GNU bug report logs - #78421
Occasional crashes when resuming from software suspend

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: bug-guix <at> gnu.org
Subject: Occasional crashes when resuming from software suspend
Date: Wed, 14 May 2025 10:34:59 +0200

Hello,

With Linux-libre 6.14.5-gnu (commit
300d29e69988caf23684f08effa51f621c7ec083), my laptop occasionally
crashes when resuming from software suspend: blank screen, does not
answer to pings, cannot switch ttys, etc. and hard shutdown is the only
way out.  /var/log/messages shows software suspend but does not contain
a single line corresponding to resuming:

--8<---------------cut here---------------start------------->8---
2025-05-13 20:24:40 localhost elogind[285]: Power key pressed short.
2025-05-13 20:24:40 localhost elogind[285]: Suspending...
2025-05-13 20:24:40 localhost NetworkManager[323]: <info>  [1747160680.7195] manager: sleep: sleep requested (sleeping: no  enabled: yes)
2025-05-13 20:24:40 localhost NetworkManager[323]: <info>  [1747160680.7196] manager: NetworkManager state is now ASLEEP
2025-05-13 20:24:40 localhost e-suspend[24819]: Performing sleep operation 'suspend'...
2025-05-13 20:24:40 localhost linux: [88210.153645] PM: suspend entry (deep)
2025-05-13 23:07:22 localhost linux: [    0.000000] Linux version 6.14.5-gnu (guix <at> guix) (gcc (GCC) 11.4.0, GNU ld (GNU Binutils) 2.41) #1 SMP PREEMPT_DYNAMIC 1
--8<---------------cut here---------------end--------------->8---

This was fine with 6.14.4 (commit
3cdf7bec6b1caa808a7b498ea8ca4596ab1edfeb) and earlier versions.

Ludo’.

Message #8 received at 78421 <at> debbugs.gnu.org (full text, mbox):

From: "Leo Famulari" <leo <at> famulari.name>
To: Ludovic Courtès <ludo <at> gnu.org>, 78421 <at> debbugs.gnu.org
Cc: Wilko Meyer <w <at> wmeyer.eu>
Subject: Re: bug#78421: Occasional crashes when resuming from software suspend
Date: Thu, 15 May 2025 10:56:26 -0400

On Wed, May 14, 2025, at 04:34, Ludovic Courtès wrote:
> With Linux-libre 6.14.5-gnu (commit
> 300d29e69988caf23684f08effa51f621c7ec083), my laptop occasionally
> crashes when resuming from software suspend: blank screen, does not
> answer to pings, cannot switch ttys, etc. and hard shutdown is the only
> way out.  /var/log/messages shows software suspend but does not contain
> a single line corresponding to resuming:


What hardware do you see this on?

On my Thinkpad x260 with an Intel i5, resume stopped working for me in 6.1, and I'm still using 5.15. The failures are not deterministic for me. Sometimes it works.

I found scattered reports about this with no conclusive analysis, so I'm planning to replace the computer before 5.15 becomes unsupported.

Message #11 received at 78421 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: "Leo Famulari" <leo <at> famulari.name>
Cc: Wilko Meyer <w <at> wmeyer.eu>, 78421 <at> debbugs.gnu.org
Subject: Re: bug#78421: Occasional crashes when resuming from software suspend
Date: Thu, 15 May 2025 18:57:11 +0200

Hello,

"Leo Famulari" <leo <at> famulari.name> writes:

> What hardware do you see this on?
>
> On my Thinkpad x260 with an Intel i5, resume stopped working for me in
> 6.1, and I'm still using 5.15. The failures are not deterministic for
> me. Sometimes it works.

It’s on an HP EliteBook Folio 1040 G3/80FA (from 2016).  It’s also
non-deterministic here.

I’ve been using suspend-to-disk more frequently lately, so I wonder if
it could be an aggravating factor.

Ludo’.

Message #14 received at 78421 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: 78421 <at> debbugs.gnu.org
Cc: w <at> wmeyer.eu, leo <at> famulari.name
Subject: Re: bug#78421: Occasional crashes when resuming from software suspend
Date: Wed, 21 May 2025 00:24:04 +0200

Ludovic Courtès <ludo <at> gnu.org> writes:

> With Linux-libre 6.14.5-gnu (commit
> 300d29e69988caf23684f08effa51f621c7ec083), my laptop occasionally
> crashes when resuming from software suspend: blank screen, does not
> answer to pings, cannot switch ttys, etc. and hard shutdown is the only
> way out.  /var/log/messages shows software suspend but does not contain
> a single line corresponding to resuming:

Same problem with 6.14.6-gnu.

Ludo’.

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