AMD Cezanne takes 5 minutes to wake up from suspend
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
HWE Next |
New
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
In Progress
|
High
|
You-Sheng Yang | ||
Jammy |
Invalid
|
Undecided
|
Unassigned | ||
Kinetic |
Fix Released
|
Medium
|
You-Sheng Yang | ||
linux-oem-6.0 (Ubuntu) |
Invalid
|
Undecided
|
Unassigned | ||
Jammy |
Fix Released
|
High
|
You-Sheng Yang | ||
Kinetic |
Invalid
|
Undecided
|
Unassigned |
Bug Description
[SRU Justification]
[Impact]
AMD Cezanne takes 5 minutes to wake up from suspend.
[Fix]
A fix originated from AMD is being proposed to upstream mailing list.
[Test Case]
$ rtcwake -m mem -s 10
[Where problems could occur]
This patch fixes the issue we had, but maybe there are still some other corner cases that can cause similar problems.
[Other Info]
The problematic commit landed in v5.19-rc1, so kernels >= v5.19 are
nominated for fix.
========== original bug description ==========
[Summary]
rtcwake may be blocked for 5 minutes.
Model name: AMD Ryzen 5 7530U with Radeon Graphics
CPU family: 25
Model: 80
Thread(s) per core: 2
Core(s) per socket: 6
Socket(s): 1
Stepping: 0
[Reproduce Steps]
1. $ rtcwake -m mem -s 10
2. The device takes 5 minutes to resume
[Results]
Expected: Should resume after 10 seconds
Actual: System stays asleep for 5 minutes
Changed in linux-oem-6.0 (Ubuntu Jammy): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Kinetic): | |
importance: | High → Medium |
status: | In Progress → Fix Committed |
Proposed fix in https://<email address hidden>/