** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: Confirmed => In Progress
** Description changed:
[Impact]
The system stops responding while entering S3, screen will be lit up if
touchpad is triggered by finger. Cursor could be seen with black background,
but system is not responding to any input.
[Fix]
- https://lkml.org/lkml/2020/5/20/410
- https://lkml.org/lkml/2020/5/20/411
+ b3d71abd135e xhci: Poll for U0 after disabling USB2 LPM
+ f0c472a6da51 xhci: Return if xHCI doesn't support LPM
[test]
With the above patch applied:
4.15.0-1081-oem PASSED (30/30)
bionic PASSED (30/30)
bionic-oem PASSED (30/30)
bionic-oem-osp1 PASSED (30/30)
eoan PASSED (30/30)
focal PASSED (30/30)
focal-oem PASSED (30/30)
ubuntu-unstable PASSED (30/30)
-
[Regression Potential]
[Reproduce Steps]
1. Install dell-bto-bionic-bolt-l-X51-20190720-56.iso
2. Upgrade kernel to 4.15.0-1080-oem
3. Boot the system with 4.15.0-1080-oem kernel
4. Insert SD card
5. Suspend the system to S3
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https://bugs.launchpad.net/bugs/1880519
Title:
System stops responding while entering S3 with SD card installed
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