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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - runpm hang with PowerXpress/hybrid laptop"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75127#c24">Comment # 24</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - runpm hang with PowerXpress/hybrid laptop"
href="https://bugs.freedesktop.org/show_bug.cgi?id=75127">bug 75127</a>
from <span class="vcard"><a class="email" href="mailto:sandy.8925@gmail.com" title="Sandeep <sandy.8925@gmail.com>"> <span class="fn">Sandeep</span></a>
</span></b>
<pre>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</pre>
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