[Bug 75127] runpm hang with PowerXpress/hybrid laptop

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75127

--- Comment #24 from Sandeep <sandy.8925 at gmail.com> ---
Oops, typo in last comment. When I turn off the GPU using:

echo OFF > /sys/kernel/debug/vgaswitcheroo/switch

and then try to turn on the GPU using:

echo ON > /sys/kernel/debug/vgaswitcheroo/switch

GPU reset messages are printed in the kernel. 

(e.g)
 7213.870052] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than
5secs aborting
[ 7213.870055] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing
E2F6 (len 2585, WS 4, PS 4) @ 0xE9E0
[ 7213.904826] [drm:radeon_dp_link_train_cr] *ERROR* clock recovery reached max
voltage
[ 7213.904827] [drm:radeon_dp_link_train_cr] *ERROR* clock recovery failed
[ 7567.068285] [drm:atom_op_jump] *ERROR* atombios stuck in loop for more than
5secs aborting
[ 7567.068289] [drm:atom_execute_table_locked] *ERROR* atombios stuck executing
E2F6 (len 2585, WS 4, PS 4) @ 0xE9E0
[ 7567.103047] [drm:radeon_dp_link_train_cr] *ERROR* clock recovery reached max
voltage
[ 7567.103048] [drm:radeon_dp_link_train_cr] *ERROR* clock recovery failed

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