-- cosmic testing --
ubuntu@starbuck:~$ uname -a
Linux starbuck 4.18.0-10-generic #11~lp1799281+cosmic.1 SMP Mon Oct 22 21:45:47
UTC 2018 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@starbuck:~$ for i in {1..500}; do sudo modprobe -r ipmi_ssif; sleep 2s ;
sudo modprobe ipmi_ssif || exit; done
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1799281
Title:
[Bionic][Cosmic] ipmi: Fix timer race with module unload
Status in linux package in Ubuntu:
Incomplete
Bug description:
[Impact]
If you attempt to remove and insert the ipmi_ssif module a number of times,
it would result in a kernel panic. This is due to mod_timer from arming a timer
that was already removed by del_timer during module unload.
[Fix]
In linux-next:
0711e8c1b457 ipmi: Fix timer race with module unload
[Test]
-- Test Case --
for i in {1..500}; do sudo modprobe -r ipmi_ssif; sleep 2s ; sudo modprobe
ipmi_ssif || exit; done
----------------
After the patch was applied, no kernel panics were obsereved. Tested on
Cavium ThunderX2.
[Regression Risk]
The patch was applied to bionic and tested tested on a Cavium ThunderX2 and
no regressions were found. Risk of regression none.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1799281/+subscriptions
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