hselasky
commented
5 years ago Can you dump memory regularly using "vmstat -m" and "vmstat -z" and try to locate the leak?
Closed zeising closed 5 years ago
hselasky
commented
5 years ago Can you dump memory regularly using "vmstat -m" and "vmstat -z" and try to locate the leak?
lantw44
commented
5 years ago I rebooted the computer to load i915kms.ko from drm-fbsd12.0-kmod in order to test. Can you tell me how should I use the output of vmstat -m and vmstate -z? There isn't an item taking more than 200 MiB, and the sum of all items are also low. Wired memory keeps increasing and it is now 6892 MiB. The sum of vmstat -m is 177 MiB and the sum of vmstat -z is 496 MiB.
hselasky
commented
5 years ago @johalun : Are we sure r349014 has nothing to do with this? https://svnweb.freebsd.org/changeset/base/349014
@lantw44: Are you using 12.0-release or 12-stable kernel? If 12.0-release, please use a newer kernel. Several known issues have been fixed since 12.0-release.
lantw44
commented
5 years ago I am using 12.0-RELEASE-p6, and I am downloading the source of STABLE now.
hselasky
commented
5 years ago Make sure you put the FreeBSD sources in /usr/src and re-build the drm port from ports.
johalun
commented
5 years ago @hselasky It might be if we have this problem on stable/12. Hmm, have to think.. It should only wire the pages for linuxkpi >= 50001, right? For 4.16, linuxkpi is not defined.
#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION == 50000
#define __GFP_NOTWIRED (1U << 25)
#endifshould be
#if !defined(LINUXKPI_VERSION) || (defined(LINUXKPI_VERSION) && LINUXKPI_VERSION < 50001)
#define __GFP_NOTWIRED (1U << 25)
#endifBut how will this affect for example the mellanox drivers etc that don't declare a linuxkpi version?
lantw44
commented
5 years ago I rebooted the system to 12.0-STABLE r349597 today. drm-fbsd12.0-kmod is rebuilt with the new source in /usr/src. Wired memory seems to keep going up, currently at 4191 MiB with 3 hours uptime.
$ vmstat -m --libxo json | jq -C '."malloc-statistics".memory | map(."memory-use") | add / 1024'
175.3740234375
$ vmstat -z --libxo json | jq -C '."memory-zone-statistics".zone | map(.size * .used) | add / 1024 / 1024'
522.3352317810059There are a few things in vmstat -z which seems to increase over the time, such as 'RADIX NODE', 'L VFS Cache', 'KNOTE', 'hostcache', but I guess they are probably unrelated.
hselasky
commented
5 years ago @lantw44: Can you try to revert: https://svnweb.freebsd.org/changeset/base/349014
After that rebuild new kernel and drm-fbsd12.0-kmod ?
hselasky
commented
5 years ago @hselasky It might be if we have this problem on stable/12. Hmm, have to think.. It should only wire the pages for linuxkpi >= 50001, right? For 4.16, linuxkpi is not defined.
#if defined(LINUXKPI_VERSION) && LINUXKPI_VERSION == 50000 #define __GFP_NOTWIRED (1U << 25) #endifshould be
#if !defined(LINUXKPI_VERSION) || (defined(LINUXKPI_VERSION) && LINUXKPI_VERSION < 50001) #define __GFP_NOTWIRED (1U << 25) #endifBut how will this affect for example the mellanox drivers etc that don't declare a linuxkpi version?
I think this is fine, but there is a missing ifdef in the code.
hselasky
commented
5 years ago Hi, Can you try this: kldload dtraceall chmod +x ./alloctrace.d ./alloctrace.d
Then do some graphics work 2-3 mins.
Then CTRL+C the alloctrace.d (attached) and post the output here. Thank you! --HPS alloctrace.txt
lantw44
commented
5 years ago I let alloctrace.d run for a hour, but it still show nothing. This is FreeBSD 12.0-STABLE r349632 with r349014 reverted.
lantw44
commented
5 years ago It seems that using a different kernel doesn't change things:
$ top -b 0
last pid: 53094; load averages: 0.43, 0.72, 0.79 up 0+21:01:58 14:41:30
83 processes: 1 running, 82 sleeping
CPU: 5.9% user, 1.1% nice, 1.6% system, 0.1% interrupt, 91.3% idle
Mem: 151M Active, 486M Inact, 3356K Laundry, 10G Wired, 1455M Buf, 4627M Free
ARC: 95M Total, 24M MFU, 15M MRU, 32K Anon, 594K Header, 56M Other
5121K Compressed, 22M Uncompressed, 4.38:1 Ratio
Swap: 8192M Total, 443M Used, 7748M Free, 5% Inuse
$ vmstat -m --libxo json | jq -C '."malloc-statistics".memory | map(."memory-use") | add / 1024'
184.53515625
$ vmstat -z --libxo json | jq -C '."memory-zone-statistics".zone | map(.size * .used) | add / 1024 / 1024'
579.8569030761719Try this new alloctrace.txt instead. alloctrace.txt
lantw44
commented
5 years ago vm_page_free hald 2
vm_page_free ibus-extension-gtk3 4
vm_page_free pulseaudio 4
vm_page_free ibus-daemon 8
vm_page_free dbus-daemon 11
vm_page_free bufdaemon 12
vm_page_free init 28
vm_page_free cron 67
vm_page_free unlink 76
vm_page_free sysctl 78
vm_page_free dd 91
vm_page_free sh 228
vm_page_free cam 488
vm_page_free mv 525
vm_page_free gnome-terminal-serv 526
vm_page_free evolution 2193
vm_page_free gnome-shell 2234
vm_page_free WebKitNetworkProces 9432
vm_page_free Xorg 10282
vm_page_free kernel 105323
vm_page_free pagedaemon 113705
vm_page_free WebKitWebProcess 153206
vm_page_free epiphany 467647
vm_page_alloc gvfsd 1
vm_page_alloc screen 1
vm_page_alloc sudo 1
vm_page_alloc top 1
vm_page_alloc upowerd 1
vm_page_alloc ibus-engine-simple 3
vm_page_alloc pulseaudio 8
vm_page_alloc ibus-extension-gtk3 9
vm_page_alloc ibus-daemon 66
vm_page_alloc unlink 74
vm_page_alloc sysctl 78
vm_page_alloc dtrace 88
vm_page_alloc dd 90
vm_page_alloc cron 95
vm_page_alloc bufdaemon 104
vm_page_alloc syncer 200
vm_page_alloc sh 388
vm_page_alloc gnome-terminal-serv 460
vm_page_alloc mv 518
vm_page_alloc gnome-shell 1231
vm_page_alloc evolution 1890
vm_page_alloc Xorg 8815
vm_page_alloc WebKitNetworkProces 13008
vm_page_alloc epiphany 27895
vm_page_alloc WebKitWebProcess 598372
vm_page_wire kgpg 12
vm_page_wire WebKitWebProcess 24
vm_page_wire WebKitNetworkProces 85
vm_page_wire top 2169
vm_page_unwire kgpg 12
vm_page_unwire WebKitWebProcess 20
vm_page_unwire WebKitNetworkProces 85
vm_page_unwire gnome-shell 1400
vm_page_unwire Xorg 1806
vm_page_unwire top 2169
vm_page_unwire pagedaemon 11846
vm_page_unwire kernel 119273Looks good, but can you run this script for some longer time?
lantw44
commented
5 years ago The result of running for 2 hours and 40 minutes.
vm_page_free ibus-x11 1
vm_page_free tracker-miner-apps 1
vm_page_free gsd-printer 2
vm_page_free gvfsd-network 3
vm_page_free gvfsd-http 4
vm_page_free gsd-xsettings 5
vm_page_free colord 6
vm_page_free gsd-sound 7
vm_page_free evolution-source-re 8
vm_page_free syncer 8
vm_page_free syslogd 8
vm_page_free local-unbound 10
vm_page_free accounts-daemon 11
vm_page_free dtrace 16
vm_page_free goa-daemon 18
vm_page_free gvfsd 24
vm_page_free gvfsd-trash 31
vm_page_free gsd-power 36
vm_page_free hald 56
vm_page_free gsd-media-keys 68
vm_page_free evolution-alarm-not 70
vm_page_free gen-features 80
vm_page_free output.exe 80
vm_page_free md5 87
vm_page_free fourcc_gen 89
vm_page_free od 94
vm_page_free whoami 111
vm_page_free indexinfo 131
vm_page_free zeitgeist-datahub 131
vm_page_free gnome-shell-calenda 138
vm_page_free sanitycheckc.exe 152
vm_page_free ibus-extension-gtk3 161
vm_page_free mutter-restart-help 168
vm_page_free iasl 170
vm_page_free strings 170
vm_page_free console-kit-daemon 175
vm_page_free desktop-file-valida 177
vm_page_free gnome-keyring-daemo 188
vm_page_free ibus-engine-simple 195
vm_page_free gcr-ssh-askpass 197
vm_page_free gperf 201
vm_page_free gnome-software 206
vm_page_free pcmanx 213
vm_page_free ldd 228
vm_page_free xfconfd 228
vm_page_free polkitd 236
vm_page_free top 253
vm_page_free mt 255
vm_page_free evolution-calendar- 266
vm_page_free bsdcpio 269
vm_page_free gm4 292
vm_page_free bison 348
vm_page_free ssh-add 353
vm_page_free kconfig_compiler_kf 373
vm_page_free protoc 387
vm_page_free install-info 388
vm_page_free init 420
vm_page_free newsyslog 435
vm_page_free update-desktop-data 466
vm_page_free sleep 468
vm_page_free m4 478
vm_page_free gedit 492
vm_page_free qmake 524
vm_page_free sshd 557
vm_page_free gnome-session-binar 599
vm_page_free tail 603
vm_page_free bufdaemon 604
vm_page_free fmt 680
vm_page_free echo 711
vm_page_free info 741
vm_page_free head 758
vm_page_free msgmerge 793
vm_page_free gsd-color 872
vm_page_free gio-launch-desktop 950
vm_page_free flex 964
vm_page_free docker 1093
vm_page_free fgrep 1096
vm_page_free rcc 1119
vm_page_free dbus-daemon-launch- 1176
vm_page_free gtk-update-icon-cac 1178
vm_page_free diff 1182
vm_page_free wayland-scanner 1212
vm_page_free kenv 1385
vm_page_free sendmail 1428
vm_page_free pkg 1490
vm_page_free chown 1497
vm_page_free desktoptojson 1508
vm_page_free ssh 1509
vm_page_free mtree 1521
vm_page_free dbus-daemon 1940
vm_page_free msgexec 1971
vm_page_free xgettext 2160
vm_page_free xfce4-notifyd 2356
vm_page_free stty 2471
vm_page_free gvfsd-metadata 2488
vm_page_free tty 2502
vm_page_free atrun 2635
vm_page_free ps 2652
vm_page_free conftest 2672
vm_page_free qdbusxml2cpp 2692
vm_page_free unlink 2728
vm_page_free sha256 2852
vm_page_free date 2866
vm_page_free stat 2964
vm_page_free readelf 3197
vm_page_free ibus-daemon 3301
vm_page_free ldapwhoami 3476
vm_page_free cron 3550
vm_page_free fetch 3808
vm_page_free libgtop_server2 3997
vm_page_free highlight 4044
vm_page_free hostname 4131
vm_page_free sudo 4247
vm_page_free geoclue 4478
vm_page_free sysctl 4764
vm_page_free wc 4908
vm_page_free luac52 5335
vm_page_free ldconfig 5405
vm_page_free xkbcomp 5461
vm_page_free svn 5584
vm_page_free less 5594
vm_page_free dialog4ports 5670
vm_page_free patch 5677
vm_page_free dd 5941
vm_page_free glib-compile-schema 5951
vm_page_free xargs 6364
vm_page_free mktemp 6762
vm_page_free rmdir 6857
vm_page_free tput 7093
vm_page_free touch 7144
vm_page_free ar 7191
vm_page_free exctags 7677
vm_page_free tig 8553
vm_page_free dconf-service 10068
vm_page_free uic 10324
vm_page_free cut 10830
vm_page_free true 11562
vm_page_free ranlib 12489
vm_page_free uname 16506
vm_page_free ninja 16847
vm_page_free chmod 17087
vm_page_free vlc-cache-gen 17484
vm_page_free which 18160
vm_page_free WebKitNetworkProces 18317
vm_page_free realpath 19865
vm_page_free ls 20481
vm_page_free glib-compile-resour 20969
vm_page_free gzip 22646
vm_page_free screen 23266
vm_page_free cargo 24131
vm_page_free gconftool-2 27648
vm_page_free readlink 29438
vm_page_free bsdtar 29646
vm_page_free find 30486
vm_page_free cmp 32286
vm_page_free tr 39058
vm_page_free update-mime-databas 43016
vm_page_free ln 44240
vm_page_free uniq 63092
vm_page_free expr 64202
vm_page_free nice 64575
vm_page_free env 66856
vm_page_free awk 67206
vm_page_free cpp 71874
vm_page_free cam 75576
vm_page_free id 80983
vm_page_free egrep 84383
vm_page_free basename 84573
vm_page_free sort 87437
vm_page_free vim 98639
vm_page_free pkgconf 98835
vm_page_free nm 98933
vm_page_free gnome-terminal-serv 110853
vm_page_free dirname 120610
vm_page_free install 139942
vm_page_free cmake 142075
vm_page_free cp 143137
vm_page_free file 145855
vm_page_free gjs-console 167361
vm_page_free geom 206552
vm_page_free grep 210722
vm_page_free git 233735
vm_page_free gdb83 234956
vm_page_free xsltproc 237557
vm_page_free cat 238117
vm_page_free python2.7 239619
vm_page_free gmake 260041
vm_page_free Xorg 264504
vm_page_free xmllint 339268
vm_page_free moc 349277
vm_page_free make 350813
vm_page_free mkdir 363263
vm_page_free mv 425635
vm_page_free perl 474645
vm_page_free strip 569706
vm_page_free evolution 638149
vm_page_free gnome-shell 886720
vm_page_free WebKitWebProcess 923506
vm_page_free python3.6 1031099
vm_page_free msgfmt 1047748
vm_page_free pkg-static 1131731
vm_page_free bash 1275320
vm_page_free pagedaemon 1502502
vm_page_free rm 1597039
vm_page_free meinproc5 1806594
vm_page_free ld.lld 1819335
vm_page_free sed 4231725
vm_page_free epiphany 4336864
vm_page_free c++ 4789963
vm_page_free kernel 6102665
vm_page_free sh 6465001
vm_page_free ld.bfd 8278404
vm_page_free cc 41582489
vm_page_alloc ibus-engine-chewing 1
vm_page_alloc upowerd 2
vm_page_alloc gdm 3
vm_page_alloc zeitgeist-daemon 4
vm_page_alloc gsd-clipboard 5
vm_page_alloc ibus-portal 6
vm_page_alloc gsd-housekeeping 10
vm_page_alloc gsd-print-notificat 10
vm_page_alloc gsd-sharing 11
vm_page_alloc ssh-agent 11
vm_page_alloc at-spi2-registryd 12
vm_page_alloc colord 15
vm_page_alloc gsd-keyboard 15
vm_page_alloc gvfs-goa-volume-mon 15
vm_page_alloc syslogd 16
vm_page_alloc gvfsd 18
vm_page_alloc accounts-daemon 19
vm_page_alloc gsd-datetime 19
vm_page_alloc gvfsd-network 20
vm_page_alloc gsd-a11y-settings 21
vm_page_alloc gsd-screensaver-pro 22
vm_page_alloc gsd-smartcard 22
vm_page_alloc evolution-alarm-not 23
vm_page_alloc gvfs-gphoto2-volume 24
vm_page_alloc gsd-mouse 25
vm_page_alloc gvfsd-http 25
vm_page_alloc kgpg 30
vm_page_alloc gvfs-mtp-volume-mon 32
vm_page_alloc local-unbound 34
vm_page_alloc gvfs-afc-volume-mon 35
vm_page_alloc evolution-addressbo 37
vm_page_alloc gsd-dummy 39
vm_page_alloc ibus-engine-simple 47
vm_page_alloc tracker-miner-apps 48
vm_page_alloc gvfsd-trash 53
vm_page_alloc gsd-xsettings 55
vm_page_alloc mission-control-5 62
vm_page_alloc evolution-source-re 74
vm_page_alloc gsd-power 74
vm_page_alloc gen-features 78
vm_page_alloc output.exe 79
vm_page_alloc gsd-media-keys 81
vm_page_alloc hald 82
vm_page_alloc md5 86
vm_page_alloc fourcc_gen 87
vm_page_alloc goa-daemon 91
vm_page_alloc od 92
vm_page_alloc gsd-sound 94
vm_page_alloc evolution-calendar- 110
vm_page_alloc whoami 110
vm_page_alloc indexinfo 129
vm_page_alloc gsd-color 133
vm_page_alloc sanitycheckc.exe 148
vm_page_alloc mutter-restart-help 168
vm_page_alloc strings 168
vm_page_alloc gnome-shell-calenda 172
vm_page_alloc console-kit-daemon 175
vm_page_alloc desktop-file-valida 176
vm_page_alloc zeitgeist-datahub 176
vm_page_alloc dtrace 178
vm_page_alloc iasl 180
vm_page_alloc ibus-extension-gtk3 184
vm_page_alloc gnome-software 189
vm_page_alloc gcr-ssh-askpass 199
vm_page_alloc gperf 201
vm_page_alloc xfconfd 231
vm_page_alloc top 250
vm_page_alloc mt 251
vm_page_alloc gsd-printer 259
vm_page_alloc bsdcpio 268
vm_page_alloc pcmanx 270
vm_page_alloc ldd 275
vm_page_alloc gm4 280
vm_page_alloc gnome-keyring-daemo 369
vm_page_alloc install-info 383
vm_page_alloc kconfig_compiler_kf 383
vm_page_alloc ssh-add 399
vm_page_alloc bison 411
vm_page_alloc newsyslog 435
vm_page_alloc update-desktop-data 441
vm_page_alloc m4 447
vm_page_alloc sleep 456
vm_page_alloc protoc 520
vm_page_alloc qmake 558
vm_page_alloc tail 596
vm_page_alloc fmt 662
vm_page_alloc echo 697
vm_page_alloc polkitd 720
vm_page_alloc head 746
vm_page_alloc info 758
vm_page_alloc msgmerge 791
vm_page_alloc gnome-session-binar 849
vm_page_alloc fgrep 1060
vm_page_alloc gio-launch-desktop 1073
vm_page_alloc rcc 1135
vm_page_alloc diff 1160
vm_page_alloc flex 1162
vm_page_alloc wayland-scanner 1206
vm_page_alloc gtk-update-icon-cac 1217
vm_page_alloc dbus-daemon-launch- 1262
vm_page_alloc kenv 1355
vm_page_alloc docker 1379
vm_page_alloc chown 1481
vm_page_alloc mtree 1503
vm_page_alloc sshd 1509
vm_page_alloc desktoptojson 1564
vm_page_alloc pkg 1617
vm_page_alloc sendmail 1718
vm_page_alloc xgettext 2187
vm_page_alloc dbus-daemon 2328
vm_page_alloc xfce4-notifyd 2433
vm_page_alloc stty 2450
vm_page_alloc tty 2480
vm_page_alloc ssh 2509
vm_page_alloc atrun 2604
vm_page_alloc conftest 2639
vm_page_alloc unlink 2651
vm_page_alloc ps 2670
vm_page_alloc qdbusxml2cpp 2754
vm_page_alloc sha256 2822
vm_page_alloc date 2823
vm_page_alloc stat 2937
vm_page_alloc gvfsd-metadata 3124
vm_page_alloc ibus-daemon 3402
vm_page_alloc readelf 3425
vm_page_alloc ldapwhoami 3509
vm_page_alloc fetch 3816
vm_page_alloc highlight 4079
vm_page_alloc hostname 4081
vm_page_alloc libgtop_server2 4191
vm_page_alloc sudo 4604
vm_page_alloc geoclue 4644
vm_page_alloc sysctl 4754
vm_page_alloc cron 4791
vm_page_alloc wc 4885
vm_page_alloc luac52 5268
vm_page_alloc xkbcomp 5467
vm_page_alloc patch 5519
vm_page_alloc less 5586
vm_page_alloc svn 5630
vm_page_alloc dialog4ports 5635
vm_page_alloc glib-compile-schema 5746
vm_page_alloc dd 5870
vm_page_alloc ldconfig 5874
vm_page_alloc mktemp 6665
vm_page_alloc rmdir 6683
vm_page_alloc touch 6959
vm_page_alloc tput 6990
vm_page_alloc ar 7231
vm_page_alloc xargs 7501
vm_page_alloc exctags 7565
vm_page_alloc ranlib 8677
vm_page_alloc gedit 9394
vm_page_alloc dconf-service 9584
vm_page_alloc uic 10526
vm_page_alloc cut 10601
vm_page_alloc tig 11096
vm_page_alloc true 11255
vm_page_alloc uname 16342
vm_page_alloc chmod 16708
vm_page_alloc syncer 17704
vm_page_alloc which 17880
vm_page_alloc vlc-cache-gen 18556
vm_page_alloc bufdaemon 19688
vm_page_alloc realpath 19748
vm_page_alloc ls 20347
vm_page_alloc gzip 21862
vm_page_alloc gconftool-2 22392
vm_page_alloc glib-compile-resour 23515
vm_page_alloc msgexec 23624
vm_page_alloc cargo 24277
vm_page_alloc ninja 26587
vm_page_alloc screen 27666
vm_page_alloc readlink 29177
vm_page_alloc bsdtar 29713
vm_page_alloc cmp 31585
vm_page_alloc find 34693
vm_page_alloc WebKitNetworkProces 36033
vm_page_alloc tr 38288
vm_page_alloc ln 43078
vm_page_alloc cp 49388
vm_page_alloc update-mime-databas 57483
vm_page_alloc uniq 60943
vm_page_alloc expr 63325
vm_page_alloc awk 65295
vm_page_alloc cpp 71720
vm_page_alloc nice 72321
vm_page_alloc env 75542
vm_page_alloc id 80842
vm_page_alloc egrep 82923
vm_page_alloc basename 83694
vm_page_alloc sort 85762
vm_page_alloc nm 97666
vm_page_alloc pkgconf 97788
vm_page_alloc vim 109273
vm_page_alloc gjs-console 114283
vm_page_alloc gnome-terminal-serv 114861
vm_page_alloc dirname 119436
vm_page_alloc install 136843
vm_page_alloc epiphany 146601
vm_page_alloc file 147086
vm_page_alloc Xorg 193582
vm_page_alloc cmake 204052
vm_page_alloc grep 206877
vm_page_alloc strip 228062
vm_page_alloc cat 231680
vm_page_alloc gdb83 237101
vm_page_alloc git 237725
vm_page_alloc xsltproc 238008
vm_page_alloc python2.7 240295
vm_page_alloc xmllint 339512
vm_page_alloc moc 350007
vm_page_alloc mkdir 353864
vm_page_alloc rm 408211
vm_page_alloc mv 412285
vm_page_alloc make 414945
vm_page_alloc perl 472776
vm_page_alloc gmake 494942
vm_page_alloc evolution 566919
vm_page_alloc gnome-shell 621796
vm_page_alloc msgfmt 1047093
vm_page_alloc pkg-static 1162308
vm_page_alloc python3.6 1224456
vm_page_alloc bash 1555856
vm_page_alloc ld.lld 1782916
vm_page_alloc meinproc5 1814389
vm_page_alloc sed 4146530
vm_page_alloc c++ 4795293
vm_page_alloc WebKitWebProcess 5444934
vm_page_alloc ld.bfd 8269154
vm_page_alloc sh 10360274
vm_page_alloc cc 41541862
vm_page_wire pkg 1
vm_page_wire gcr-ssh-askpass 4
vm_page_wire gsd-sound 4
vm_page_wire goa-daemon 6
vm_page_wire fetch 11
vm_page_wire svn 15
vm_page_wire gjs-console 20
vm_page_wire gnome-keyring-daemo 20
vm_page_wire evolution 36
vm_page_wire sudo 38
vm_page_wire gnome-shell 53
vm_page_wire polkitd 78
vm_page_wire console-kit-daemon 81
vm_page_wire WebKitWebProcess 172
vm_page_wire ps 578
vm_page_wire libgtop_server2 830
vm_page_wire WebKitNetworkProces 942
vm_page_wire kgpg 1886
vm_page_wire pkg-static 3805
vm_page_wire top 383171
vm_page_unwire pkg 1
vm_page_unwire gcr-ssh-askpass 4
vm_page_unwire gsd-sound 4
vm_page_unwire goa-daemon 6
vm_page_unwire fetch 11
vm_page_unwire svn 15
vm_page_unwire gjs-console 20
vm_page_unwire gnome-keyring-daemo 20
vm_page_unwire evolution 36
vm_page_unwire sudo 38
vm_page_unwire polkitd 78
vm_page_unwire console-kit-daemon 81
vm_page_unwire WebKitWebProcess 180
vm_page_unwire ps 578
vm_page_unwire libgtop_server2 830
vm_page_unwire WebKitNetworkProces 942
vm_page_unwire kgpg 1886
vm_page_unwire pkg-static 3805
vm_page_unwire gnome-shell 4353
vm_page_unwire Xorg 62391
vm_page_unwire pagedaemon 214267
vm_page_unwire top 383171
vm_page_unwire kernel 6284179
kostikbel
commented
5 years ago I suggest you to collect backtraces with count for each unique backtrace, in vm_page_wire(). The offender should stay out from such statistics.
markjdb
commented
5 years ago The following script will grab the stacks:
sudo dtrace -w -n 'BEGIN, END{system("sysctl vm.stats.vm.v_wire_count");} fbt::vm_page_alloc:entry /args[2] & 0x20/{@allocs[stack()] = count();} fbt::vm_page_wire:entry {@allocs[stack()] = count();} tick-600s {exit(0);}'It will collect stacks and exit automatically after 10m. Please paste the output here.
lantw44
commented
5 years ago dtrace: description 'BEGIN, END' matched 5 probes
dtrace: allowing destructive actions
CPU ID FUNCTION:NAME
0 1 :BEGIN vm.stats.vm.v_wire_count: 679403
0 85654 :tick-600s
2 2 :END vm.stats.vm.v_wire_count: 836952
kernel`get_pv_entry+0x5e
kernel`pmap_pv_insert_pde+0x2e
kernel`pmap_enter_pde+0x4d2
kernel`pmap_enter_object+0x1e6
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
kernel`shm_mmap+0x155
kernel`kern_mmap+0x451
kernel`sys_mmap+0x2a
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`uiomove_faultflag+0xcd
kernel`pipe_write+0x952
kernel`dofilewrite+0xb0
kernel`sys_write+0xc1
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`uiomove_faultflag+0xee
kernel`soreceive_generic+0x9ee
kernel`soreceive+0x44
kernel`kern_recvit+0x1be
kernel`sys_recvmsg+0x6f
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`uiomove_fromphys+0x11e
kernel`pipe_read+0x33e
kernel`dofileread+0x95
kernel`sys_read+0xc1
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
linux.ko`0xffffffff834cffdb
kernel`devfs_ioctl+0xac
kernel`VOP_IOCTL_APV+0x7c
kernel`vn_ioctl+0x161
kernel`devfs_ioctl_f+0x1f
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0xf40
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
linuxkpi.ko`linux_copyin+0x33
i915kms.ko`i915_gem_object_pwrite_gtt+0xb3
i915kms.ko`i915_gem_pwrite_ioctl+0xc4
drm.ko`drm_ioctl_kernel+0xf6
drm.ko`drm_ioctl+0x281
linuxkpi.ko`linux_file_ioctl+0x298
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`allocbuf+0x6cb
kernel`getblkx+0x5c4
kernel`getblk+0x15
kernel`ffs_balloc_ufs2+0x763
kernel`ufs_mkdir+0x6b4
kernel`VOP_MKDIR_APV+0x7c
kernel`kern_mkdirat+0x1bf
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`pmap_demote_pde_locked+0x5c2
kernel`pmap_enter+0x390
kernel`vm_fault_hold+0xf40
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
1
kernel`pmap_demote_pde_locked+0x5c2
kernel`pmap_remove+0x375
kernel`vm_map_delete+0x15d
kernel`kern_munmap+0x87
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x338
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
2
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x2e8
kernel`_pmap_allocpte+0x338
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
2
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`kern_getfsstat+0x41c
kernel`sys_getfsstat+0x22
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
2
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0xf40
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
linuxkpi.ko`linux_copyin+0x33
i915kms.ko`i915_gem_pwrite_ioctl+0x40d
drm.ko`drm_ioctl_kernel+0xf6
drm.ko`drm_ioctl+0x281
linuxkpi.ko`linux_file_ioctl+0x298
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
2
kernel`get_pv_entry+0x5e
kernel`pmap_pv_insert_pde+0x2e
kernel`pmap_copy+0x202
kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
4
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`kern_getfsstat+0x41c
kernel`sys_getfsstat+0x22
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
4
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`elf64_load_file+0x236
kernel`exec_elf64_imgact+0x1128
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
5
kernel`vm_fault_hold+0x1dff
kernel`vm_fault+0x60
kernel`vm_map_wire+0x4bf
kernel`vslock+0x6f
kernel`sysctl_wire_old_buffer+0x4a
kernel`sysctl_kern_proc+0x6e
kernel`sysctl_root_handler_locked+0x8b
kernel`sysctl_root+0x24c
kernel`userland_sysctl+0x17a
kernel`sys___sysctl+0x5f
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
6
kernel`allocbuf+0x6cb
kernel`getblkx+0x5c4
kernel`breadn_flags+0x3d
kernel`ffs_open_ea+0x22b
kernel`ffs_getextattr+0x63
kernel`VOP_GETEXTATTR_APV+0x7c
kernel`vn_extattr_get+0xf6
kernel`ufs_getacl+0x142
kernel`VOP_GETACL_APV+0x7c
kernel`ufs_accessx+0x107
kernel`VOP_ACCESSX_APV+0x76
kernel`vop_stdaccess+0x3b
kernel`VOP_ACCESS_APV+0x76
kernel`vn_open_vnode+0x10e
kernel`vn_open_cred+0x335
kernel`kern_openat+0x212
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
6
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_disk_io_initiation+0x7ab
kernel`ffs_geom_strategy+0x198
kernel`ufs_strategy+0x83
kernel`VOP_STRATEGY_APV+0x7c
kernel`bufstrategy+0x2c
kernel`bufwrite+0x202
kernel`cluster_wbuild+0x54b
kernel`cluster_write+0x5ba
kernel`ffs_write+0x3dd
kernel`VOP_WRITE_APV+0xec
kernel`vn_write+0x237
kernel`vn_io_fault_doio+0x43
kernel`vn_io_fault1+0x16a
kernel`vn_io_fault+0x18f
kernel`dofilewrite+0xb0
kernel`sys_write+0xc1
kernel`amd64_syscall+0x364
8
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_disk_io_initiation+0x24a
kernel`ffs_geom_strategy+0xc6
kernel`ufs_strategy+0x83
kernel`VOP_STRATEGY_APV+0x7c
kernel`bufstrategy+0x2c
kernel`bufwrite+0x202
kernel`ffs_syncvnode+0x32b
kernel`ffs_fsync+0x22
kernel`VOP_FSYNC_APV+0x7c
kernel`sched_sync+0x379
kernel`fork_exit+0x82
kernel`0xffffffff8107a48e
8
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`uiomove_faultflag+0xee
kernel`ufs_readdir+0x2d7
kernel`VOP_READDIR_APV+0x7c
kernel`kern_getdirentries+0x201
kernel`sys_getdirentries+0x29
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
10
kernel`pmap_demote_pde_locked+0x3ce
kernel`pmap_remove+0x375
kernel`vm_map_delete+0x15d
kernel`kern_munmap+0x87
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
13
kernel`pmap_pinit_type+0x268
kernel`pmap_pinit+0x10
kernel`vmspace_exec+0x48
kernel`exec_new_vmspace+0x1fd
kernel`exec_elf64_imgact+0xae6
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
14
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x389
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
14
kernel`pmap_pinit_type+0x31
kernel`pmap_pinit+0x10
kernel`vmspace_exec+0x48
kernel`exec_new_vmspace+0x1fd
kernel`exec_elf64_imgact+0xae6
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
14
kernel`pmap_demote_pde_locked+0x5c2
kernel`pmap_advise+0x1a3
kernel`vm_map_madvise+0x321
kernel`sys_madvise+0x79
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
27
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x389
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
29
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault_quick_hold_pages+0x159
kernel`vn_io_fault1+0x275
kernel`vn_io_fault+0x18f
kernel`dofileread+0x95
kernel`sys_read+0xc1
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
31
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_sync_buf+0x4ea
kernel`ffs_syncvnode+0x26f
kernel`ffs_fsync+0x22
kernel`VOP_FSYNC_APV+0x7c
kernel`kern_fsync+0x193
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
32
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_sync_buf+0xef
kernel`ffs_syncvnode+0x26f
kernel`ffs_fsync+0x22
kernel`VOP_FSYNC_APV+0x7c
kernel`kern_fsync+0x193
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
32
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_sync_buf+0xef
kernel`ffs_syncvnode+0x26f
kernel`VOP_FDATASYNC_APV+0x7c
kernel`kern_fsync+0x1ea
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
32
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
linuxkpi.ko`linux_file_mmap+0x67f
kernel`kern_mmap+0x451
kernel`sys_mmap+0x2a
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
33
kernel`get_pv_entry+0x5e
kernel`pmap_pv_insert_pde+0x2e
kernel`pmap_copy+0x202
kernel`vmspace_fork+0xecc
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
36
kernel`pmap_demote_pde_locked+0x3ce
kernel`pmap_enter+0x390
kernel`vm_fault_hold+0xf40
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
39
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_quick+0x5d
kernel`vm_fault_prefault+0x1eb
kernel`vm_fault_hold+0x1c67
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
44
kernel`pmap_demote_pde_locked+0x5c2
kernel`pmap_enter+0x390
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
45
kernel`pmap_demote_pde_locked+0x5c2
kernel`pmap_change_attr_locked+0x31f
kernel`pmap_page_set_memattr+0x5a
i915kms.ko`i915_gem_mmap_ioctl+0x1ed
drm.ko`drm_ioctl_kernel+0xf6
drm.ko`drm_ioctl+0x281
linuxkpi.ko`linux_file_ioctl+0x298
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
80
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault_quick_hold_pages+0x159
kernel`vn_io_fault1+0x275
kernel`vn_io_fault+0x18f
kernel`dofileread+0x95
kernel`sys_read+0xc1
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
116
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_disk_io_initiation+0x7ab
kernel`ffs_geom_strategy+0x198
kernel`ufs_strategy+0x83
kernel`VOP_STRATEGY_APV+0x7c
kernel`bufstrategy+0x2c
kernel`bufwrite+0x202
kernel`cluster_wbuild+0x54b
kernel`cluster_write+0x126
kernel`ffs_write+0x3dd
kernel`VOP_WRITE_APV+0xec
kernel`vn_write+0x237
kernel`vn_io_fault_doio+0x43
kernel`vn_io_fault1+0x16a
kernel`vn_io_fault+0x18f
kernel`dofilewrite+0xb0
kernel`sys_write+0xc1
kernel`amd64_syscall+0x364
120
kernel`vm_fault_hold+0x1dff
kernel`vm_fault+0x60
kernel`vm_map_wire+0x4bf
kernel`kern_mlock+0x216
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
124
kernel`pmap_demote_pde_locked+0x3ce
kernel`pmap_enter+0x390
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
133
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_disk_io_initiation+0x7ab
kernel`ffs_geom_strategy+0x198
kernel`ufs_strategy+0x83
kernel`VOP_STRATEGY_APV+0x7c
kernel`bufstrategy+0x2c
kernel`bufwrite+0x202
kernel`cluster_wbuild+0x54b
kernel`cluster_write+0x436
kernel`ffs_write+0x3dd
kernel`VOP_WRITE_APV+0xec
kernel`vn_write+0x237
kernel`vn_io_fault_doio+0x43
kernel`vn_io_fault1+0x16a
kernel`vn_io_fault+0x18f
kernel`dofilewrite+0xb0
kernel`sys_write+0xc1
kernel`amd64_syscall+0x364
144
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`flush_deplist+0x80
kernel`softdep_sync_metadata+0x2cc
kernel`ffs_syncvnode+0x4a
kernel`ffs_fsync+0x22
kernel`VOP_FSYNC_APV+0x7c
kernel`kern_fsync+0x193
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
184
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
kernel`vn_mmap+0x157
kernel`kern_mmap+0x451
kernel`sys_mmap+0x2a
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
201
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
kernel`vn_mmap+0x157
kernel`kern_mmap+0x451
kernel`sys_mmap+0x2a
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
204
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x338
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`exec_elf64_imgact+0xc36
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
264
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x338
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`exec_copyout_strings+0x84
kernel`kern_execve+0xd06
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
264
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x389
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`elf64_load_file+0x236
kernel`exec_elf64_imgact+0x1128
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
264
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`elf64_load_file+0x236
kernel`exec_elf64_imgact+0x1128
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
264
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x2e8
kernel`_pmap_allocpte+0x338
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`exec_elf64_imgact+0xc36
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
264
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kernel`_pmap_allocpte+0xa3
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kernel`0xffffffff81079d7d
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`flush_deplist+0x80
kernel`softdep_sync_metadata+0x2cc
kernel`ffs_syncvnode+0x4a
kernel`VOP_FDATASYNC_APV+0x7c
kernel`kern_fsync+0x1ea
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kernel`0xffffffff81079d7d
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_update_inodeblock+0x181
kernel`ffs_update+0x1ba
kernel`ffs_truncate+0x511
kernel`ufs_setattr+0x70b
kernel`VOP_SETATTR_APV+0x76
kernel`vn_truncate+0x193
kernel`kern_ftruncate+0xb7
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
288
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`exec_elf64_imgact+0xc36
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
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kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`elf64_map_insert+0x2cd
kernel`elf64_load_sections+0x134
kernel`exec_elf64_imgact+0xc36
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
336
kernel`pmap_pinit_type+0x268
kernel`pmap_pinit+0x10
kernel`vmspace_fork+0x46
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
413
kernel`pmap_pinit_type+0x31
kernel`pmap_pinit+0x10
kernel`vmspace_fork+0x46
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
413
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x389
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xecc
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
429
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
kernel`cpu_set_upcall+0x129
kernel`thr_new_initthr+0xbc
kernel`thread_create+0x1be
kernel`sys_thr_new+0xd2
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
442
kernel`vm_fault_hold+0x1dff
kernel`vm_fault+0x60
kernel`vm_map_wire+0x4bf
kernel`vslock+0x6f
kernel`sysctl_wire_old_buffer+0x4a
kernel`sysctl_rtsock+0x111
kernel`sysctl_root_handler_locked+0x8b
kernel`sysctl_root+0x24c
kernel`userland_sysctl+0x17a
kernel`sys___sysctl+0x5f
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
485
kernel`pmap_demote_pde_locked+0x3ce
kernel`pmap_advise+0x1a3
kernel`vm_map_madvise+0x321
kernel`sys_madvise+0x79
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
513
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x2403
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
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kernel`_pmap_allocpte+0xa3
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
660
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
kernel`shm_mmap+0x155
kernel`kern_mmap+0x451
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kernel`0xffffffff81079d7d
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kernel`_pmap_allocpte+0xa3
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kernel`pmap_copy+0x4fd
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kernel`fork1+0x35a
kernel`sys_fork+0x4c
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kernel`0xffffffff81079d7d
824
kernel`_pmap_allocpte+0xa3
kernel`_pmap_allocpte+0x2e8
kernel`_pmap_allocpte+0x338
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xecc
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
824
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
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kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
952
kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_sync_metadata+0x21a
kernel`ffs_syncvnode+0x4a
kernel`ffs_fsync+0x22
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kernel`kern_fsync+0x193
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kernel`0xffffffff81079d7d
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_sync_metadata+0x21a
kernel`ffs_syncvnode+0x4a
kernel`VOP_FDATASYNC_APV+0x7c
kernel`kern_fsync+0x1ea
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`ffs_bufwrite+0x18b
kernel`flush_deplist+0xc5
kernel`softdep_sync_metadata+0x2cc
kernel`ffs_syncvnode+0x4a
kernel`VOP_FDATASYNC_APV+0x7c
kernel`kern_fsync+0x1ea
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1744
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0xf40
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
1828
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0xf40
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`ffs_bufwrite+0x18b
kernel`vn_fsync_buf+0x280
kernel`VOP_FSYNC_APV+0x7c
kernel`sched_sync+0x379
kernel`fork_exit+0x82
kernel`0xffffffff8107a48e
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kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_quick+0x5d
kernel`vm_fault_prefault+0x1eb
kernel`vm_fault_hold+0x1f02
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
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kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
kernel`shm_mmap+0x155
kernel`kern_mmap+0x451
kernel`sys_mmap+0x2a
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kernel`0xffffffff81079d7d
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kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`vm_mmap_object+0x33d
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kernel`0xffffffff81079d7d
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`ffs_bufwrite+0x18b
kernel`flush_deplist+0xc5
kernel`softdep_sync_metadata+0x2cc
kernel`ffs_syncvnode+0x4a
kernel`ffs_fsync+0x22
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kernel`0xffffffff81079d7d
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kernel`allocbuf+0x6cb
kernel`geteblk+0x7b
kernel`softdep_process_journal+0x20b
kernel`softdep_process_worklist+0x8b
kernel`softdep_flush+0x10f
kernel`fork_exit+0x82
kernel`0xffffffff8107a48e
3552
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_enter_quick_locked+0x22b
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x2c3
kernel`vm_map_insert+0x5a6
kernel`vm_map_fixed+0x13a
kernel`vm_mmap_object+0x33d
kernel`vn_mmap+0x157
kernel`kern_mmap+0x451
kernel`sys_mmap+0x2a
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
4909
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x2403
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
5372
kernel`get_pv_entry+0x5e
kernel`pmap_enter+0x76f
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
8725
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x42b
kernel`0xffffffff81079495
10872
kernel`_pmap_allocpte+0xa3
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xecc
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
12791
kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
kernel`pmap_copy+0x56a
kernel`vmspace_fork+0xecc
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
17940
kernel`vm_fault_hold+0x1dff
kernel`vm_fault+0x60
kernel`vm_map_wire+0x4bf
kernel`vslock+0x6f
kernel`sysctl_wire_old_buffer+0x4a
kernel`sysctl_kern_proc+0xc8
kernel`sysctl_root_handler_locked+0x8b
kernel`sysctl_root+0x24c
kernel`userland_sysctl+0x17a
kernel`sys___sysctl+0x5f
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
21339If I interpret the counts correctly, you get a 'leak' of approx 150K wired pages, but the total amount of vm_page_wire() calls seems to be less than 150K by order of magnitude ?
hselasky
commented
5 years ago Maybe he needs to compile a kernel w/o optimisation. Is vm_page_wire() inlined?
kostikbel
commented
5 years ago Maybe he needs to compile a kernel w/o optimisation. Is vm_page_wire() inlined?
No, vm_page_wire() should be not inlined. But what could happen is vm_page_alloc(VM_ALLOC_WIRED), which directly assigns 1 to wire_count.
markjdb
commented
5 years ago The DTrace script I provided tracks vm_page_alloc() calls with VM_ALLOC_WIRED (0x20) set. However, we were not tracking vm_page_alloc_domain() and vm_page_alloc_domain_after(). Please try again with this script:
sudo dtrace -w -n 'BEGIN, END{system("sysctl vm.stats.vm.v_wire_count");} fbt::vm_page_alloc_domain_after:entry /args[3] & 0x20/{@allocs[stack()] = count();} fbt::vm_page_wire:entry {@allocs[stack()] = count();} tick-600s {exit(0);}'dtrace: description 'BEGIN, END' matched 5 probes
dtrace: allowing destructive actions
CPU ID FUNCTION:NAME
3 1 :BEGIN vm.stats.vm.v_wire_count: 648695
0 86046 :tick-600s
2 2 :END vm.stats.vm.v_wire_count: 750154
kernel`uma_small_alloc+0x61
kernel`keg_alloc_slab+0xdd
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`zone_alloc_item+0x54
kernel`keg_alloc_slab+0x7a
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`uma_zalloc_arg+0x3f6
kernel`uma_zfree_arg+0x32a
kernel`mb_free_ext+0xda
kernel`soreceive_generic+0xc0d
kernel`soreceive+0x44
kernel`kern_recvit+0x1be
kernel`sys_recvfrom+0x86
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
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kernel`uma_small_alloc+0x61
kernel`keg_alloc_slab+0xdd
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`zone_alloc_item+0x54
kernel`keg_alloc_slab+0x7a
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`uma_zalloc_arg+0x3f6
kernel`ufsdirhash_build+0x6f5
kernel`ufs_lookup_ino+0x183
kernel`VOP_CACHEDLOOKUP_APV+0x76
kernel`vfs_cache_lookup+0xd6
kernel`VOP_LOOKUP_APV+0x76
kernel`lookup+0x6d1
kernel`namei+0x436
kernel`vn_open_cred+0x220
kernel`kern_openat+0x212
1
kernel`uma_small_alloc+0x61
kernel`keg_alloc_slab+0xdd
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`zone_alloc_item+0x54
kernel`keg_alloc_slab+0x7a
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`uma_zalloc_arg+0x3f6
kernel`ufsdirhash_build+0x6f5
kernel`ufs_lookup_ino+0x183
kernel`VOP_CACHEDLOOKUP_APV+0x76
kernel`vfs_cache_lookup+0xd6
kernel`VOP_LOOKUP_APV+0x76
linux.ko`0xffffffff834d63f8
kernel`VOP_LOOKUP_APV+0x76
kernel`lookup+0x6d1
kernel`namei+0x436
1
kernel`uma_small_alloc+0x61
kernel`keg_alloc_slab+0xdd
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`zone_alloc_item+0x54
kernel`keg_alloc_slab+0x7a
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`uma_zalloc_arg+0x3f6
kernel`malloc+0x70
kernel`acl_alloc+0x17
kernel`ufs_accessx+0xc7
kernel`VOP_ACCESSX_APV+0x76
kernel`vop_stdaccess+0x3b
kernel`VOP_ACCESS_APV+0x76
kernel`vfs_cache_lookup+0x91
kernel`VOP_LOOKUP_APV+0x76
kernel`lookup+0x6d1
1
kernel`uma_small_alloc+0x61
kernel`keg_alloc_slab+0xdd
kernel`keg_fetch_slab+0x17d
kernel`zone_fetch_slab+0x61
kernel`zone_import+0x51
kernel`uma_zalloc_arg+0x3f6
kernel`malloc+0x70
linux.ko`0xffffffff834e1021
linux.ko`0xffffffff8351f293
linux.ko`0xffffffff834e22b2
linux.ko`0xffffffff834e31fb
linux.ko`0xffffffff8351c26f
kernel`fork1+0x1b14
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`vm_page_alloc+0x74
kernel`get_pv_entry+0x5e
kernel`pmap_pv_insert_pde+0x2e
kernel`pmap_copy+0x202
kernel`vmspace_fork+0xecc
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kernel`vm_page_alloc+0x74
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kernel`vm_map_find_min+0x4b
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kernel`uiomove_faultflag+0xee
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kernel`sys_read+0xc1
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kernel`0xffffffff81079d7d
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kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
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kernel`0xffffffff81079d7d
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kernel`vm_page_alloc+0x74
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kernel`trap+0x42b
kernel`0xffffffff81079495
1
kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter_quick_locked+0x1ab
kernel`pmap_enter_object+0x208
kernel`vm_map_pmap_enter+0x1bc
kernel`vm_map_insert+0x5a6
kernel`vm_map_find+0x579
kernel`vm_map_find_min+0x4b
kernel`vm_mmap_object+0x3ff
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kernel`sys_mmap+0x2a
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kernel`0xffffffff81079d7d
1
kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
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kernel`vmspace_fork+0xcbe
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`vm_map_wire+0x4bf
kernel`vslock+0x6f
kernel`sysctl_wire_old_buffer+0x4a
kernel`sysctl_rtsock+0x111
kernel`sysctl_root_handler_locked+0x8b
kernel`sysctl_root+0x24c
kernel`userland_sysctl+0x17a
kernel`sys___sysctl+0x5f
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
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kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
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kernel`elf64_load_sections+0x20c
kernel`exec_elf64_imgact+0xc36
kernel`kern_execve+0x5a4
kernel`sys_execve+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x1c24
kernel`vm_fault+0x60
kernel`trap_pfault+0x163
kernel`trap+0x29f
kernel`0xffffffff81079495
linux.ko`0xffffffff834effdb
kernel`devfs_ioctl+0xac
kernel`VOP_IOCTL_APV+0x7c
kernel`vn_ioctl+0x161
kernel`devfs_ioctl_f+0x1f
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
1
kernel`vm_page_alloc+0x74
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kernel`sbuf_putc_func+0x24
kernel`kvprintf+0xaee
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kernel`0xffffffff8107a48e
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kernel`kmem_back_domain+0x10a
kernel`kmem_malloc_domainset+0xa3
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kernel`sbuf_put_bytes+0xdf
kernel`sbuf_putc_func+0x24
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kernel`fork_exit+0x82
kernel`0xffffffff8107a48e
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kernel`kmem_back_domain+0x10a
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kernel`sbuf_putc_func+0x24
kernel`kvprintf+0x145
kernel`sbuf_printf+0x55
kernel`g_conf_specific+0x102
kernel`g_run_events+0x156
kernel`fork_exit+0x82
kernel`0xffffffff8107a48e
5950
kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
kernel`vm_fault_hold+0x2403
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kernel`trap+0x42b
kernel`0xffffffff81079495
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kernel`vm_page_alloc+0x74
kernel`get_pv_entry+0x5e
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kernel`trap+0x42b
kernel`0xffffffff81079495
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kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_copy+0x4fd
kernel`vmspace_fork+0xecc
kernel`fork1+0x35a
kernel`sys_fork+0x4c
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
9068
kernel`vm_page_alloc+0x74
kernel`_pmap_allocpte+0xa3
kernel`pmap_enter+0x3c9
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kernel`vm_fault+0x60
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kernel`trap+0x42b
kernel`0xffffffff81079495
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kernel`get_pv_entry+0x5e
kernel`pmap_try_insert_pv_entry+0x20
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kernel`0xffffffff81079d7d
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kernel`vm_page_grab_pages+0x1f4
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kernel`trap+0x42b
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kernel`vm_fault_hold+0x1dff
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kernel`sysctl_kern_proc+0xc8
kernel`sysctl_root_handler_locked+0x8b
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kernel`vm_page_grab_pages+0x1f4
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kernel`VOP_WRITE_APV+0xec
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kernel`vn_io_fault1+0x16a
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kernel`dofilewrite+0xb0
kernel`sys_write+0xc1
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
36192
kernel`vm_page_grab+0x1b4
linuxkpi.ko`linux_shmem_read_mapping_page_gfp+0x5d
i915kms.ko`i915_gem_object_pwrite_gtt+0x93
i915kms.ko`i915_gem_pwrite_ioctl+0xc4
drm.ko`drm_ioctl_kernel+0xf6
drm.ko`drm_ioctl+0x281
linuxkpi.ko`linux_file_ioctl+0x298
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
43957
kernel`vm_page_grab+0x1b4
linuxkpi.ko`linux_shmem_read_mapping_page_gfp+0x5d
i915kms.ko`i915_gem_object_get_pages_gtt+0xe5
i915kms.ko`__i915_gem_object_get_pages+0xb7
i915kms.ko`i915_gem_set_domain_ioctl+0x131
drm.ko`drm_ioctl_kernel+0xf6
drm.ko`drm_ioctl+0x281
linuxkpi.ko`linux_file_ioctl+0x298
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
261366
kernel`vm_page_grab+0x1b4
linuxkpi.ko`linux_shmem_read_mapping_page_gfp+0x5d
i915kms.ko`i915_gem_object_get_pages_gtt+0xe5
i915kms.ko`__i915_gem_object_get_pages+0xb7
i915kms.ko`__i915_vma_do_pin+0x335
i915kms.ko`eb_lookup_vmas+0x20d
i915kms.ko`i915_gem_do_execbuffer+0x692
i915kms.ko`i915_gem_execbuffer2+0x1c0
drm.ko`drm_ioctl_kernel+0xf6
drm.ko`drm_ioctl+0x281
linuxkpi.ko`linux_file_ioctl+0x298
kernel`kern_ioctl+0x267
kernel`sys_ioctl+0x15d
kernel`amd64_syscall+0x364
kernel`0xffffffff81079d7d
435020Hi,
I see two page leaks in the DRM code. pagecache_write_end() will do a put_page() in Linux (!)
Can you try the attached patch?
After "make extract patch" cd to the root of the extracted files (work/xxxx) and do: cat 0001* | patch -p1
--HPS
lantw44
commented
5 years ago I applied the patch and rebooted the system. Now the system has run for 16 hours, and wired memory usage stays at about 3 GiB, which is similar to the usage of the driver included in base. I will let the system run for longer time. If it can last for 3 days, I think we can say that the problem is resolved.
lantw44
commented
5 years ago Now uptime is 3 days and wired memory is still at 3 GiB. I think we can confirm it is fixed.
wolfspider
commented
5 years ago Just wanted to say thanks for this- I came in from the internet looking for an answer to this and patched it against my 11.3 machine. I expect to be moving to 12 in a couple of weeks (maybe less) depending on getting some new storage. I have Sandy Bridge and running this i915 patch for the last 4 days and my memory has been stable as well. Not sure if 11.2 is frozen or not but maybe that branch could benefit from this as well.
hselasky
commented
5 years ago Looks good for 11.2 @johalun @zeising - will you update?
zeising
commented
5 years ago I'm on it, looks very straight forward.
zeising
commented
5 years ago Port updated.
zeising
commented
5 years ago I believe this issue can be closed. All active branches of drm-kmod has had a fix applied.
johalun
commented
5 years ago @zeising thanks!
From FreeBSD pr 238925
My desktop computer has 16 GiB RAM, but it seems that drm-fbsd12.0-kmod keeps leaking memory, using up all memory in one day and forcing me to reboot. This computer uses Intel i5-650 CPU and its integrated Intel Ironlake graphics. The operating system is FreeBSD 12.0 with GNOME desktop environment.
If I remember correctly, the problem has existed since the introduction of drm-fbsd12.0-kmod port. Here are a few test results I found a few days ago. The version of drm-fbsd12.0-kmod is 4.16.g20190624.
When the system was just booted, wired memory was below 3 GiB.
After the system had run for 12 hours, wired memory became 12 GiB. The desktop was still responsive, but the usage of swap was increasing.
After the system had run for 15 hours, wired memory become 15 GiB. The desktop was non-responsive, and it was slow to run any command from an SSH login shell. Ctrl-T showed that most of time are spent on swapping. Even Ctrl-C took several seconds to respond.
After I managed to terminate Xorg and bring down the desktop environment, the shell became responsive again. However, wired memory usage was still 14 GiB. It seemed that there was no way to reclaim the memory so I had to reboot it.
This kind of memory leak only happens when i915kms.ko from drm-fbsd12.0-kmod is used. It doesn't happen if i915kms.ko from base is used. If I use i915kms.ko from base, wired memory usually stays below 3 GiB, and the system can last more than one month without the need to reboot.