This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1855312
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Bionic)
Status: New => Incomplete
** Changed in: linux (Ubuntu Disco)
Status: New => Incomplete
** Changed in: linux (Ubuntu Eoan)
Status: New => Incomplete
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Packages, which is subscribed to linux-oem in Ubuntu.
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:
Incomplete
Status in linux-oem package in Ubuntu:
New
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
Incomplete
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:
Incomplete
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:
Incomplete
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.
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