This Ubuntu bug discusses the issue for 3.13. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450584
Please note that later kernel 4.0 versions exhibit similar issues, search this mailinglist for specifics on that new regression. I gave up on investigating further due to other obligations and the complexity of the subject matter. Op 17 sep. 2015 11:49 schreef "Greg Young" <gregoryyou...@gmail.com>: > 3.13.0-63-generic does not have the issue as well. > > I guess our mitigation will just be to know about the issue and > suggest downgrade/upgrade. This may however be useful for others in > the future. Mono 3.12.1 on 3.13.0-46-generic #77-Ubuntu SMP appears to > not be stable. We will also test mono4 now. > > Greg > > On Thu, Sep 17, 2015 at 11:38 AM, Greg Young <gregoryyou...@gmail.com> > wrote: > > We are running into some interesting regressions with mono. We are > > seeing many failures such as: > > > > Mono v3.12.1 (we have considered moving up to 4.1 or 4.2 but the last > > time we tested it didn't seem safe to move). > > > > Native stacktrace: > > > > /home/ubuntu/EventStore-OSS-Ubuntu-v3.2.1/eventstored() [0x609a4f] > > /home/ubuntu/EventStore-OSS-Ubuntu-v3.2.1/eventstored() [0x5bdecf] > > /home/ubuntu/EventStore-OSS-Ubuntu-v3.2.1/eventstored() [0x453b19] > > /lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fd9709b7340] > > /home/ubuntu/EventStore-OSS-Ubuntu-v3.2.1/eventstored() [0x4e6145] > > [0x40e21ceb] > > > > > > [03041,21,13:43:11.379] Global Unhandled Exception occurred. > > Object reference not set to an instance of an object > > [ERROR] FATAL UNHANDLED EXCEPTION: System.NullReferenceException: > > Object reference not set to an instance of an object > > at EventStore.Core.Bus.QueuedHandlerAutoReset.ReadFromQueue > > (System.Object o) [0x00000] in <filename unknown>:0 > > at System.Threading.Thread.StartInternal () [0x00000] in <filename > unknown>:0 > > > > note that this isn't a real nre > > > > We do not see these regressions in Linux ip-172-31-37-60 > > 3.13.0-46-generic #77-Ubuntu SMP > > > > We do see them in Linux ip-172-31-40-115 3.13.0-48-generic #80-Ubuntu SMP > > > > Anyone have any ideas how to debug this further? These are not > > deterministic issues. > > > > Cheers, > > > > Greg > > > > -- > > Studying for the Turing test > > > > -- > Studying for the Turing test > _______________________________________________ > Mono-devel-list mailing list > Mono-devel-list@lists.ximian.com > http://lists.ximian.com/mailman/listinfo/mono-devel-list >
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