Public bug reported:
We just suffered a string of kernel oopses followed by a crash on one of
our login servers. I've attached the log messages recorded by our
syslog server. Shortly after these messages were produced, the server
went dead to the network (our monitoring system detected this at
10:13:24) and when checked its display was blank and could not be woken
up.
Unfortunately, we don't know how to reproduce this problem, but it seems
to have occurred while a user was logging in. We use a customised CIFS
module to mount users' home directories, but the crash occurred before
the user's home directory was mounted, so we don't think that's the
cause of the problem.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: kernel-oops
** Attachment added: "syslog messages from kernel oops."
https://bugs.launchpad.net/bugs/1064337/+attachment/3389241/+files/snap-oops-20121009
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https://bugs.launchpad.net/bugs/1064337
Title:
Oops: unable to handle kernel paging request at 00007d7d; EIP
__kmalloc_track_caller+0xab/0x1d0
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