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bug#29335: 'guix publish' workers occasionally crash

From: Ludovic Courtès
Subject: bug#29335: 'guix publish' workers occasionally crash
Date: Fri, 17 Nov 2017 23:10:39 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux)

address@hidden (Ludovic Courtès) skribis:

> Thread 14 is in scm_readdir, so it holds the terrible
> ‘scm_i_misc_mutex’, but calling SCM_SYSERROR there causes it to try and
> lock it again, leading to a deadlock:
> #3  0x00007f7ee9545969 in scm_dynwind_pthread_mutex_lock 
> (mutex=0x7f7ee97bbfa0 <scm_i_misc_mutex>) at threads.c:1613
> #4  0x00007f7ee94d8dbb in scm_strerror (address@hidden) at error.c:128
> #5  0x00007f7ee94d8e73 in scm_syserror (address@hidden <s_scm_readdir> 
> "readdir") at error.c:169
> #6  0x00007f7ee94e29b4 in scm_readdir (port=#<unmatched-tag 10a77>) at 
> filesys.c:1754

This particular issue is now fixed in Guile:



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