* Help needed: Weird bootstrapping hangs
@ 2024-03-06 16:11 Ekaitz Zarraga
0 siblings, 0 replies; only message in thread
From: Ekaitz Zarraga @ 2024-03-06 16:11 UTC (permalink / raw)
To: help-guix\@gnu.org; +Cc: Jan Nieuwenhuizen
Hi all,
Really weird question here. Beware.
I'm experiencing weird Guix hangs in the bootstrapping packages.
They happen randomly but frequently in:
- Mes' configure script
- Mes' linking of libtcc
- Some other packages' configure scripts (I had it in Binutils but the
package is not published yet)
- When creating a Makefile or a config.log in several packages. Even
after an error appears, they don't stop, they just hang.
The symptoms are the following:
- The stdout of the configure script is just frozen.
- The CPU usage drops, that specific process goes to exactly 20% of CPU
as seen in `htop`.
- If I connect to the running program using strace I see the following
forever, appearing very fast in the screen:
pselect6(4, [3], NULL, NULL, {tv_sec=0, tv_nsec=160000}, NULL) = 0 (Timeout)
wait4(14338, 0x7fffffffc5a0, WNOHANG, NULL) = 0
pselect6(4, [3], NULL, NULL, {tv_sec=0, tv_nsec=160000}, NULL) = 0 (Timeout)
wait4(14338, 0x7fffffffc5a0, WNOHANG, NULL) = 0
pselect6(4, [3], NULL, NULL, {tv_sec=0, tv_nsec=160000}, NULL) = 0 (Timeout)
wait4(14338, 0x7fffffffc5a0, WNOHANG, NULL) = 0
pselect6(4, [3], NULL, NULL, {tv_sec=0, tv_nsec=160000}, NULL) = 0 (Timeout)
wait4(14338, 0x7fffffffc5a0, WNOHANG, NULL) = 0
I've replicated this in a separate RISC-V machine so it's not Qemu.
Does anyone have an idea of what can this be?
We have two suspects:
- Guix
- Gash
I have no idea of how to dig on this further. Yesterday I had the same
hang in both machines' Mes configure scripts but then I added -x to the
`set -e` on the top of the file and both worked, and they keep working
since. Then one of them exploded later... I went to bed and I woke up
with a "Process unresponsive after 3600 seconds" error and I run it
again and it worked and managed to finish.
Some help would be much appreciated.
Thanks,
Ekaitz
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