[Mono-dev] FW: Random hangs while running mono app

Burkhard Linke blinke at CeBiTec.Uni-Bielefeld.DE
Mon Jun 6 09:10:42 UTC 2016


On 06/03/2016 09:12 PM, George, Glover E ERDC-RDE-ITL-MS CIV wrote:
> I¹ve been trying to reproduce the case where my jobs get a core dump when
> the finalizer doesn¹t return in time, but I¹ve only been able to reproduce
> the previously posted stack trace which causes the job to hang in ³Sl²
> state (using ps).  Posting the stack trace again because I somehow didn¹t
> pasted on of the threads entire stacktrace:
> Rodrigo, can you please follow up on the email I posted about not seeing
> anything in STDOUT/STDERR?  My code doesn¹t seem to make it to where you
> are referring to.
> Burkhard, what file system are you guys using on your cluster?  NFS,
> Gluster, Lustre?
The cluster is using CephFS based on the kernel implementation in for 
accessing data (Ubuntu Xenial kernel backport for Trusty, version 
4.4.0-21). We are currently trying to "resolve" the bug by falling back 
to boehm gc (mono-boehm instead of mono-sgen).


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