[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 #54 from Luca T. (luca.trombin@gmail.com) ---
(In reply to Luca T. from comment #53)
> Dear all,
> I'm using Linux Mint, before I used Arch Linux and also Red Hat, but my
> laptop suffer of the same problem because of this kernel bug where Radeon
> gets stuck in a loop:
> 
> Feb 06 17:57:17 oldlaptop kernel: [drm:atom_op_jump [radeon]] ERROR atombios
> stuck in loop for more than 5secs aborting
> Feb 06 17:57:17 oldlaptop kernel: [drm:atom_execute_table_locked [radeon]]
> ERROR atombios stuck executing CB56 (len 62, WS 0, PS 0) @ 0xCB72
> Feb 06 17:57:17 oldlaptop kernel: [drm:atom_execute_table_locked [radeon]]
> ERROR atombios stuck executing B716 (len 236, WS 4, PS 0) @ 0xB7E3
> Feb 06 17:57:17 oldlaptop kernel: [drm:atom_execute_table_locked [radeon]]
> ERROR atombios stuck executing B674 (len 74, WS 0, PS 8) @ 0xB67C
> Feb 06 17:57:17 oldlaptop kernel: [drm:si_dpm_enable [radeon]] ERROR
> si_init_smc_table failed
> Feb 06 17:57:17 oldlaptop kernel: [drm:radeon_pm_resume [radeon]] ERROR
> radeon: dpm resume failed
> 
> This is happening every time I'm switching from a VT to another or any time
> I need to login.
> 
> Is there any progress or resolution of this issue?
> 
> Thanks,
> 
> Luca

Ok sorry, I found myself that adding the flag "radeon.runpm=0" to the kernel
parameters resolve the issue.

Thanks anyway,

Luca

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