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Date:      Fri, 18 Mar 2016 03:30:51 +0200
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        "Oleg V. Nauman" <oleg@opentransfer.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Fatal error 'mutex is on list' at line 139 in file /usr/src/lib/libthr/thread/thr_mutex.c (errno = 35)
Message-ID:  <20160318013051.GT1741@kib.kiev.ua>
In-Reply-To: <5093647.qxI0C33PyG@asus.theweb.org.ua>
References:  <5093647.qxI0C33PyG@asus.theweb.org.ua>

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On Thu, Mar 17, 2016 at 09:40:11PM +0200, Oleg V. Nauman wrote:
> 
>  I'm experiencing issue with threaded applications ( including many KDE 
> applications ) after recent CURRENT update. Attempt to start application cause 
> Abort trap (6) with "Fatal error 'mutex is on list' at line 139 in file 
> /usr/src/lib/libthr/thread/thr_mutex.c (errno = 35)" output on console. 
> 
> FreeBSD 11.0-CURRENT amd64 r296887
> 
> Backtrace from application looks like
> 
> Application: KGpg (kgpg), signal: Abort trap
> [Switching to Thread 810815000 (LWP 100865/kgpg)]
> [KCrash Handler]
> #8  0x0000000807176d6a in thr_kill () from /lib/libc.so.7
> #9  0x0000000807176d3b in __raise (s=6) at /usr/src/lib/libc/gen/raise.c:52
> #10 0x0000000807176ca9 in abort () at /usr/src/lib/libc/stdlib/abort.c:65
> #11 0x0000000806e9e62c in _thread_exit (fname=<value optimized out>, 
> lineno=<value optimized out>, msg=<value optimized out>) at 
> /usr/src/lib/libthr/thread/thr_exit.c:182
> #12 0x0000000806e996fc in mutex_lock_common (m=<value optimized out>, 
> abstime=<value optimized out>, cvattach=<value optimized out>) at 
> /usr/src/lib/libthr/thread/thr_mutex.c:139
> #13 0x0000000806e98c20 in __pthread_mutex_timedlock (mutex=0x814600008, 
> abstime=0x7fffffff5a58) at /usr/src/lib/libthr/thread/thr_mutex.c:566

>From the frame 13, please do
p *mutex
p *m
p **mutex

What non-KDE apps exhibit the behaviour ?



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