Public bug reported:
[Impact]
PS/2 ports on PS/2 Serial add-in card do not work after S3.
[Fix]
The i8042 controller selftest fails while resuming, adding retry fix this issue.
[Test]
Verified on the target machine, the ps/2 keyboard keeps working after S3 test
30 times.
[Regression Potential]
Low, there is a retry logic in controller selftest, but it returns directly if
it fails to communicate with the controller. This commit make it retry 5 times
before return fails.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: In Progress
** Affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided
Status: In Progress
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: In Progress
** Tags: oem-priority originate-from-1859935 somerville
** Patch added: "0001-Input-i8042-Fix-the-selftest-retry-logic.patch"
https://bugs.launchpad.net/bugs/1866734/+attachment/5335048/+files/0001-Input-i8042-Fix-the-selftest-retry-logic.patch
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: linux (Ubuntu Bionic)
** No longer affects: linux-oem-osp1 (Ubuntu Focal)
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux-oem-osp1 (Ubuntu)
Status: New => Invalid
** Tags added: oem-priority originate-from-1859935 somerville
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https://bugs.launchpad.net/bugs/1866734
Title:
All PS/2 ports on PS/2 Serial add-in bracket are not working after S3
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