I never looked into vivid before. So I didn't know whether the problem
also occurred on vivid.
I've run the testcase for several hours now on the older 3.19.0-16,
without crash.
But on vivid there's a lot more commits on vdso:
http://kernel.ubuntu.com/git/ubuntu/ubuntu-vivid.git/log/arch/x86/vdso
Verified on trusty and utopic, both by myself and several users.
But I haven't been able to reproduce it on an earlier linux-generic-lts-
vivid release. Not sure if a different gcc version is used to compile
vivid, preventing the bug from showing itself. (Considering the original
commit)
I'll run
** Tags removed: verification-needed-trusty verification-needed-utopic
** Tags added: verification-done-trusty verification-done-utopic
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https://bugs.launchpad.net/bugs/145058
I had a couple of users test 3.13.0-54 and 3.16.0-39 proposed.
After more than 24h they haven't experienced a crash whereas before it would
likely crash between minutes to an hour.
Please note we also now confirmed earlier suspicions that the issue
didn't only happen on VMs but also physical syst
As mentioned in my last comment, you'll have to wait for -54.
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https://bugs.launchpad.net/bugs/1450584
Title:
mono occassionally crashes since kernel 3.13.0-48 on multi-cpu
I tested the patches earlier, so it should be good.
But just for the record:
I just pulled the trusty master-next branch, built and tested on the test vm.
The crash doesn't occur for me anymore in the reported scenario.
Atm, it looks like the fix will be in 3.13.0-54 but afaik we have to wait for
** Summary changed:
- mono occassionally crashes since kernel 3.13.0-46 on multi-cpu vm
+ mono occassionally crashes since kernel 3.13.0-48 on multi-cpu vm
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Public bug reported:
Gradually since late March more and more users started to complain about
frequent SIGSEGV crashes in our .net/mono application. Early April I
started to investigate it actively.
After eliminating possible native libraries, and testing various mono
versions I discovered the cr
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