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bug#19883: Correction for backtrace

From: Ludovic Courtès
Subject: bug#19883: Correction for backtrace
Date: Wed, 25 Feb 2015 23:16:15 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

David Kastrup <address@hidden> skribis:

> This is embarrassing: I used the wrong executable in connection with the
> core dump.  With the matching executable, the coredump makes a lot more
> sense:
> #0  0x00000000 in ?? ()
> #1  0x0804aee0 in Smob_base<Family>::mark_trampoline (arg=0x9fbb000)
>     at smobs.tcc:34
> #2  0xb761b2da in ?? () from /usr/lib/libguile-2.0.so.22
> #3  0xb72751f8 in GC_mark_from () from /usr/lib/i386-linux-gnu/libgc.so.1

Could you try commenting out all the SMOB mark functions in LilyPond?

This doesn’t fix the bug, of course, but it’s probably a good
workaround: user-provided mark functions are not needed in Guile 2.0
since libgc scans the whole heap for live pointers.


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