*** This bug is a duplicate of bug 1848921 ***
https://bugs.launchpad.net/bugs/1848921
Also applies to Ubuntu 18.04 with the newest HWE kernel (5.3). This
seems to be a regression in 5.3, 5.0 works fine.
** This bug has been marked a duplicate of bug 1848921
iwlwifi firmware crashes intel 9260ac [8086:2526] subsystem [8086:0010]
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https://bugs.launchpad.net/bugs/1852364
Title:
iwlwifi: Microcode SW error detected
Status in linux-firmware package in Ubuntu:
Confirmed
Bug description:
Hi,
I just had an unresponsive Wifi connexion, and checking the dmesg logs
gave me this:
[53468.634940] iwlwifi 0000:00:14.3: Queue 11 is active on fifo 1 and stuck
for 10000 ms. SW [0, 15] HW [0, 15] FH TRB=0x0c010b000
[53468.635087] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting
0x0.
[53468.635466] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[53468.635471] iwlwifi 0000:00:14.3: Status: 0x00000080, count: 6
[53468.635475] iwlwifi 0000:00:14.3: Loaded firmware version: 46.6bf1df06.0
[53468.635480] iwlwifi 0000:00:14.3: 0x00000084 | NMI_INTERRUPT_UNKNOWN
[53468.635484] iwlwifi 0000:00:14.3: 0x000022F0 | trm_hw_status0
[53468.635488] iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
[53468.635491] iwlwifi 0000:00:14.3: 0x004882DA | branchlink2
[53468.635495] iwlwifi 0000:00:14.3: 0x0047932A | interruptlink1
[53468.635498] iwlwifi 0000:00:14.3: 0x0047932A | interruptlink2
....
It looks like a iwlwifi firmware crash.
See the dmesg log attached.
Thanks.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-firmware 1.183.1
ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
Uname: Linux 5.3.0-19-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 13 02:54:38 2019
Dependencies:
InstallationDate: Installed on 2019-09-26 (47 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: No upgrade log present (probably fresh install)
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