Public bug reported:
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
** Affects: linux-hwe-6.5 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2112634
Title:
nvme downgrade due to PCIe link training failure
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