[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

** Changed in: linux (Ubuntu Vivid) Assignee: Chris J Arges (arges) => (unassigned) ** Changed in: linux-lts-utopic (Ubuntu Trusty) Assignee: Chris J Arges (arges) => (unassigned) ** Changed in: linux (Ubuntu Trusty) Assignee: Chris J Arges (arges) => (unassigned) -- You

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

Seems this is a reoccurring issues. Ref. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450584. Opensimulator.org project is still seeing issues with crashes giving a mono-sgen error. http://opensimulator.org/mantis/view.php?id=7519 ** Bug watch added: opensimulator.org/mantis/ #7519

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

Douglas, A reproducer doesn't have to be public if you are willing to verify the bug. I can provide a test build with the identified patch if you'd like. Let me know. --chris -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

Unfortunately, I was able to reproduce my segfault with a kernel version before the parent's bug was introduced. This implies my issue lies somewhere else. I'm pretty sure its something to do with threading in the kernel, but the referenced issue is not this one. ** Changed in: linux (Ubuntu)

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

I have modified the description and status to Incomplete, as I cannot provide an adequate test (that doesn't contain proprietary code) to reproduce the issue at this time. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1493943 Title: Mono reliably crashes on certain multithreaded code in

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

I'll work on getting this SRU'ed to the appropriate releases. Could you please share your test-case for reproducing this issue? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1493943 Title: Mono

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

This is commit referred to: commit 73459e2a1ada09a68c02cc5b73f3116fc8194b3d Author: Paolo Bonzini Date: Thu Apr 23 13:20:18 2015 +0200 x86: pvclock: Really remove the sched notifier for cross-cpu migrations This reverts commits

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

** Description changed: + SRU Justification: + + [Impact] This bug appears to be due to a regression of the fix for: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1450584 Specifically, the edit history for

[Bug 1493943] Re: Mono reliably crashes on certain multithreaded code in 3.13.0-62-generic

Chris: My test case unfortunately depends on an internal application that I am not able to share the code of. At the moment, I am building an older kernel version to test whether the test works properly on it. I will respond once I've determined that the bug I referenced is indeed the same one i'm