Public bug reported:
Ubuntu 14.04.3 LTS
After updating to kernel 3.13.0-77 system crashes.
First, network dies, then the whole system.
There are several kernel crashes in the logs.
--- snip ---
ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be
restarted.
Date: Wed Feb 10 09:20:35 2016
Failure: oops
OopsText:
BUG: soft lockup - CPU#1 stuck for 23s! [smbd:5908]
--- snap ---
Followed by kernel stack traces.
After some investigation, it turned out that the crash can be triggered by
Samba.
It's easily reproducible by running the following commands in the Samba master
branch:
./configure.developer
TDB_NO_FSYNC=1 make -j test FAIL_IMMEDIATELY=1 SOCKET_WRAPPER_KEEP_PCAP=1
TESTS="samba3.raw.composite"
Downgrading to kernel 3.13.0-76 solves this problem.
Please let me know if we can provide more information or help testing.
Thanks!
** Affects: linux-lts-trusty (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1543980
Title:
Kernel 3.13.0-77 crashes (can be triggered by Samba)
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