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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - WARNING: CPU: 0 PID: 487 at drivers/gpu/drm/amd/amdgpu/../display /dc/gpio/gpio_base.c:64 dal_gpio_open_ex+0xc/0x30 [amdgpu]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105725#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - WARNING: CPU: 0 PID: 487 at drivers/gpu/drm/amd/amdgpu/../display /dc/gpio/gpio_base.c:64 dal_gpio_open_ex+0xc/0x30 [amdgpu]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105725">bug 105725</a>
from <span class="vcard"><a class="email" href="mailto:marc@dragonfly.plus.com" title="Marc Thomas <marc@dragonfly.plus.com>"> <span class="fn">Marc Thomas</span></a>
</span></b>
<pre>(In reply to Alex Deucher from <a href="show_bug.cgi?id=105725#c9">comment #9</a>)
<span class="quote">> It's possible that there are issues with gpio-amdpt and pinctrl-amd that
> lead to general system stability issues, but it should be noted the the gpio
> stuff in amdgpu is completely unrelated to those modules.</span >
I think you're right - I still do get these warnings in 4.18.9 even with the
modules blacklisted; just not all the time.
Interestingly I found the other warning I get from
amdgpu_dm/amdgpu_dm_mst_types.c can be provoked by running "xcmddc -lv". It
seems udevd does this during boot. See also <a class="bz_bug_link
bz_status_NEW "
title="NEW - WARNING: CPU: 11 PID: 1137 at drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:88 dm_dp_aux_transfer+0xa5/0xc0 [amdgpu]"
href="show_bug.cgi?id=107456">bug 107456</a>.</pre>
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