https://bugs.freedesktop.org/show_bug.cgi?id=94498
Bug ID: 94498
Summary: tonga Oops amdgpu_cgs_get_active_displays_info dual
displays/wayland/fbcon corner case
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel at lists.freedesktop.org
Reporter: adf.lists at gmail.com
Created attachment 122231
--> https://bugs.freedesktop.org/attachment.cgi?id=122231&action=edit
Oops.
I've seen this once before but couldn't reproduce at the time - maybe some luck
needed or maybe I didn't replicate well enough.
Currently running agd5f drm-fixes-4.5 on R9285.
PC booted from cold and running X with one display (DVI).
Someone else turns on/starts using HDMI TV.
I switch VT from X and start wayland (weston-launch) - works OK.
Quit weston with ctrl/alt/bs I see fbcon prompt but display is hung.
Sysrq works, log snip showing Oops attached.
I left in the trace an earlier edid error from when TV powered on in case
relevant.
Ever since I changed mobo before putting in tonga I've seen this with the TV.
It never fails to work so I guess something just tries again - xrandr
--verbose will show correct/complete edid.
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