This bug was fixed in the package linux - 3.13.0-58.97
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linux (3.13.0-58.97) trusty; urgency=low
[ Brad Figg ]
* Release Tracking Bug
- LP: #1472453
[ Upstream Kernel Changes ]
* vm: Fix incomplete backport of VM_FAULT_SIGSEGV handling support
- LP: #1471892
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.
If verification is not done by 5 working days from
I confirmed that the bug is no longer peresent when using linux-
image-3.13.0-58-generic_3.13.0-58.97_amd64 from trusty-proposed, using
the reproduction instructions from #2.
Thanks!
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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You received this bug
Apologies for the delay on this, I've been travelling. Thanks Chris
others for following up. We've locally cherry-picked this patch and
confirmed it fixes our issue, happy to test again with an official deb
if someone can point me at that.
Local reproduction instructions:
- Install Ubuntu
** Changed in: linux (Ubuntu Trusty)
Status: In Progress = Fix Committed
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https://bugs.launchpad.net/bugs/1466135
Title:
nf_conntrack releases a conntrack with non-zero refcnt
** Description changed:
[Impact]
Occasionally starting new containers or creating new net namespaces may soft
lockup because of improper refcounting of conntrack entires.
- Softlockup backtrace:
- [81723b69] schedule_preempt_disabled+0x29/0x70
- [817259d5]
SRU Patch sent to Ubuntu kernel-team ML.
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1466135
Title:
nf_conntrack releases a conntrack with non-zero refcnt
To manage notifications about this bug
** Description changed:
[Impact]
- Occasionally starting new containers or creating new net namespaces may fail
because of improper refcounting of conntrack entires.
+ Occasionally starting new containers or creating new net namespaces may soft
lockup because of improper refcounting of
