** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1849269
Title:
The system cannot resume from S3 if user unplugs the TB16 during
suspend state
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
Fix Released
Status in linux-oem source package in Bionic:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Eoan:
Fix Released
Status in linux source package in Focal:
Fix Released
Bug description:
[Impact]
Unplug TBT dock during S3 and then wakes up the system leads to system hangs.
This not only happens on Dell TB16, but also Dell WD19TB. It's more like a
BIOS or TBT firmware issue that TBT firmware doesn't re-create the PCIe tunnels.
[Fix]
Mika provides 4 patches to fix this issue, but only 2 are accepted and are
included in linus' tree. We need especially the 4th commit to fix the issue, so
we keep the 3rd and 4th commits as sauce patches.
[Test]
Verified on Dell Precision 5530 + WD19TB
[Regression Potential]
Low, those patches doesn't change the code path much. The 4th commit adds
some checks to return failure state, and it should be safe for those machines
which is working well.
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