[ClusterLabs] corosync dead loop in segfault handler

[Christine Caulfield]

On 11/03/17 01:32, cys wrote:
> At 2017-03-09 18:25:59, "Christine Caulfield" <ccaulfie at redhat.com> wrote:
>> Thanks. Oddly that looks like a totally different incident to the core
>> file we had last time. That seemed to be in a node state transition
>> whereas this is in stable running. The last thing to happen was an IPC
>> connection which indicates that libqb might be possibly involved. I
>> recently identified a bug in libqb that's triggered by using it for
>> multithreaded IPC access, but the only Red Hat software that does that
>> is clvmd and the use pattern in the black box output is not clvmd. So
>> unless you have some custom-written multi-threaded software that uses
>> libcmap extensively (do you?) then I'm none-the-wiser I'm afraid :/
>>
> 
> Sorry. I made a mistake. It's not infloop. Corosync was just consuming a lot cpu.
> And we don't have custom software that uses libcmap.
> 

OK thanks. Did corosync recover from the problem or did you have to
restart it?

Chrissie