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Groups > linux.debian.bugs.dist > #872411

Bug#885958: hostapd: iwlwifi 5GHz hw_mode=a causes microcode fault

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Package: hostapd
Version: 2:2.6-15
Severity: important

[51085.431307] iwlwifi 0000:03:00.0: Microcode SW error detected.  Restarting 0x82000000.
[51085.431410] iwlwifi 0000:03:00.0: Start IWL Error Log Dump:
[51085.431412] iwlwifi 0000:03:00.0: Status: 0x00000100, count: 6
[51085.431413] iwlwifi 0000:03:00.0: Loaded firmware version: 29.541020.0
[51085.431414] iwlwifi 0000:03:00.0: 0x000014FC | ADVANCED_SYSASSERT
[51085.431415] iwlwifi 0000:03:00.0: 0x000002F0 | trm_hw_status0
[51085.431416] iwlwifi 0000:03:00.0: 0x00000000 | trm_hw_status1
[51085.431416] iwlwifi 0000:03:00.0: 0x00043D58 | branchlink2
[51085.431417] iwlwifi 0000:03:00.0: 0x0004AFE2 | interruptlink1
[51085.431418] iwlwifi 0000:03:00.0: 0x00000000 | interruptlink2
[51085.431419] iwlwifi 0000:03:00.0: 0x00003000 | data1
[51085.431420] iwlwifi 0000:03:00.0: 0x000007E1 | data2
[51085.431420] iwlwifi 0000:03:00.0: 0x00090010 | data3
[51085.431421] iwlwifi 0000:03:00.0: 0x00000000 | beacon time
[51085.431422] iwlwifi 0000:03:00.0: 0x004CA5CA | tsf low
[51085.431423] iwlwifi 0000:03:00.0: 0x00000000 | tsf hi
[51085.431424] iwlwifi 0000:03:00.0: 0x00000000 | time gp1
[51085.431425] iwlwifi 0000:03:00.0: 0x004CA5CA | time gp2
[51085.431425] iwlwifi 0000:03:00.0: 0x00000001 | uCode revision type
[51085.431426] iwlwifi 0000:03:00.0: 0x0000001D | uCode version major
[51085.431427] iwlwifi 0000:03:00.0: 0x0008415C | uCode version minor
[51085.431428] iwlwifi 0000:03:00.0: 0x00000220 | hw version
[51085.431429] iwlwifi 0000:03:00.0: 0x00C89200 | board version
[51085.431429] iwlwifi 0000:03:00.0: 0x0022012B | hcmd
[51085.431430] iwlwifi 0000:03:00.0: 0x00022080 | isr0
[51085.431431] iwlwifi 0000:03:00.0: 0x00000000 | isr1
[51085.431432] iwlwifi 0000:03:00.0: 0x00000002 | isr2
[51085.431433] iwlwifi 0000:03:00.0: 0x004000C0 | isr3
[51085.431433] iwlwifi 0000:03:00.0: 0x00000000 | isr4
[51085.431434] iwlwifi 0000:03:00.0: 0x002101D1 | last cmd Id
[51085.431435] iwlwifi 0000:03:00.0: 0x00000000 | wait_event
[51085.431436] iwlwifi 0000:03:00.0: 0x00000080 | l2p_control
[51085.431437] iwlwifi 0000:03:00.0: 0x00000000 | l2p_duration
[51085.431437] iwlwifi 0000:03:00.0: 0x00000000 | l2p_mhvalid
[51085.431438] iwlwifi 0000:03:00.0: 0x00000000 | l2p_addr_match
[51085.431439] iwlwifi 0000:03:00.0: 0x00000007 | lmpm_pmg_sel
[51085.431440] iwlwifi 0000:03:00.0: 0x15061956 | timestamp
[51085.431441] iwlwifi 0000:03:00.0: 0x00002030 | flow_handler
[51085.431443] ieee80211 phy0: Hardware restart was requested
[51085.431478] iwlwifi 0000:03:00.0: FW error in SYNC CMD BINDING_CONTEXT_CMD
[51085.431481] CPU: 3 PID: 31109 Comm: hostapd Not tainted 4.14.0-2-amd64 #1 Debian 4.14.7-1
[51085.431482] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H270M-ITX/ac, BIOS P2.00 03/29/2017
[51085.431483] Call Trace:
[51085.431487]  dump_stack+0x63/0x8b
[51085.431493]  iwl_trans_pcie_send_hcmd+0x447/0x490 [iwlwifi]
[51085.431496]  ? finish_wait+0x80/0x80
[51085.431499]  iwl_trans_send_cmd+0x5c/0xc0 [iwlwifi]
[51085.431504]  iwl_mvm_send_cmd_status+0x2f/0xb0 [iwlmvm]
[51085.431507]  iwl_mvm_send_cmd_pdu_status+0x57/0x80 [iwlmvm]
[51085.431511]  iwl_mvm_binding_update+0x169/0x230 [iwlmvm]
[51085.431514]  ? iwl_mvm_binding_update+0x169/0x230 [iwlmvm]
[51085.431517]  iwl_mvm_binding_add_vif+0x55/0x80 [iwlmvm]
[51085.431520]  iwl_mvm_start_ap_ibss+0xb0/0x1c0 [iwlmvm]
[51085.431534]  ieee80211_start_ap+0x2bd/0x4a0 [mac80211]
[51085.431548]  nl80211_start_ap+0x497/0x780 [cfg80211]
[51085.431552]  genl_family_rcv_msg+0x1f5/0x3e0
[51085.431554]  genl_rcv_msg+0x4c/0x90
[51085.431555]  ? genl_family_rcv_msg+0x3e0/0x3e0
[51085.431557]  netlink_rcv_skb+0x91/0x130
[51085.431558]  genl_rcv+0x28/0x40
[51085.431560]  netlink_unicast+0x194/0x240
[51085.431561]  netlink_sendmsg+0x2c5/0x3c0
[51085.431563]  sock_sendmsg+0x38/0x50
[51085.431564]  ___sys_sendmsg+0x27a/0x2e0
[51085.431566]  ? current_time+0x38/0x70
[51085.431568]  ? file_update_time+0x60/0x110
[51085.431570]  ? pipe_write+0x295/0x400
[51085.431571]  ? new_sync_write+0xe1/0x130
[51085.431573]  __sys_sendmsg+0x54/0x90
[51085.431574]  ? __sys_sendmsg+0x54/0x90
[51085.431575]  SyS_sendmsg+0x12/0x20
[51085.431577]  system_call_fast_compare_end+0xc/0x97
[51085.431578] RIP: 0033:0x7f1184939a67
[51085.431580] RSP: 002b:00007ffd5783a788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[51085.431581] RAX: ffffffffffffffda RBX: 000055721b81c8e0 RCX: 00007f1184939a67
[51085.431582] RDX: 0000000000000000 RSI: 00007ffd5783a810 RDI: 0000000000000005
[51085.431583] RBP: 00007f1184be6440 R08: 0000000000000000 R09: 00000000000000f0
[51085.431583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[51085.431584] R13: 00007ffd5783abb0 R14: 000055721b8186f0 R15: 0000000000000000
[51085.431587] iwlwifi 0000:03:00.0: Failed to send binding (action:1): -5
[51085.431588] iwlwifi 0000:03:00.0: Failed to remove MAC context: -5

lspci:

03:00.0 Network controller: Intel Corporation Device 24fb (rev 10)
        Subsystem: Intel Corporation Device 2110
        Flags: bus master, fast devsel, latency 0, IRQ 136
        Memory at df100000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: <access denied>
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi

config:

hw_mode=a
ieee80211n=1
wmm_enabled=1
ieee80211h=1
ieee80211ac=1
channel=36

-- System Information:
Debian Release: buster/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'testing-debug'), (500, 'unstable'), (1, 'experimental-debug')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.14.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages hostapd depends on:
ii  libc6              2.25-5
ii  libnl-3-200        3.2.27-2
ii  libnl-genl-3-200   3.2.27-2
ii  libnl-route-3-200  3.2.27-2
ii  libssl1.1          1.1.0g-2
ii  lsb-base           9.20170808

hostapd recommends no packages.

hostapd suggests no packages.

-- Configuration Files:
/etc/default/hostapd changed:
DAEMON_CONF="/etc/hostapd/hostapd.conf"
DAEMON_OPTS="-dd -K"


-- no debconf information

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Bug#885958: hostapd: iwlwifi 5GHz hw_mode=a causes microcode fault Nye Liu <nyet@nyet.org> - 2018-01-01 00:30 +0100

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