GNU bug report logs - #60226
[mumi] fibers-related crash (accept: Too many open files)

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From: Maxim Cournoyer <maxim.cournoyer@HIDDEN>
To: bug-guix <bug-guix@HIDDEN>
Subject: [mumi] fibers-related crash (accept: Too many open files)
Date: Tue, 20 Dec 2022 13:57:06 -0500
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Cc: Ricardo Wurmus <rekado@HIDDEN>, guix-sysadmin <guix-sysadmin@HIDDEN>
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Hello,

MUMI is currently stopped, and the tail of its /var/log/mumi.log says:

--8<---------------cut here---------------start------------->8---
[...]
2022-12-20 19:29:47 GET /apple-touch-icon.png
2022-12-20 19:29:47 GET /favicon.ico
2022-12-20 19:29:47 GET /apple-touch-icon-precomposed.png
2022-12-20 19:29:47 GET /search
2022-12-20 19:30:37 GET Uncaught exception in fiber ##f:
2022-12-20 19:30:37 In fibers/web/server.scm:
2022-12-20 19:30:37     221:4  3 (socket-loop #<input-output: socket 10> #<=
procedure 7f9=E2=80=A6>)
2022-12-20 19:30:37 In ice-9/suspendable-ports.scm:
2022-12-20 19:30:37    733:12  2 (_ #<input-output: socket 10> _)
2022-12-20 19:30:37 In unknown file:
2022-12-20 19:30:37            1 (accept #<input-output: socket 10> 526336)
2022-12-20 19:30:37 In ice-9/boot-9.scm:
2022-12-20 19:30:37   1685:16  0 (raise-exception _ #:continuable? _)
2022-12-20 19:30:37 ice-9/boot-9.scm:1685:16: In procedure raise-exception:
2022-12-20 19:30:37 In procedure accept: Too many open files
--8<---------------cut here---------------end--------------->8---

Perhaps Ricardo or someone else has seen this error before?

I restarted mumi with 'herd restart mumi' on berlin, and it's working again.

--=20
Thanks,
Maxim