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- cosmic' to 'verification-done-cosmic'. If the problem still exists, change the tag 'verification-needed-cosmic' to 'verification-failed- cosmic'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: verification-needed-cosmic -- You received this bug notification because you are a member of Kernel 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: Triaged Status in linux source package in Bionic: Fix Committed Status in linux source package in Cosmic: Fix Committed 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
