greearb
commented
6 years ago I am not able to reproduce this on an x86-64 machine running our 4.13 kernel. I am using a different firmware variant, but probably that is not the issue since it mostly just compiles out some un-needed code.
Maybe you could enable the firmware debugging and also instrument the driver to print out the status code that it is complaining about and send me that dmesg output?
[root@lf0313-6477 lanforge]# iw phy wiphy1 interface add moni7a type monitor [root@lf0313-6477 lanforge]# ip link set dev moni7a up [root@lf0313-6477 lanforge]# iw dev moni7a set channel 40 HT40+ command failed: Device or resource busy (-16) [root@lf0313-6477 lanforge]# ifconfig wlan1 down [root@lf0313-6477 lanforge]# iw dev moni7a set channel 40 HT40+ [root@lf0313-6477 lanforge]# iw reg get global country 00: DFS-UNSET (2402 - 2472 @ 40), (N/A, 20), (N/A) (2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, NO-IR (2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR (4910 - 5170 @ 20), (N/A, 23), (N/A) (5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, NO-IR (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, NO-IR (5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR (5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR (57240 - 63720 @ 2160), (N/A, 0), (N/A)
phy#1 country US: DFS-FCC (2402 - 2472 @ 40), (N/A, 30), (N/A) (4910 - 5170 @ 20), (N/A, 23), (N/A) (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS (5735 - 5835 @ 80), (N/A, 30), (N/A) (57240 - 63720 @ 2160), (N/A, 40), (N/A)
phy#0 country US: DFS-FCC (2402 - 2472 @ 40), (N/A, 30), (N/A) (4910 - 5170 @ 20), (N/A, 23), (N/A) (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS (5735 - 5835 @ 80), (N/A, 30), (N/A) (57240 - 63720 @ 2160), (N/A, 40), (N/A)
[root@lf0313-6477 lanforge]# ethtool -i moni7a driver: ath10k_pci version: 4.13.16+ firmware-version: 10.4-ct-9984-xtH-010-868495e expansion-rom-version: bus-info: 0000:04:00.0 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: no supports-priv-flags: no [root@lf0313-6477 lanforge]#
[root@lf0313-6477 lanforge]# cat /lib/firmware/ath10k/fwcfg-pci-0000:04:00.0.txt
Created by LANforge. LANforge will over-write this file
unless you add the string LEAVE-ME-Be (with last E also capitalized)
vdevs = 64 peers = 128 active_peers = 128 stations = 128 rate_ctrl_objs = 7 regdom = 840 fwname = firmware-5-htt-mgt.bin fwver = 5 nohwcrypt = 1 tx_desc = 2200
max_nss = 3
tids = 256 skid_limit = 360 max_amsdus = 3 bname = WLE1216V5-2-board.bin
[root@lf0313-6477 lanforge]# iw dev moni7a info Interface moni7a ifindex 19 wdev 0x100000002 addr 04:f0:21:38:98:f3 type monitor wiphy 1 channel 40 (5200 MHz), width: 40 MHz, center1: 5210 MHz txpower 0.00 dBm [root@lf0313-6477 lanforge]#
jhaakana
Problem description:
When using default country code (US) and trying to switch monitor mode interface channel to certain widths, operation times out and the following message is seen in dmesg:
# iw dev ath3 set channel 40 HT40+ command failed: Connection timed out (-110)
# dmesg [ 447.448592] ------------[ cut here ]------------ [ 447.453290] WARNING: CPU: 0 PID: 0 at /home/jhaakana/git-trees/dev/Sapphire/Eye/swdev/ecp/Platform/compile/Lapidary/build_dir/target-arm_cortex-a9+vfpv3_glibc_eabi/linux-mvebu_cortexa9/ath10k-ct-2018-05-30-127f9818/ath10k-4.13/wmi.c:3419 ath10k_wmi_10_4_op_rx+0x4d4/0x69c [ath10k_core] [ 447.478642] Modules linked in: pppoe ppp_async pppox ppp_generic iptable_nat iptable_mangle iptable_filter ipt_REJECT ipt_MASQUERADE ip_tables xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_FLOWOFFLOAD x_tables slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_log_common nf_flow_table_hw nf_flow_table nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack crc_ccitt ath10k_pci ath10k_core mwlwifi mac80211 nfs lockd sunrpc grace ath cfg80211 compat gpio_button_hotplug [ 447.531989] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 4.14.51 #0 [ 447.539244] Hardware name: Marvell Armada 375 (Device Tree) [ 447.544861] [] (unwind_backtrace) from [] (show_stack+0x10/0x14)
[ 447.552647] [] (show_stack) from [] (dump_stack+0x88/0x9c)
[ 447.559907] [] (dump_stack) from [] (warn_slowpath_null+0xbc/0x114)
[ 447.567985] [] (warn_slowpath_null) from [] (ath10k_wmi_10_4_op_rx+0x4d4/0x69c [ath10k_core])
[ 447.578353] [] (ath10k_wmi_10_4_op_rx [ath10k_core]) from [] (ath10k_htc_rx_completion_handler+0x1a0/0x1b0 [ath10k_core])
[ 447.591142] [] (ath10k_htc_rx_completion_handler [ath10k_core]) from [] (ath10k_pci_hif_fetch_cal_eeprom+0x744/0x758 [ath10k_pci])
[ 447.604696] [] (ath10k_pci_hif_fetch_cal_eeprom [ath10k_pci]) from [] (ath10k_ce_per_engine_service_any+0x94/0x110 [ath10k_pci])
[ 447.618074] [] (ath10k_ce_per_engine_service_any [ath10k_pci]) from [] (ath10k_pci_napi_poll+0x90/0x1ac [ath10k_pci])
[ 447.630493] [] (ath10k_pci_napi_poll [ath10k_pci]) from [] (net_rx_action+0x134/0x374)
[ 447.640196] [] (net_rx_action) from [] (do_softirq+0xe0/0x2a4)
[ 447.647979] [] (__do_softirq) from [] (irq_exit+0xb0/0xf8)
[ 447.655240] [] (irq_exit) from [] ( handle_domain_irq+0xac/0xbc)
[ 447.663109] [] (handle_domain_irq) from [] (gic_handle_irq+0x5c/0x90)
[ 447.671498] [] (gic_handle_irq) from [] ( irq_svc+0x6c/0x90)
[ 447.679013] Exception stack(0xc0b01f48 to 0xc0b01f90)
[ 447.684091] 1f40: 00000001 00000000 00000000 c011c2c0 ffffe000 c0b03c74
[ 447.692308] 1f60: c0b03c24 00000000 00000000 414fc091 00000001 00000000 c0b01f84 c0b01f98
[ 447.700523] 1f80: c010d0fc c010d100 600e0013 ffffffff
[ 447.705603] [] (__irq_svc) from [] (arch_cpu_idle+0x34/0x38)
[ 447.713040] [] (arch_cpu_idle) from [] (do_idle+0xf0/0x1f4)
[ 447.720387] [] (do_idle) from [] (cpu_startup_entry+0x18/0x1c)
[ 447.727999] [] (cpu_startup_entry) from [] (start_kernel+0x494/0x4a0)
[ 447.736233] ---[ end trace 103d016a5a79645b ]---
[ 452.473007] ath10k_pci 0000:02:00.0: failed to synchronize setup for vdev 0 restart 0: -110
[ 452.481409] ath10k_pci 0000:02:00.0: failed to start vdev 0 addr 00:00:00:00:00:00 on freq 5200: -110
The channel widths and the channels having this problem are:
HT20/VHT20/VHT40/VHT80 seem to be fine.
If we add a fwcfg file and set regdom to 840 (US) we see the same error. But if we change the country codein fwcfg to any country that does not belong to FCC3_FCCA regulatory domain (and use iw reg set to set corresponding country code), setting channel with all available / supported bandwidths works without issues.
On the other hand, if we set any country belonging to FCC3_FCCA regulatory domain (f.e. Canada) in fwcfg file (and set the country code with iw reg set), we are getting the same error.
If we switch to stock firmware (e.g. firmware-5.bin_10.4-3.2-00072), but still use the same ath10k-ct driver, the problem does not occur. All (supported) channel widths on FCC3_FCCA can be set without issues. So it looks like the problem is specific to Candelach firmware-5?