** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1990920
Title:
Fix resume on AMD platforms when TBT monitor is plugged
Status in HWE Next:
New
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.17 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.14 source package in Focal:
Fix Committed
Status in linux-oem-5.17 source package in Focal:
Invalid
Status in linux source package in Jammy:
Fix Committed
Status in linux-oem-5.14 source package in Jammy:
Invalid
Status in linux-oem-5.17 source package in Jammy:
Fix Released
Status in linux source package in Kinetic:
Confirmed
Status in linux-oem-5.14 source package in Kinetic:
Invalid
Status in linux-oem-5.17 source package in Kinetic:
Invalid
Bug description:
[Impact]
When TBT monitor is connected to AMD platform, system resume will hit
stack corruption or BUG_ON() macro.
[Fix]
Revert the offending commit and handle MST properly.
[Test]
The system can resume normally and no more kernel splat.
[Where problems could occur]
The new logic is restriced to MST hub, so normal DP/HDMI usage should be
unaffected.
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