Open GoogleCodeExporter opened 9 years ago
What steps will reproduce the problem? 1. be low in memory (e.g. 1mb free) 2. activate zram-discs 3. mkswap /dev/zram0 --> crash What version of the product are you using? On what operating system? zram from kernel 3.8.2 on arch brcm47xx / OpenWrt Please provide any additional information below. crashlog: http://intercity-vpn.de/crashlog/?id=1363295046 which results to: r35936 Linux EG-laborBuffi-AP 3.8.2 #3 Sun Mar 10 20:33:12 CET 2013 mips GNU/Linux 9b:6d:42:e2:e0:24:7f:6a:88:1f:c5:ab:7a:8b:d9:cd liszt28_ap Buffalo WHR-HP-G54 Time: 1363294632.305655 Modules: zram@804be000+1cbc lzo_compress@8040d000+6c2 lzo_decompress@80569000+76 7 zsmalloc@80d8c000+1343 xt_mark@806f6000+2a0 iptable_nat@8048e000+690 xt_nat@80 633000+440 nf_nat_ipv4@80511000+a9e nf_nat@8063c000+2a5f nf_conntrack_ipv4@80678 000+1254 nf_defrag_ipv4@80514000+2e6 nf_conntrack@806e0000+b111 ipt_REJECT@80646 000+730 xt_LOG@80640000+1a10 xt_mac@8062f000+260 iptable_mangle@805c4000+380 ipt able_filter@80506000+2a0 ip_tables@805ac000+23ad xt_tcpudp@8065f000+6e0 x_tables @806cc000+2ad5 b43@80600000+2953f mac80211@80680000+4bb9f cfg80211@80540000+26b8 6 compat@8046a000+399 b44@80c78000+5a30 <4>[ 5168.216000] zsmalloc: module is from the staging directory, the quality is unknown, you have been warned. <4>[ 5168.712000] zram: module is from the staging directory, the quality is unknown, you have been warned. <6>[ 5168.724000] zram: Creating 1 devices ... <4>[ 5169.960000] mkswap: page allocation failure: order:4, mode:0x2000d0 <4>[ 5169.968000] Call Trace: <4>[ 5169.968000] [<80011eb4>] dump_stack+0x8/0x34 <4>[ 5169.972000] [<80060c74>] warn_alloc_failed+0xf0/0x114 <4>[ 5169.980000] [<800633f0>] __alloc_pages_nodemask+0x5d4/0x634 <4>[ 5169.984000] [<8008dea0>] cache_alloc_refill+0x2fc/0x780 <4>[ 5169.992000] [<8008e4d4>] kmem_cache_alloc+0x88/0xf0 <4>[ 5169.996000] [<804bea08>] zram_init_device+0xc8/0x4dc [zram] <4>[ 5170.000000] [<804beb84>] zram_init_device+0x244/0x4dc [zram] <4>[ 5170.008000] <4>[ 5170.008000] Mem-Info: <4>[ 5170.012000] Normal per-cpu: <4>[ 5170.016000] CPU 0: hi: 0, btch: 1 usd: 0 <4>[ 5170.020000] active_anon:141 inactive_anon:278 isolated_anon:0 <4>[ 5170.020000] active_file:166 inactive_file:354 isolated_file:0 <4>[ 5170.020000] unevictable:0 dirty:0 writeback:0 unstable:0 <4>[ 5170.020000] free:290 slab_reclaimable:233 slab_unreclaimable:795 <4>[ 5170.020000] mapped:142 shmem:78 pagetables:53 bounce:0 <4>[ 5170.020000] free_cma:0 <4>[ 5170.052000] Normal free:1160kB min:508kB low:632kB high:760kB active_anon:564kB inactive_anon:1112kB active_file:664kB inactive_file:1416kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:16256kB managed:12896kB mlocked:0kB dirty:0kB writeback:0kB mapped:568kB shmem:312kB slab_reclaimable:932kB slab_unreclaimable:3180kB kernel_stack:264kB pagetables:212kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no <4>[ 5170.092000] lowmem_reserve[]: 0 0 <4>[ 5170.096000] Normal: 54*4kB (U) 22*8kB (U) 40*16kB (U) 2*32kB (U) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1160kB <4>[ 5170.108000] 598 total pagecache pages <4>[ 5170.112000] 0 pages in swap cache <4>[ 5170.116000] Swap cache stats: add 882, delete 882, find 397/491 <4>[ 5170.124000] Free swap = 0kB <4>[ 5170.124000] Total swap = 0kB <4>[ 5170.132000] 4096 pages RAM <4>[ 5170.132000] 824 pages reserved <4>[ 5170.136000] 263379 pages shared <4>[ 5170.140000] 2320 pages non-shared <4>[ 5170.144000] SLAB: Unable to allocate memory on node 0 (gfp=0xd0) <4>[ 5170.148000] cache: size-65536, object size: 65536, order: 4 <4>[ 5170.156000] node 0: slabs: 1/1, objs: 1/1, free: 0 <3>[ 5170.160000] zram: Error allocating compressor working memory! <1>[ 5170.168000] CPU 0 Unable to handle kernel paging request at virtual address 00000018, epc == 80d8c5e0, ra == 804be8c8 <4>[ 5170.180000] Oops[#1]: <4>[ 5170.180000] Cpu 0 <4>[ 5170.180000] $ 0 : 00000000 10009800 00000000 00000000 <4>[ 5170.180000] $ 4 : 00000000 00000001 00000005 00000000 <4>[ 5170.180000] $ 8 : 726f7720 676e696b 6d656d20 2179726f <4>[ 5170.180000] $12 : 00000000 00000000 00000000 676e6974 <4>[ 5170.180000] $16 : 00000000 00000000 00000000 80d8d018 <4>[ 5170.180000] $20 : 000000ff 00000001 802c0000 800bf9e4 <4>[ 5170.180000] $24 : 00000000 8015e594 <4>[ 5170.180000] $28 : 80fb2000 80fb3ab8 800bb49c 804be8c8 <4>[ 5170.180000] Hi : 00000000 <4>[ 5170.180000] Lo : 00000063 <4>[ 5170.180000] epc : 80d8c5e0 zs_destroy_pool+0x38/0xa0 [zsmalloc] <4>[ 5170.180000] Tainted: G C O <4>[ 5170.180000] ra : 804be8c8 __zram_reset_device+0x9c/0xd4 [zram] <4>[ 5170.180000] Status: 10009803 KERNEL EXL IE <4>[ 5170.180000] Cause : 00800008 <4>[ 5170.180000] BadVA : 00000018 <4>[ 5170.180000] PrId : 00029008 (Broadcom BMIPS3300) <4>[ 5170.180000] Modules linked in: zram(C) lzo_compress lzo_decompress zsmalloc(C) xt_mark iptable_nat xt_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ipt_REJECT xt_LOG xt_mac iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables b43(O) mac80211(O) cfg80211(O) compat(O) b44 [last unloaded: zsmalloc] <4>[ 5170.180000] Process mkswap (pid: 10904, threadinfo=80fb2000, task=805ea5d0, tls=77a34440) <4>[ 5170.180000] Stack : 00cc8000 00000000 00000000 00000001 80d29080 00000000 00cc8000 00000000 <4>[ 5170.180000] 00000000 804be8c8 00000000 00000000 804bf67c 80fb3b04 80fb3b04 80d29080 <4>[ 5170.180000] 80d290a8 804beb0c 38fc1984 00000001 00000000 00000000 80d29080 80855920 <4>[ 5170.180000] 00000008 804beb84 39387000 00001431 8032f668 00000001 ffffffff 80111c8c <4>[ 5170.180000] 00000000 38fc1984 80330000 80fb3cd8 38fd1e38 00000000 80855920 80855920 <4>[ 5170.180000] ... <4>[ 5170.180000] Call Trace: <4>[ 5170.180000] [<80d8c5e0>] zs_destroy_pool+0x38/0xa0 [zsmalloc] <4>[ 5170.180000] [<804be8c8>] __zram_reset_device+0x9c/0xd4 [zram] <4>[ 5170.180000] [<804beb0c>] zram_init_device+0x1cc/0x4dc [zram] <4>[ 5170.180000] [<804beb84>] zram_init_device+0x244/0x4dc [zram] <4>[ 5170.180000] <4>[ 5170.180000] <4>[ 5170.180000] Code: 08363187 2673d018 02508021 <8e020018> 10400004 02602021 8e050000 0c007bb6 00003021 <4>[ 5170.380000] ---[ end trace b04843433286d129 ]--- =================================== Time: 1363294637.322268 <4>[ 5168.216000] zsmalloc: module is from the staging directory, the quality is unknown, you have been warned. <4>[ 5168.712000] zram: module is from the staging directory, the quality is unknown, you have been warned. <6>[ 5168.724000] zram: Creating 1 devices ... <4>[ 5169.960000] mkswap: page allocation failure: order:4, mode:0x2000d0 <4>[ 5169.968000] Call Trace: <4>[ 5169.968000] [<80011eb4>] dump_stack+0x8/0x34 <4>[ 5169.972000] [<80060c74>] warn_alloc_failed+0xf0/0x114 <4>[ 5169.980000] [<800633f0>] __alloc_pages_nodemask+0x5d4/0x634 <4>[ 5169.984000] [<8008dea0>] cache_alloc_refill+0x2fc/0x780 <4>[ 5169.992000] [<8008e4d4>] kmem_cache_alloc+0x88/0xf0 <4>[ 5169.996000] [<804bea08>] zram_init_device+0xc8/0x4dc [zram] <4>[ 5170.000000] [<804beb84>] zram_init_device+0x244/0x4dc [zram] <4>[ 5170.008000] <4>[ 5170.008000] Mem-Info: <4>[ 5170.012000] Normal per-cpu: <4>[ 5170.016000] CPU 0: hi: 0, btch: 1 usd: 0 <4>[ 5170.020000] active_anon:141 inactive_anon:278 isolated_anon:0 <4>[ 5170.020000] active_file:166 inactive_file:354 isolated_file:0 <4>[ 5170.020000] unevictable:0 dirty:0 writeback:0 unstable:0 <4>[ 5170.020000] free:290 slab_reclaimable:233 slab_unreclaimable:795 <4>[ 5170.020000] mapped:142 shmem:78 pagetables:53 bounce:0 <4>[ 5170.020000] free_cma:0 <4>[ 5170.052000] Normal free:1160kB min:508kB low:632kB high:760kB active_anon:564kB inactive_anon:1112kB active_file:664kB inactive_file:1416kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:16256kB managed:12896kB mlocked:0kB dirty:0kB writeback:0kB mapped:568kB shmem:312kB slab_reclaimable:932kB slab_unreclaimable:3180kB kernel_stack:264kB pagetables:212kB unstable:0kB bounce:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no <4>[ 5170.092000] lowmem_reserve[]: 0 0 <4>[ 5170.096000] Normal: 54*4kB (U) 22*8kB (U) 40*16kB (U) 2*32kB (U) 1*64kB (U) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 1160kB <4>[ 5170.108000] 598 total pagecache pages <4>[ 5170.112000] 0 pages in swap cache <4>[ 5170.116000] Swap cache stats: add 882, delete 882, find 397/491 <4>[ 5170.124000] Free swap = 0kB <4>[ 5170.124000] Total swap = 0kB <4>[ 5170.132000] 4096 pages RAM <4>[ 5170.132000] 824 pages reserved <4>[ 5170.136000] 263379 pages shared <4>[ 5170.140000] 2320 pages non-shared <4>[ 5170.144000] SLAB: Unable to allocate memory on node 0 (gfp=0xd0) <4>[ 5170.148000] cache: size-65536, object size: 65536, order: 4 <4>[ 5170.156000] node 0: slabs: 1/1, objs: 1/1, free: 0 <3>[ 5170.160000] zram: Error allocating compressor working memory! <1>[ 5170.168000] CPU 0 Unable to handle kernel paging request at virtual address 00000018, epc == 80d8c5e0, ra == 804be8c8 <4>[ 5170.180000] Oops[#1]: <4>[ 5170.180000] Cpu 0 <4>[ 5170.180000] $ 0 : 00000000 10009800 00000000 00000000 <4>[ 5170.180000] $ 4 : 00000000 00000001 00000005 00000000 <4>[ 5170.180000] $ 8 : 726f7720 676e696b 6d656d20 2179726f <4>[ 5170.180000] $12 : 00000000 00000000 00000000 676e6974 <4>[ 5170.180000] $16 : 00000000 00000000 00000000 80d8d018 <4>[ 5170.180000] $20 : 000000ff 00000001 802c0000 800bf9e4 <4>[ 5170.180000] $24 : 00000000 8015e594 <4>[ 5170.180000] $28 : 80fb2000 80fb3ab8 800bb49c 804be8c8 <4>[ 5170.180000] Hi : 00000000 <4>[ 5170.180000] Lo : 00000063 <4>[ 5170.180000] epc : 80d8c5e0 zs_destroy_pool+0x38/0xa0 [zsmalloc] <4>[ 5170.180000] Tainted: G C O <4>[ 5170.180000] ra : 804be8c8 __zram_reset_device+0x9c/0xd4 [zram] <4>[ 5170.180000] Status: 10009803 KERNEL EXL IE <4>[ 5170.180000] Cause : 00800008 <4>[ 5170.180000] BadVA : 00000018 <4>[ 5170.180000] PrId : 00029008 (Broadcom BMIPS3300) <4>[ 5170.180000] Modules linked in: zram(C) lzo_compress lzo_decompress zsmalloc(C) xt_mark iptable_nat xt_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack ipt_REJECT xt_LOG xt_mac iptable_mangle iptable_filter ip_tables xt_tcpudp x_tables b43(O) mac80211(O) cfg80211(O) compat(O) b44 [last unloaded: zsmalloc] <4>[ 5170.180000] Process mkswap (pid: 10904, threadinfo=80fb2000, task=805ea5d0, tls=77a34440) <4>[ 5170.180000] Stack : 00cc8000 00000000 00000000 00000001 80d29080 00000000 00cc8000 00000000 <4>[ 5170.180000] 00000000 804be8c8 00000000 00000000 804bf67c 80fb3b04 80fb3b04 80d29080 <4>[ 5170.180000] 80d290a8 804beb0c 38fc1984 00000001 00000000 00000000 80d29080 80855920 <4>[ 5170.180000] 00000008 804beb84 39387000 00001431 8032f668 00000001 ffffffff 80111c8c <4>[ 5170.180000] 00000000 38fc1984 80330000 80fb3cd8 38fd1e38 00000000 80855920 80855920 <4>[ 5170.180000] ... <4>[ 5170.180000] Call Trace: <4>[ 5170.180000] [<80d8c5e0>] zs_destroy_pool+0x38/0xa0 [zsmalloc] <4>[ 5170.180000] [<804be8c8>] __zram_reset_device+0x9c/0xd4 [zram] <4>[ 5170.180000] [<804beb0c>] zram_init_device+0x1cc/0x4dc [zram] <4>[ 5170.180000] [<804beb84>] zram_init_device+0x244/0x4dc [zram] <4>[ 5170.180000] <4>[ 5170.180000] <4>[ 5170.180000] Code: 08363187 2673d018 02508021 <8e020018> 10400004 02602021 8e050000 0c007bb6 00003021 <4>[ 5170.380000] ---[ end trace b04843433286d129 ]--- <0>[ 5170.388000] Fatal exception: panic in 5 seconds <0>[ 5175.396000] Kernel panic - not syncing: Fatal exception
Original issue reported on code.google.com by BBitt...@googlemail.com on 15 Mar 2013 at 10:56
BBitt...@googlemail.com
Original issue reported on code.google.com by
BBitt...@googlemail.comon 15 Mar 2013 at 10:56