Bug#1110256: Info received (Bug#1110256: linux-image-6.12.38+deb13-amd64: system crash)

From	Salvatore Bonaccorso <carnil@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1110256: Info received (Bug#1110256: linux-image-6.12.38+deb13-amd64: system crash)
Date	2025-08-17 14:00 +0200
Message-ID	<LkKdj-8h7c-3@gated-at.bofh.it> (permalink)
References	(2 earlier) <LfQW5-4WR2-3@gated-at.bofh.it> <Lfh2h-4zBX-1@gated-at.bofh.it> <LfXXA-51ja-5@gated-at.bofh.it> <Lfh2h-4zBX-1@gated-at.bofh.it> <LfXXA-51ja-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Hi

On Mon, Aug 04, 2025 at 05:32:07PM +1000, Joe Knowbody wrote:
> Another crash/freeze, this time I have a little more data.
> 
> I include the log. And the data the netconsole picked at the crash was:
> 
> 
> 11,961,260500704,-;netconsole-setup: Test log message to verify netconsole
> configuration.
> 
> 3,1741,14445450525,-;sd 6:0:0:0: [sdb] Asking for cache data failed
>  SUBSYSTEM=scsi
>  DEVICE=+scsi:6:0:0:0

I see you attached the netconsole over the wireless adapter, if you
have an ethernet NIC, as there were as well some related warnings in
the log, can you please attach the netconsole instread to the ethernet
NIC please?

When triggering the issue please issue as well a Alt+SysRq+t to dump
a list of current tasks and their information to the log.
(on systems where you do not have the SysRq key, it might be the
PrintScreen one). You need to enable as well debugging dumps, so have
to enable it:

echo 8 > /proc/sys/kernel/sysrq

then once you have triggered the crash issue a Alt+SysRq+t  and
provide the log got over the netconsole.

More infomration on SysRq key hacks:
https://docs.kernel.org/admin-guide/sysrq.html

Lastly, since you have a efi system, we might take as well advantage
of logging via pstore. It seems active on your system, so check on
next crash please as well /var/lib/systemd/pstore directory for fresh
crash logs.

For pstore:
https://docs.kernel.org/admin-guide/pstore-blk.html
and systemd-pstore.service(8).

Regards,
Salvatore

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Bug#1110256: Info received (Bug#1110256: linux-image-6.12.38+deb13-amd64: system crash) Salvatore Bonaccorso <carnil@debian.org> - 2025-08-17 14:00 +0200
  Processed: Re: Bug#1110256: Info received (Bug#1110256:  linux-image-6.12.38+deb13-amd64: system crash) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-08-17 14:00 +0200

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