DUTs displayed a black screen after installing the kernel in proposed on Focal
Bug #2069550 reported by
Kevin Yeh
This bug report is a duplicate of:
Bug #2068738: AMD GPUs fail with null pointer dereference when IOMMU enabled, leading to black screen.
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This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| linux (Ubuntu) |
New
|
Critical
|
Unassigned | ||
Bug Description
During the SRU testing for 5.15.0-112 kernel on Focal, I found 2 AMD laptops displayed a black screen.
After some investigation, the impacted laptops both with Picasso/Raven 2(1002:15d8) GPU.
Output for lscpi and journalctl are attached.
If you need more detail, please let me know.
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| Kevin Yeh (kevinyeh) wrote | #1 |
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| Kevin Yeh (kevinyeh) wrote | #2 |
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| Matthew Ruffell (mruffell) wrote | #3 |
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Known regression. See bug 2068738