[ClusterLabs] libqb 0.17.1 - segfault at 1b8

Jan Pokorný jpokorny at redhat.com
Mon May 2 20:45:32 UTC 2016


Hello Radoslaw,

On 02/05/16 11:47 -0500, Radoslaw Garbacz wrote:
> When testing pacemaker I encountered a start error, which seems to be
> related to reported libqb segmentation fault.
> - cluster started and acquired quorum
> - some nodes failed to connect to CIB, and lost membership as a result
> - restart solved the problem
> 
> Segmentation fault reports libqb library in version 0.17.1, a standard
> package provided for CentOS.6.

Chances are that you are running into this nasty bug:
https://bugzilla.redhat.com/show_bug.cgi?id=1114852

> Please let me know if the problem is known, and if  there is a remedy (e.g.
> using the latest libqb).

Try libqb >= 0.17.2.

[...]

> Logs from /var/log/messages:
> 
> Apr 22 15:46:41 (...) pacemakerd[111190]:   notice: Additional logging
> available in /var/log/pacemaker.log
> Apr 22 15:46:41 (...) pacemakerd[111190]:   notice: Configured corosync to
> accept connections from group 498: Library error (2)

IIRC, that last line ^ was one of the symptoms.

-- 
Jan (Poki)
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