** Changed in: linux (Ubuntu Jammy)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Mantic)
Status: Confirmed => Fix Committed
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https://bugs.launchpad.net/bugs/2046217
Title:
Some machines can't pass the pm-graph test
Status in linux package in Ubuntu:
Confirmed
Status in linux-hwe-6.5 package in Ubuntu:
New
Status in linux-signed-hwe-6.5 package in Ubuntu:
In Progress
Status in linux source package in Jammy:
Fix Committed
Status in linux-hwe-6.5 source package in Jammy:
New
Status in linux-signed-hwe-6.5 source package in Jammy:
Confirmed
Status in linux source package in Mantic:
Fix Committed
Status in linux-hwe-6.5 source package in Mantic:
New
Status in linux-signed-hwe-6.5 source package in Mantic:
New
Status in linux source package in Noble:
Confirmed
Status in linux-hwe-6.5 source package in Noble:
New
Status in linux-signed-hwe-6.5 source package in Noble:
In Progress
Bug description:
== SRU Justification ==
[Impact]
When iwlwifi firmware causes the WiFi NIC dropped off PCI bus on system
resume, NULL pointer dereference occurs and the system stops working.
[Fix]
Rescan the bus in order to reprobe the device to avoid mac80211 layer
gets messed up.
[Test]
With the fix in place, system keeps working after firmware issue occurs.
Verified with thousand times of suspend.
[Where problems could occur]
If the firmware/hardware is really dead and beyond recoverable, the same
process can be triggered again and again.
== Original bug report ==
During the jammy-hwe migration test, I found some machines failed to run the
pm-graph.
test(https://github.com/canonical/checkbox/blob/main/providers/base/units/stress/jobs.pxu#L604)
One of machine when I rerun it locally, it passed, but others are
still failed.
Following are the machines failed to run pm-graph.
https://certification.canonical.com/hardware/202005-27899/
https://certification.canonical.com/hardware/201702-25401/
https://certification.canonical.com/hardware/202002-27718/
https://certification.canonical.com/hardware/201711-25989/
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.5.0-14-generic 6.5.0-14.14~22.04.1
ProcVersionSignature: Ubuntu 6.5.0-14.14~22.04.1-generic 6.5.3
Uname: Linux 6.5.0-14-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: pass
CloudArchitecture: x86_64
CloudID: maas
CloudName: maas
CloudPlatform: maas
CloudSubPlatform: seed-dir (http://10.102.156.25:5248/MAAS/metadata/)
Date: Tue Dec 12 02:48:24 2023
InstallationDate: Installed on 2023-02-22 (293 days ago)
InstallationMedia: Ubuntu 22.04.2 LTS "Jammy Jellyfish" - Release amd64
(20230217.1)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: linux-signed-hwe-6.5
UpgradeStatus: No upgrade log present (probably fresh install)
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