[SRU][F/J:linux-bluefield][PATCH v1 0/2] UBUNTU: SAUCE: mlxbf-gige: Fix kernel panic after reboot

Asmaa Mnebhi asmaa at nvidia.com
Tue Aug 8 14:00:23 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/2030765

SRU Justification:

[Impact]

Previously we fixed 2022370 by modifying the shutdown() function
but that creates a bug which needs to be reverted. It doesnt deinitialize the oob_net0 interface properly after reboot and causes issues for the UEFI OOB driver.

[Fix]

* Revert 2022370 changes
* Instead, just check that "priv" is not NULL.

[Test Case]

* Run the reboot test 1000 times
* Check that there is no kernel panic after reboot
* Check that the UEFI OOB interface gets an ip

[Regression Potential]

* We could still see a kernel panic since it is very intermittent. QA reproduced it once every 350 reboots.



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