** Changed in: linux (Ubuntu Plucky)
Status: New => Invalid
** Changed in: linux (Ubuntu Questing)
Status: New => Invalid
** Changed in: linux (Ubuntu Noble)
Status: New => Triaged
** Changed in: linux (Ubuntu Noble)
Assignee: (unassigned) => Canonical Kernel Team (canonical-kernel-team)
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https://bugs.launchpad.net/bugs/2112634
Title:
nvme downgrade due to PCIe link training failure
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Noble:
Triaged
Status in linux source package in Oracular:
Won't Fix
Status in linux source package in Plucky:
Invalid
Status in linux source package in Questing:
Invalid
Bug description:
During NVME hot plug testing, some slot (in random) would be in
downgrade speed on Ubuntu 24.04 even on latest v6.8.0-60. Same test
for 22.04 works well.
Similar issue was found on RHEL9.4 too and analyze and fix patch are below:
commit of a89c82249c37 introduce this bug;
Whitley platfrom fix: dffe4cca2e36
Eagle Stream/Birch fix: d857ff7acaf2
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