** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
** Changed in: linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1805344
Title:
SRU: Fix kernel xhci hang when resume from S3
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Fix Committed
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 protected], cosmic and
future kernel will get these 2 patches.
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