I am seeing this occur on 16.04 and that too only on my home network. I am using a D-Link DIR-150M router. Hope this helps in solving this bug.
$ dmesg | grep 'ath10k\|wlp5s0' [43748.066244] IPv6: ADDRCONF(NETDEV_CHANGE): wlp5s0: link becomes ready [43798.366800] wlp5s0: AP 18:0f:76:8d:56:b4 changed bandwidth, new config is 2412 MHz, width 2 (2422/0 MHz) [43798.405413] ath10k_pci 0000:05:00.0: firmware crashed! (guid 73bf7f34-1cb6-4cdc-90a8-15e5913458a6) [43798.405466] ath10k_pci 0000:05:00.0: qca9377 hw1.1 target 0x05020001 chip_id 0x003821ff sub 17aa:0901 [43798.405480] ath10k_pci 0000:05:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0 [43798.407173] ath10k_pci 0000:05:00.0: firmware ver WLAN.TF.1.0-00267-1 api 5 features ignore-otp crc32 79cea2c7 [43798.408288] ath10k_pci 0000:05:00.0: board_file api 2 bmi_id N/A crc32 93da0176 [43798.408308] ath10k_pci 0000:05:00.0: htt-ver 3.1 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1 [43798.410347] ath10k_pci 0000:05:00.0: firmware register dump: [43798.410371] ath10k_pci 0000:05:00.0: [00]: 0x05020001 0x000015B3 0x00985B3A 0x00955B31 [43798.410385] ath10k_pci 0000:05:00.0: [04]: 0x00985B3A 0x00060730 0x00000004 0x00000000 [43798.410402] ath10k_pci 0000:05:00.0: [08]: 0x00955A00 0x00438830 0x00450888 0x00420970 [43798.410416] ath10k_pci 0000:05:00.0: [12]: 0x00000009 0x00000000 0x00952CD0 0x00952CE6 [43798.410430] ath10k_pci 0000:05:00.0: [16]: 0x00952CC4 0x0091080D 0x00000000 0x00000000 [43798.410445] ath10k_pci 0000:05:00.0: [20]: 0x40985B3A 0x0040E788 0x00400000 0x00421888 [43798.410458] ath10k_pci 0000:05:00.0: [24]: 0x809BF546 0x0040E7E8 0x00426470 0xC0985B3A [43798.410473] ath10k_pci 0000:05:00.0: [28]: 0x809B90D8 0x0040E958 0x00000018 0x0042EA0C [43798.410486] ath10k_pci 0000:05:00.0: [32]: 0x809B859A 0x0040E9A8 0x0040E9CC 0x00428D74 [43798.410501] ath10k_pci 0000:05:00.0: [36]: 0x8091D252 0x0040E9C8 0x00000000 0x00000001 [43798.410514] ath10k_pci 0000:05:00.0: [40]: 0x809EDD7B 0x0040EA78 0x00437544 0x00429428 [43798.410527] ath10k_pci 0000:05:00.0: [44]: 0x809EB6A6 0x0040EA98 0x00437544 0x00000001 [43798.410541] ath10k_pci 0000:05:00.0: [48]: 0x80911210 0x0040EAE8 0x00000010 0x004041D0 [43798.410555] ath10k_pci 0000:05:00.0: [52]: 0x80911154 0x0040EB28 0x00400000 0x00000000 [43798.410569] ath10k_pci 0000:05:00.0: [56]: 0x8091122D 0x0040EB48 0x00000000 0x00400600 [43798.410580] ath10k_pci 0000:05:00.0: Copy Engine register dump: [43798.410609] ath10k_pci 0000:05:00.0: [00]: 0x00034400 5 5 3 3 [43798.410637] ath10k_pci 0000:05:00.0: [01]: 0x00034800 26 26 327 328 [43798.410666] ath10k_pci 0000:05:00.0: [02]: 0x00034c00 16 16 15 16 [43798.410694] ath10k_pci 0000:05:00.0: [03]: 0x00035000 29 29 30 29 [43798.410723] ath10k_pci 0000:05:00.0: [04]: 0x00035400 2767 2767 169 105 [43798.410750] ath10k_pci 0000:05:00.0: [05]: 0x00035800 0 0 0 0 [43798.410777] ath10k_pci 0000:05:00.0: [06]: 0x00035c00 25 25 25 25 [43798.410805] ath10k_pci 0000:05:00.0: [07]: 0x00036000 1 1 1 1 [43798.521863] ieee80211 phy0: Hardware restart was requested [43799.226364] ath10k_pci 0000:05:00.0: device successfully recovered [43929.850037] wlp5s0: AP 18:0f:76:8d:56:b4 changed bandwidth, new config is 2412 MHz, width 1 (2412/0 MHz) [43967.592805] wlp5s0: deauthenticating from 18:0f:76:8d:56:b4 by local choice (Reason: 3=DEAUTH_LEAVING) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1730331 Title: ath10k_pci: firmware crashed! Status in linux package in Ubuntu: Confirmed Status in linux-firmware package in Ubuntu: Confirmed Status in linux-firmware package in Fedora: Unknown Bug description: ... Nov 4 18:35:50 akane kernel: [ 10.216896] ath10k_pci 0000:04:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043222ff sub 0000:0000 Nov 4 18:35:50 akane kernel: [ 10.216908] ath10k_pci 0000:04:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0 Nov 4 18:35:50 akane kernel: [ 10.217641] ath10k_pci 0000:04:00.0: firmware ver 10.2.4.70.63-2 api 5 features no-p2p,raw-mode,mfp,allows-mesh-bcast crc32 4ff9e14d Nov 4 18:35:50 akane kernel: [ 10.228600] kvm: Nested Virtualization enabled Nov 4 18:35:50 akane kernel: [ 10.228611] kvm: Nested Paging enabled Nov 4 18:35:50 akane kernel: [ 10.258913] ath10k_pci 0000:04:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08 Nov 4 18:35:50 akane kernel: [ 10.263535] MCE: In-kernel MCE decoding enabled. Nov 4 18:35:50 akane kernel: [ 10.271401] EDAC amd64: Node 0: DRAM ECC enabled. Nov 4 18:35:50 akane kernel: [ 10.271416] EDAC amd64: F16h_M30h detected (node 0). Nov 4 18:35:50 akane kernel: [ 10.271491] EDAC MC: DCT0 chip selects: Nov 4 18:35:50 akane kernel: [ 10.271494] EDAC amd64: MC: 0: 4096MB 1: 0MB Nov 4 18:35:50 akane kernel: [ 10.271523] EDAC amd64: MC: 2: 0MB 3: 0MB Nov 4 18:35:50 akane kernel: [ 10.271526] EDAC amd64: MC: 4: 0MB 5: 0MB Nov 4 18:35:50 akane kernel: [ 10.271528] EDAC amd64: MC: 6: 0MB 7: 0MB Nov 4 18:35:50 akane kernel: [ 10.271530] EDAC MC: DCT1 chip selects: Nov 4 18:35:50 akane kernel: [ 10.271532] EDAC amd64: MC: 0: 0MB 1: 0MB Nov 4 18:35:50 akane kernel: [ 10.271534] EDAC amd64: MC: 2: 0MB 3: 0MB Nov 4 18:35:50 akane kernel: [ 10.271537] EDAC amd64: MC: 4: 0MB 5: 0MB Nov 4 18:35:50 akane kernel: [ 10.271539] EDAC amd64: MC: 6: 0MB 7: 0MB Nov 4 18:35:50 akane kernel: [ 10.271541] EDAC amd64: using x4 syndromes. Nov 4 18:35:50 akane kernel: [ 10.271542] EDAC amd64: MCT channel count: 1 Nov 4 18:35:50 akane kernel: [ 10.271829] EDAC MC0: Giving out device to module amd64_edac controller F16h_M30h: DEV 0000:00:18.3 (INTERRUPT) Nov 4 18:35:50 akane kernel: [ 10.271892] EDAC PCI0: Giving out device to module amd64_edac controller EDAC PCI controller: DEV 0000:00:18.2 (POLLED) Nov 4 18:35:50 akane kernel: [ 10.271894] AMD64 EDAC driver v3.5.0 Nov 4 18:35:50 akane kernel: [ 10.532131] EXT4-fs (sdc1): mounted filesystem with ordered data mode. Opts: errors=remount-ro Nov 4 18:35:50 akane kernel: [ 10.575859] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: errors=remount-ro Nov 4 18:35:50 akane kernel: [ 11.397803] ath10k_pci 0000:04:00.0: firmware crashed! (uuid f75dd562-d1bb-40a7-8454-fdc5f86cb8aa) Nov 4 18:35:50 akane kernel: [ 11.407389] ath10k_pci 0000:04:00.0: qca988x hw2.0 target 0x4100016c chip_id 0x043222ff sub 0000:0000 Nov 4 18:35:50 akane kernel: [ 11.407395] ath10k_pci 0000:04:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0 Nov 4 18:35:50 akane kernel: [ 11.408085] ath10k_pci 0000:04:00.0: firmware ver 10.2.4.70.63-2 api 5 features no-p2p,raw-mode,mfp,allows-mesh-bcast crc32 4ff9e14d Nov 4 18:35:50 akane kernel: [ 11.408148] ath10k_pci 0000:04:00.0: board_file api 1 bmi_id N/A crc32 bebc7c08 Nov 4 18:35:50 akane kernel: [ 11.408156] ath10k_pci 0000:04:00.0: htt-ver 0.0 wmi-op 5 htt-op 2 cal otp max-sta 128 raw 0 hwcrypto 1 Nov 4 18:35:50 akane kernel: [ 11.410197] ath10k_pci 0000:04:00.0: firmware register dump: Nov 4 18:35:50 akane kernel: [ 11.416213] ath10k_pci 0000:04:00.0: [00]: 0x4100016C 0x000015B3 0x009BFF84 0x00955B31 Nov 4 18:35:50 akane kernel: [ 11.424559] ath10k_pci 0000:04:00.0: [04]: 0x009BFF84 0x00060130 0x00000013 0x00000000 Nov 4 18:35:50 akane kernel: [ 11.432767] ath10k_pci 0000:04:00.0: [08]: 0x009C8EA4 0x00007170 0x00000001 0x00435300 Nov 4 18:35:50 akane kernel: [ 11.441059] ath10k_pci 0000:04:00.0: [12]: 0x00000009 0x00000000 0x00958360 0x0095836B Nov 4 18:35:50 akane kernel: [ 11.449397] ath10k_pci 0000:04:00.0: [16]: 0x00958080 0x0094078E 0x00000000 0x00000000 Nov 4 18:35:50 akane kernel: [ 11.457686] ath10k_pci 0000:04:00.0: [20]: 0x409BFF84 0x0040AB44 0x004101E0 0x0000000C Nov 4 18:35:50 akane kernel: [ 11.466132] ath10k_pci 0000:04:00.0: [24]: 0x809BFE1C 0x0040ABA4 0x00000006 0xC09BFF84 Nov 4 18:35:50 akane kernel: [ 11.474583] ath10k_pci 0000:04:00.0: [28]: 0x8098E907 0x0040ABD4 0x009C8E7C 0x0000016B Nov 4 18:35:50 akane kernel: [ 11.482902] ath10k_pci 0000:04:00.0: [32]: 0x8098FD3B 0x0040ABF4 0x004209EC 0x00420B0C Nov 4 18:35:50 akane kernel: [ 11.491150] ath10k_pci 0000:04:00.0: [36]: 0x8098A7DA 0x0040AC34 0x00420AA0 0x004062DC Nov 4 18:35:50 akane kernel: [ 11.499362] ath10k_pci 0000:04:00.0: [40]: 0x80988785 0x0040AC94 0x00410760 0x00400000 Nov 4 18:35:50 akane kernel: [ 11.507630] ath10k_pci 0000:04:00.0: [44]: 0x8098AEC8 0x0040AD44 0x00410760 0x00000001 Nov 4 18:35:50 akane kernel: [ 11.516006] ath10k_pci 0000:04:00.0: [48]: 0x809B67C4 0x0040AD84 0x00410760 0x00411344 Nov 4 18:35:50 akane kernel: [ 11.524305] ath10k_pci 0000:04:00.0: [52]: 0x809B293C 0x0040ADA4 0x00400000 0x00416FA4 Nov 4 18:35:50 akane kernel: [ 11.532748] ath10k_pci 0000:04:00.0: [56]: 0x809C0C3D 0x0040ADE4 0x0040AE08 0x00412118 Nov 4 18:35:50 akane kernel: [ 11.541095] ath10k_pci 0000:04:00.0: Copy Engine register dump: Nov 4 18:35:50 akane kernel: [ 11.547452] ath10k_pci 0000:04:00.0: [00]: 0x00057400 0 0 3 3 Nov 4 18:35:50 akane kernel: [ 11.554384] ath10k_pci 0000:04:00.0: [01]: 0x00057800 3 3 8 9 Nov 4 18:35:50 akane kernel: [ 11.561196] ath10k_pci 0000:04:00.0: [02]: 0x00057c00 1 1 0 1 Nov 4 18:35:50 akane kernel: [ 11.567903] ath10k_pci 0000:04:00.0: [03]: 0x00058000 1 1 2 1 Nov 4 18:35:50 akane kernel: [ 11.574837] ath10k_pci 0000:04:00.0: [04]: 0x00058400 0 0 40 0 Nov 4 18:35:50 akane kernel: [ 11.581753] ath10k_pci 0000:04:00.0: [05]: 0x00058800 0 0 0 0 Nov 4 18:35:50 akane kernel: [ 11.588573] ath10k_pci 0000:04:00.0: [06]: 0x00058c00 0 0 0 0 Nov 4 18:35:50 akane kernel: [ 11.595230] ath10k_pci 0000:04:00.0: [07]: 0x00059000 0 0 0 0 Nov 4 18:35:50 akane kernel: [ 11.771390] audit: type=1400 audit(1509816949.536:2): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/sbin/tcpdump" pid=666 comm="apparmor_parser" Nov 4 18:35:50 akane kernel: [ 12.102917] audit: type=1400 audit(1509816949.868:3): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=667 comm="apparmor_parser" Nov 4 18:35:50 akane kernel: [ 12.105017] audit: type=1400 audit(1509816949.870:4): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=667 comm="apparmor_parser" Nov 4 18:35:50 akane kernel: [ 12.106804] audit: type=1400 audit(1509816949.872:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-helper" pid=667 comm="apparmor_parser" Nov 4 18:35:50 akane kernel: [ 12.108462] audit: type=1400 audit(1509816949.873:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=667 comm="apparmor_parser" Nov 4 18:35:50 akane kernel: [ 12.635016] ip_tables: (C) 2000-2006 Netfilter Core Team Nov 4 18:35:50 akane kernel: [ 12.668168] nf_conntrack version 0.5.0 (16384 buckets, 65536 max) Nov 4 18:35:50 akane kernel: [ 13.002272] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready Nov 4 18:35:53 akane kernel: [ 15.928771] igb 0000:03:00.0 enp3s0: igb: enp3s0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX Nov 4 18:35:53 akane kernel: [ 16.036516] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready Nov 4 18:35:54 akane kernel: [ 16.604191] ath10k_pci 0000:04:00.0: wmi unified ready event not received Nov 4 18:35:54 akane kernel: [ 16.694629] ath10k_pci 0000:04:00.0: could not init core (-110) Nov 4 18:35:54 akane kernel: [ 16.700905] ath10k_pci 0000:04:00.0: could not probe fw (-110) Nov 4 18:35:54 akane kernel: [ 16.720168] ath10k_pci 0000:04:00.0: cannot restart a device that hasn't been started Nov 4 18:36:04 akane kernel: [ 25.934360] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. ... flag@akane:~$ dpkg -l | grep linux-image-4.13 ii linux-image-4.13.0-16-generic 4.13.0-16.19 amd64 Linux kernel image for version 4.13.0 on 64 bit x86 SMP flag@akane:~$ dpkg -l | grep linux-firm ii linux-firmware 1.169 all Firmware for Linux kernel drivers the interesting part is that, at the moment, i'm back to a 4.4. kernel (4.4.0-98-generic #121) and linux-firmware 1.169 works fine with it. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1730331/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
