[gecode-users] Multiple thread lock error
Christian Schulte
cschulte at kth.se
Wed Sep 26 11:58:09 CEST 2012
Hi Chris & Vera,
Could any of you try to locate (with a breakpoint in a debugger) when this
occurs. I have a suspicion but cannot confirm this on my Windows box.
Thanks!
Christian
--
Christian Schulte, www.ict.kth.se/~cschulte/
-----Original Message-----
From: users-bounces at gecode.org [mailto:users-bounces at gecode.org] On Behalf
Of Vera Mersheeva
Sent: Monday, September 17, 2012 10:43 AM
To: users at gecode.org
Subject: Re: [gecode-users] Multiple thread lock error
Chris Mears <chris.mears at ...> writes:
>
> Hello all,
>
> Sometimes when running an example (e.g. ./bibd -threads 4) with more
> than one thread I provoke this error at the end:
>
> terminate called after throwing an instance of
'Gecode::OperatingSystemError'
>
> ... or sometimes this one:
>
> terminate called after throwing an instance of
'Gecode::OperatingSystemError'
> what(): Mutex::acquire[pthread_mutex_lock]: Operating system error
> Aborted
>
> It happens only some of the time, with Gecode 3.4.0 and with the trunk
> version, on Debian Linux with kernel version 2.6.32.
>
> Is this a serious error? It still seems to give the right answer
> before it prints the error.
>
> Cheers,
> Chris
>
Hello!
I have faced the same problem. Do you know what may cause it?
Sincerelly,
Vera
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