GNU bug report logs - #53712
Guix System hangs after boot with linux-libre 5.15.17

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Leo Famulari <leo <at> famulari.name>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#53712: closed (Guix System hangs after boot with linux-libre
 5.15.17)
Date: Thu, 24 Feb 2022 15:09:04 +0000

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Your message dated Thu, 24 Feb 2022 10:08:38 -0500
with message-id <Yhefdlj/hJXxEoV9 <at> jasmine.lan>
and subject line Re: bug#53712: Guix System hangs after boot with linux-libre 5.15.17
has caused the debbugs.gnu.org bug report #53712,
regarding Guix System hangs after boot with linux-libre 5.15.17
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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53712: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=53712
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From: Leo Famulari <leo <at> famulari.name>
To: bug-guix <at> gnu.org
Subject: Guix System hangs after boot with linux-libre 5.15.17
Date: Tue, 1 Feb 2022 15:39:27 -0500

Guix System on x86_64 hangs after boot when reconfigured to use
linux-libre 5.15.17.

The system becomes unresponsive to keyboard input after boot. Sometimes
it reaches the login prompt, sometimes not. Services that take a while
to start, typically finishing after the prompt is displayed, do not
ever start.

I bisected and confirmed that the problem is introduced in Guix Git
commit aad96ed54070 "gnu: linux-libre: Update to 5.15.17."

I could not reproduce the problem with `guix system vm [...]`. Maybe
this means that the problem only occurs after reconfiguring, rather than
a fresh system, or maybe it just doesn't occur at all in a KVM VM.

I'll try with 5.15.18 and the 5.10 series. We are still unable to deploy
linux-libre 5.16 for Guix System users due to this bug:

https://issues.guix.gnu.org/53554

[Message part 3 (message/rfc822, inline)]

From: Leo Famulari <leo <at> famulari.name>
To: Squirrel via Bug reports for GNU Guix <bug-guix <at> gnu.org>
Cc: 53712-done <at> debbugs.gnu.org
Subject: Re: bug#53712: Guix System hangs after boot with linux-libre 5.15.17
Date: Thu, 24 Feb 2022 10:08:38 -0500

On Fri, Feb 11, 2022 at 04:03:03AM +0800, Squirrel via Bug reports for GNU Guix wrote:
> It seems that this is a bug from upstream linux, which may be patched soon.
> Please see https://lore.kernel.org/stable/164448100914.10463.9523338503936670263.kvalo <at> kernel.org/

Good news, this bug has been fixed in the latest group of stable Linux
releases:

5.16.11
5.15.25
5.10.102
5.4.181
4.19.231
4.14.268
4.9.303

For our default release series, 5.15, it was fixed as commit
ddd46059f7d99119b62d44c519df7a79f2e6a515:

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25

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