** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Disco)
Status: Confirmed => Fix Committed
** Changed in: linux (Ubuntu Eoan)
Status: Confirmed => In Progress
** Changed in: linux (Ubuntu Eoan)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1852432
Title:
i40e: Setting VF MAC address causes General Protection Fault
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Disco:
Fix Committed
Status in linux source package in Eoan:
Fix Committed
Status in linux source package in Focal:
Confirmed
Bug description:
[Impact]
* Creating SR-IOV enabled VMs in Openstack can sometimes trigger the GPF and
leave system unusable
[Test Case]
* Continuously spin up VFs and set MAC address with e.g. ifconfig
[Fix]
* The fix updates the VSI pointer passed down to i40e_set_vf_mac function()
if the adapter is still in reset, preventing the GPF.
[Regression Potential]
* Regression potential should be low, as we're now updating the VSI using
the ID stored in the VF pointer
* Regressions could arise from issues in VF creation or reset, as that would
corrupt the new VSI pointer
* Patch was validated and tested in a production environment
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