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Re: guile under gdb crashing on Unbuntu 22.04

From: Andrew Burgess
Subject: Re: guile under gdb crashing on Unbuntu 22.04
Date: Fri, 06 May 2022 09:47:20 +0100

Matt Wette <> writes:

> Hi All,
> I have no clue what is going on here but wondering if others are seeing it.
> I recently installed Ubuntu 22.04, then recompiled guile-3.0.8.
> It crashes running withing gdb, runs fine otherwise:
> $ meta/gdb-uninstalled-guile
> GNU gdb (Ubuntu 12.0.90-0ubuntu1) 12.0.90
> Copyright (C) 2022 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later 
> <>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law.
> Type "show copying" and "show warranty" for details.
> This GDB was configured as "x86_64-linux-gnu".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <>.
> Find the GDB manual and other documentation resources online at:
>      <>.
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from 
> /home/mwette/proj/guile/guile-3.0.8-build/libguile/.libs/guile...
> (gdb) run
> Starting program: 
> /home/mwette/proj/guile/guile-3.0.8-build/libguile/.libs/guile
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/".
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007ffff7bdd8f2 in GC_find_limit_with_bound () from 
> /lib/x86_64-linux-gnu/
> (gdb) info stack
> #0  0x00007ffff7bdd8f2 in GC_find_limit_with_bound ()
>     from /lib/x86_64-linux-gnu/

This is almost certainly this issue:

which span out into this issue:

which was fixed with this commit:

I'm not sure which version of libgc that fix is in though.


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