[Bug 67571] BUG: unable to handle kernel paging in amd E350 hdmi init

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=67571

--- Comment #9 from Eric Valette <eric.valette@free.fr> ---
I had a chance to look at the display on the tv set after my kids went to bed,
here is whar happens:


1) I get on long black immediately after boot as if normal vga display does not
work,
2) Once init is completed, I see the kdm loggin,
3) I see the begining of kde initialization and at one point the screen goes
black,
4) After a GPU rest I see for one second the normal desktop,
5) screen goes black forever


Looking at the dmesg, I have a pile of until it fails to reset I guess

[   52.398524] radeon 0000:00:01.0: GPU lockup CP stall for more than 10000msec
[   52.398545] radeon 0000:00:01.0: GPU lockup (waiting for 0x0000000000000006
last fence id 0x0000000000000002 on ring 5)
[   52.398556] [drm:uvd_v1_0_ib_test] *ERROR* radeon: fence wait failed (-35).
[   52.418619] [drm:radeon_ib_ring_tests] *ERROR* radeon: failed testing IB on
ring 5 (-35).
[   52.418632] [drm] Found smc ucode version: 0x00010200
[   52.419416] [drm:dce4_afmt_write_speaker_allocation] *ERROR* Couldn't read
Speaker Allocation Data Block: 0

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