Public bug reported:
[Impact]
Sometimes USB hub on Dell TB16 stop working after S3.
[Fix]
Attempt to power cycle USB device when a it's stuck at eSS.Disabled
state, it's basically not recoverable.
[Test]
After applying the patch, USB ports and USB ethernet are still working
after 100 times S3 stress test.
[Regression Potential]
Low. This is a last resort attempt, in most cases this code path won't
be reached.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Disco)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-osp1 (Ubuntu Disco)
Importance: Undecided
Status: Won't Fix
** Affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Affects: linux-oem (Ubuntu Eoan)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-osp1 (Ubuntu Eoan)
Importance: Undecided
Status: Won't Fix
** Tags: oem-priority originate-from-1842413 somerville
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu Disco)
Status: New => Won't Fix
** Changed in: linux-oem (Ubuntu Eoan)
Status: New => Won't Fix
** Changed in: linux-oem-osp1 (Ubuntu Disco)
Status: New => Won't Fix
** Changed in: linux-oem-osp1 (Ubuntu Eoan)
Status: New => Won't Fix
** Tags added: oem-priority originate-from-1842413 somerville
--
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https://bugs.launchpad.net/bugs/1855312
Title:
Fix unusable USB hub on Dell TB16 after S3
Status in HWE Next:
New
Status in linux package in Ubuntu:
New
Status in linux-oem package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
New
Status in linux-oem source package in Bionic:
New
Status in linux-oem-osp1 source package in Bionic:
New
Status in linux source package in Disco:
New
Status in linux-oem source package in Disco:
Won't Fix
Status in linux-oem-osp1 source package in Disco:
Won't Fix
Status in linux source package in Eoan:
New
Status in linux-oem source package in Eoan:
Won't Fix
Status in linux-oem-osp1 source package in Eoan:
Won't Fix
Bug description:
[Impact]
Sometimes USB hub on Dell TB16 stop working after S3.
[Fix]
Attempt to power cycle USB device when a it's stuck at eSS.Disabled
state, it's basically not recoverable.
[Test]
After applying the patch, USB ports and USB ethernet are still working
after 100 times S3 stress test.
[Regression Potential]
Low. This is a last resort attempt, in most cases this code path won't
be reached.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1855312/+subscriptions
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