Public bug reported:
[Impact]
Some USB devices aren't working if they are plugged under system sleep.
[Fix]
Consider xHCI PORTSC CAS bit over other conditions.
[Test]
Plug or re-plug USB devices during system sleep. USB devices always work
after system resume.
[Regression Potential]
There could be devices that depends on the old (but wrong) behavior.
However it's really unlikely and it's against xHCI spec, we can deal
with those quirky devices if any.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: High
Status: Confirmed
** Affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: Won't Fix
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.6 (Ubuntu Focal)
Importance: High
Status: Confirmed
** Tags: oem-priority originate-from-1889734 somerville
** Also affects: linux-oem-5.6 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.6 (Ubuntu)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux-oem-5.6 (Ubuntu Focal)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Tags added: oem-priority originate-from-1889734 somerville
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https://bugs.launchpad.net/bugs/1892678
Title:
Fix non-working USB devices plugged during system sleep
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