bug#34427: guile-bootstrap@2.2 segfault?

[zimoun]

Hi Efraim,

On Fri, 15 Apr 2022 at 09:45, Ludovic Courtès <ludo@gnu.org> wrote:

>>> The problem has to do specifically with powerpc-linux-gnu (this is with
>>> transparent emulation via QEMU+binfmt_misc):
>>>
>>> --8<---------------cut here---------------start------------->8---
>>> $ unshare -mrf chroot $(guix build guile-static-stripped 
>>> --target=powerpc-linux-gnu) /bin/guile
>>> guile: warning: failed to install locale
>>> GC Warning: pthread_getattr_np or pthread_attr_getstack failed for main 
>>> thread
>>> GC Warning: Couldn't read /proc/stat
>>> Pre-boot error; key: wrong-type-arg, args: (#f "Wrong type to apply: ~S" 
>>> (#f) (#f))qemu: uncaught target signal 6 (Aborted) - core dumped
>>> Aborted
>>> --8<---------------cut here---------------end--------------->8---
>>>
>>> Unfortunately I fail to get a backtrace from that core dump.
>>>
>>> Efraim, could you get a backtrace on the bare metal?
>
> Sorry I wasn’t clear; could you get a backtrace from GDB, as in:
>
>   …/bin/guile
>   # segfault
>   gdb …/bin/guile core
>
> and then at the GDB prompt:
>
>   bt

Efraim, friendly ping. :-)


Cheers,
simon