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bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-
From: |
Maxim Cournoyer |
Subject: |
bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response. |
Date: |
Thu, 27 May 2021 07:51:01 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hi Marius,
Marius Bakke <marius@gnu.org> writes:
> Maxim Cournoyer <maxim.cournoyer@gmail.com> skriver:
>
>>> Is running ‘guix offload test /etc/guix/machines.scm overdrive1’ on
>>> berlin enough to reproduce the issue? If so, we could monitor/strace
>>> sshd on overdrive1 to get a better understanding of what’s going on.
>>
>> It's actually difficult to trigger it; it seems to happen mostly on the
>> first try after a long time without connecting to the machine; on the
>> 2nd and later tries, everything is smooth. Waiting a few minutes is not
>> enough to re-trigger the problem.
>>
>> I've managed to see the problem a few lucky times with:
>>
>> --8<---------------cut here---------------start------------->8---
>> while true; do guix offload test /etc/guix/machines.scm overdrive1; done
>> --8<---------------cut here---------------end--------------->8---
>
> I used to be able to reproduce it by inducing a high load on the target
> machine and just let Guix keep trying to connect. But now I did that,
> and set overload threshold to 0.0 for good measure, and Guix has been
> waiting patiently for two hours without failure.
>
> So AFAICT this bug has been fixed. Perhaps Berlin or the Overdrive
> simply needs to be updated?
Ah! Do you have root access to overdrive1? It'd be interesting to
reconfigure it to update the guix-daemon and see if the problem
vanishes.
Thanks for the information!
Maxim
- bug#41625: Sporadic guix-offload crashes due to EOF errors, Maxim Cournoyer, 2021/05/24
- bug#41625: [PATCH] offload: Handle a possible EOF response from read-repl-response., Maxim Cournoyer, 2021/05/25
- bug#41625: [PATCH] offload: Handle a possible EOF response from read-repl-response., Ludovic Courtès, 2021/05/25
- bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response., Maxim Cournoyer, 2021/05/25
- bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response., Ludovic Courtès, 2021/05/26
- bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response., Maxim Cournoyer, 2021/05/27
- bug#41625: [PATCH v3] offload: Handle a possible EOF response from read-repl-response., Maxim Cournoyer, 2021/05/27
- bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response., Maxim Cournoyer, 2021/05/27
- bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response., Marius Bakke, 2021/05/26
- bug#41625: [PATCH v2] offload: Handle a possible EOF response from read-repl-response.,
Maxim Cournoyer <=