** Changed in: linux (Ubuntu Focal)
Status: New => Invalid
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.13 in Ubuntu.
https://bugs.launchpad.net/bugs/1940204
Title:
AMDGPU: Fix System hang after resume from suspend
Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-5.10 package in Ubuntu:
New
Status in linux-oem-5.13 package in Ubuntu:
New
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.10 source package in Focal:
In Progress
Status in linux-oem-5.13 source package in Focal:
In Progress
Status in linux source package in Hirsute:
In Progress
Status in linux-oem-5.10 source package in Hirsute:
New
Status in linux-oem-5.13 source package in Hirsute:
New
Status in linux source package in Impish:
In Progress
Status in linux-oem-5.10 source package in Impish:
New
Status in linux-oem-5.13 source package in Impish:
New
Bug description:
[Impact]
With AMD-GPU and don't use it as a display output,
After multiple Suspend&resume, system would hang.
[Fix]
Disable BACO for polaris12 series.
BACO allow the graphics cards on Linux to support S4 / hibernation support.
[Test Case]
1. Must plug AMD GPU and don't use it as display output
2. Plug DP/HDMI on iGPU.
3. Suspend&resume machine.
4. check if system hangs.
[Where problems could occur]
Disable BACO would cause higher power consumption.
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