SRU: Fix kernel xhci hang when resume from S3
Bug #1805344 reported by
AaronMa
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
[Impact]
On some thinkpad laptops, Realtek USB3.0 Card Reader [0bda:0328] reports wrong port status on
Cannon lake PCH USB3.1 xHCI [8086:a36d] after resume from S3, then kernel hang.
[Fix]
Restrict the USB2 resume status check in USB2 roothub to fix hang issue.
[Test Case]
Suspend/resume 30 times OK.
[Regression Potential]
Low, upstream fix cherry-picked.
These 2 patches are already Cc: <email address hidden>, cosmic and future kernel will get these 2 patches.
CVE References
Changed in linux (Ubuntu): | |
status: | Incomplete → Invalid |
Changed in linux (Ubuntu Bionic): | |
status: | New → In Progress |
status: | In Progress → Fix Committed |
tags: | added: cscc |
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This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1805344
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.