Here's the dmesg crash report:
[ 3683.563419] wlp58s0: AP 00:07:26:aa:e0:45 changed bandwidth, new config is
2472 MHz, width 2 (2462/0 MHz)
[ 3708.293559] ath10k_pci :3a:00.0: failed to stop wmi scan: -11
[ 3708.293565] ath10k_pci :3a:00.0: failed to stop scan: -11
[ 3708.293568] ath10k_pci :3a:00.0: failed to start hw scan: -110
[ 3712.407418] ath10k_pci :3a:00.0: failed to start hw scan: -11
[ 3713.437730] ath10k_pci :3a:00.0: firmware crashed! (uuid
f68629ee-b9ac-4afa-a8ab-78f9b8dbc58d)
[ 3713.437757] ath10k_pci :3a:00.0: qca6174 hw3.2 target 0x0503 chip_id
0x00340aff sub 1a56:1535
[ 3713.437764] ath10k_pci :3a:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs
0 testmode 0
[ 3713.439421] ath10k_pci :3a:00.0: firmware ver
WLAN.RM.2.0-00180-QCARMSWPZ-1 api 4 features wowlan,ignore-otp,no-4addr-pad
crc32 75dee6c5
[ 3713.440186] ath10k_pci :3a:00.0: board_file api 2 bmi_id N/A crc32
6fc88fe7
[ 3713.440195] ath10k_pci :3a:00.0: htt-ver 3.26 wmi-op 4 htt-op 3 cal otp
max-sta 32 raw 0 hwcrypto 1
[ 3713.442262] ath10k_pci :3a:00.0: firmware register dump:
[ 3713.442273] ath10k_pci :3a:00.0: [00]: 0x0503 0x15B3 0x009860FA
0x00955B31
[ 3713.442280] ath10k_pci :3a:00.0: [04]: 0x009860FA 0x00060730 0x0004
0x0040E8A0
[ 3713.442287] ath10k_pci :3a:00.0: [08]: 0x00498110 0x00955A00 0x000B
0x0040
[ 3713.442293] ath10k_pci :3a:00.0: [12]: 0x0009 0x 0x00952CD0
0x00952CE6
[ 3713.442299] ath10k_pci :3a:00.0: [16]: 0x00952CC4 0x0091080D 0x
0x0091080D
[ 3713.442305] ath10k_pci :3a:00.0: [20]: 0x409860FA 0x0040E7E8 0x
0x0041E0DC
[ 3713.442311] ath10k_pci :3a:00.0: [24]: 0x800B5A1D 0x0040E848 0x000F
0xC09860FA
[ 3713.442317] ath10k_pci :3a:00.0: [28]: 0x809B3230 0x0040E948 0x0018
0x004313B8
[ 3713.442323] ath10k_pci :3a:00.0: [32]: 0x809B2992 0x0040E998 0x0040E9BC
0x00429548
[ 3713.442329] ath10k_pci :3a:00.0: [36]: 0x8091D252 0x0040E9B8 0x
0x0001
[ 3713.442335] ath10k_pci :3a:00.0: [40]: 0x809FF05D 0x0040EA68 0x0043A380
0x00429C10
[ 3713.442341] ath10k_pci :3a:00.0: [44]: 0x809FCFDB 0x0040EA88 0x0043A380
0x0001
[ 3713.442351] ath10k_pci :3a:00.0: [48]: 0x80911210 0x0040EAD8 0x0010
0x004041D0
[ 3713.442357] ath10k_pci :3a:00.0: [52]: 0x80911154 0x0040EB28 0x0040
0x
[ 3713.442363] ath10k_pci :3a:00.0: [56]: 0x8091122D 0x0040EB48 0x
0x00400600
[ 3713.442467] ath10k_pci :3a:00.0: failed to start hw scan: -108
[ 3713.525461] ieee80211 phy0: Hardware restart was requested
[ 3715.944232] ath10k_pci :3a:00.0: device successfully recovered
[ 3743.622083] wlp58s0: deauthenticated from 00:07:26:aa:e0:45 (Reason:
6=CLASS2_FRAME_FROM_NONAUTH_STA)
[ 3743.664676] wlp58s0: authenticate with 00:07:26:aa:e0:45
[ 3743.706559] wlp58s0: send auth to 00:07:26:aa:e0:45 (try 1/3)
[ 3743.708669] wlp58s0: authenticated
[ 3743.715614] wlp58s0: associate with 00:07:26:aa:e0:45 (try 1/3)
[ 3743.720081] wlp58s0: RX AssocResp from 00:07:26:aa:e0:45 (capab=0x431
status=0 aid=3)
[ 3743.723689] wlp58s0: associated
[ 3743.732696] ath: EEPROM regdomain: 0x833a
[ 3743.732699] ath: EEPROM indicates we should expect a country code
[ 3743.732702] ath: doing EEPROM country->regdmn map search
[ 3743.732705] ath: country maps to regdmn code: 0x37
[ 3743.732707] ath: Country alpha2 being used: GB
[ 3743.732709] ath: Regpair used: 0x37
[ 3743.732712] ath: regdomain 0x833a dynamically updated by country IE
--
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Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1654754
Title:
Wifi stopped working; ath10k_pci firmware crash in dmesg log
Status in linux-firmware package in Ubuntu:
New
Bug description:
Wifi worked fine for a while then stopped working. dmesg log has a
correlated firmware crash for the Wifi adapter's driver.
Disabling and reenabling Wifi in the network manager widget seemed to
make it work for a while again.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-firmware 1.161.1
ProcVersionSignature: Ubuntu 4.8.0-32.34-generic 4.8.11
Uname: Linux 4.8.0-32-generic x86_64
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 7 15:42:55 2017
Dependencies:
DistributionChannelDescriptor:
# This is a distribution channel descriptor
# For more information see
http://wiki.ubuntu.com/DistributionChannelDescriptor
canonical-oem-somerville-xenial-amd64-20160624-2
EcryptfsInUse: Yes
InstallationDate: Installed on 2016-12-20 (18 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary
20160624-10:47
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: Upgraded to yakkety on 2017-01-03 (3 days ago)
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