[Bug 51381] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than 5secs aborting, when disabled via vgaswitcheroo

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=51381

--- Comment #18 from Teofilis Martisius <Teofilis.Martisius@gmail.com> ---
Hello,

I tried removing radeon.dpm=1, it did NOT fix the issue. I think my GPUs are
considered "stable" by now- it's not a new laptop.

Let me know if you need anything else.

Sincerely,
Teofilis Martisius

[    0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.15.0-rc8
root=UUID=6b66e960-0da6-4a99-abfe-f23614b50db9 ro quiet radeon.audio=0
modeset=1 radeon.no_wb=1

.....

[   59.122053] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than
5secs aborting
[   59.122183] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing
CE56 (len 62, WS 0, PS 0) @ 0xCE72
[   59.122315] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing
BB62 (len 1036, WS 4, PS 0) @ 0xBC5F
[   59.122448] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing
BAF8 (len 76, WS 0, PS 8) @ 0xBB00
[   60.722717] radeon 0000:01:00.0: Wait for MC idle timedout !
[   60.923224] radeon 0000:01:00.0: Wait for MC idle timedout !
[   60.942019] [drm] PCIE GART of 1024M enabled (table at 0x0000000000273000).
[   60.942140] radeon 0000:01:00.0: WB enabled
[   60.942148] radeon 0000:01:00.0: fence driver on ring 0 use gpu addr
0x0000000040000c00 and cpu addr 0xffff880089552c00
[   60.942153] radeon 0000:01:00.0: fence driver on ring 3 use gpu addr
0x0000000040000c0c and cpu addr 0xffff880089552c0c
[   60.951189] radeon 0000:01:00.0: fence driver on ring 5 use gpu addr
0x0000000000072118 and cpu addr 0xffffc90011cb2118
[   61.178505] [drm:r600_ring_test] *ERROR* radeon: ring 0 test failed
(scratch(0x8504)=0xFFFFFFFF)
[   61.178637] [drm:evergreen_resume] *ERROR* evergreen startup failed on
resume
[   66.180845] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than
5secs aborting
[   66.180974] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing
C50C (len 1136, WS 0, PS 0) @ 0xC536
[   66.219989] vgaarb: device changed decodes:
PCI:0000:01:00.0,olddecodes=io+mem,decodes=none:owns=none
[   66.219995] vgaarb: device changed decodes:
PCI:0000:00:01.0,olddecodes=io+mem,decodes=none:owns=none

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