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bug#40790: OOM error in graphical installer tests.
From: |
Ludovic Courtès |
Subject: |
bug#40790: OOM error in graphical installer tests. |
Date: |
Thu, 30 Apr 2020 23:10:05 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hi,
Mathieu Othacehe <address@hidden> skribis:
>> Can we throw a little bit more memory at it? :-)
>
> That's what I did with ae1a0f758 :)
Oh, good.
Next we should of course find out why ‘guix system init’ is consuming so
much memory. I haven’t tried GC-profiling that yet, but here’s a rough
figure:
--8<---------------cut here---------------start------------->8---
$ GUIX_PROFILING=gc GUIX_PROFILING_EVENTS=exit guix system build -d --no-grafts
gnu/system/examples/desktop.tmpl
/gnu/store/2by26x4pvvp9vi1f0lmrq39wqqkj0s0f-system.drv
Garbage collection statistics:
heap size: 98.80 MiB
allocated: 548.35 MiB
GC times: 26
time spent in GC: 1.84 seconds (36% of user time)
$ guix describe
Generacio 140 Apr 29 2020 19:43:22 (nuna)
guix 19987f5
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 19987f5efe0acb65918802681f3a18cbb6a07c2a
--8<---------------cut here---------------end--------------->8---
So at first sight, it’s surprising that it couldn’t fit in the VM with
800 MiB of RAM. Oh well, we’ll see!
Nitpick: please include the canonical bug URL in commit logs rather
than a link to the mailing list, like so:
Fixes <https://bugs.gnu.org/40790>.
That makes it easier to grep for fixed bugs.
> I didn't have the courage to bisect it, given how long this test
> is. Fixing it, I discovered two more issues:
>
> * "sherpherd services" test was failing because a wrong swap device was
> used (fixed with be3abf28a).
Good catch!
> * I have some hangs when doing the final testing in marionette. Still
> trying to understand why.
Oh.
Thank you!
Ludo’.