4.15 is now available in Bionic. Marking this Fix Released.
** Information type changed from Proprietary to Public
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Bionic)
Status: New => Fix Released
** Changed in: intel
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1676741
Title:
[Bug] Surprise Link down causes the slot to go to a non-stop off/on
Status in intel:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
A surprise link down may retrain very quickly, causing the same slot to
generate a link up event before handling the link down completes.
Since the link is active, the power off work queued from the first link down
will cause a second down event when the power is disabled. The second down
event should be ignored because the slot is already powering off; however, the
"link up" event sets the slot state to POWERON before the event to handle this
is enqueued, making the second down event believe it needs to do something.
This creates a constant link up and down event cycle.
Fix for this issue is still not merged upstream, and they are looking for a
more complex fix. Its still in works.
COMMIT ID TO BE UPDATED.
Target Release: 18.04
Target Kernel: 4.15
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