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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 2015097
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2015097
Title:
Kernel crash during Mellanox performance testing
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Jammy:
In Progress
Bug description:
[Impact]
* When performance testing using Mellanox driver, an early decrement
within an if condition rather than as a result of an if condition is
causing null pointer crashes.
[Fix]
* Clean cherry-pick from upstream
(https://lore.kernel.org/netdev/20220503044209.622171-10-sae...@nvidia.com/)
[Test Case]
* Compile test
* Boot test
* Performance test
[Where things could go wrong]
* Regression risk is low, localized fix, purely fixes incorrect logic
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