GNU bug report logs - #61011
‘guix system vm’ spawns QEMU and hangs

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Message #16 received at 61011 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Josselin Poiret <dev <at> jpoiret.xyz>
Cc: 61011 <at> debbugs.gnu.org, Marius Bakke <marius <at> gnu.org>,
 Efraim Flashner <efraim <at> flashner.co.il>, Leo Famulari <leo <at> famulari.name>
Subject: Re: bug#61011: ‘guix system vm’ spawns QEMU and hangs
Date: Mon, 23 Jan 2023 23:21:39 +0100

Hello,

Josselin Poiret <dev <at> jpoiret.xyz> skribis:

> Leo Famulari <leo <at> famulari.name> writes:
>
>> On Sun, Jan 22, 2023 at 10:36:21PM +0100, Ludovic Courtès wrote:
>>>   $(guix time-machine --commit=9923100a42ffa80f604c1c13a5e999e6a4c15146 \
>>>     -- system vm gnu/system/examples/bare-bones.tmpl) -m 1024  # Bad!
>>
>> I can reproduce.
>>
>> It seems to work fine without '-m 1024', in which case it only has 512
>> MB RAM.
>
> This is probably due to the following kernel bug [1], which could be
> related to the khugepaged hangs I'm getting on my system since 6.1.
>
> [1]
> https://lore.kernel.org/kvm/b8017e09-f336-3035-8344-c549086c2340 <at> kernel.org/ 

Ouch.  I’m running 6.1 since January 16th, which is about the time I
first experienced the issue.

Ludo’.

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