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<body><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> changed
<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>
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<td>marc@dragonfly.plus.com
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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#c7">Comment # 7</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>I also see the WARNING messages in 4.17.10 and 4.18-rc6:
# grep WARNING dmesg.4.18.0-rc6
[ 9.167769] WARNING: CPU: 4 PID: 1133 at
drivers/gpu/drm/amd/amdgpu/../display/dc/gpio/gpio_base.c:64
dal_gpio_open_ex+0xc/0x30 [amdgpu]
[ 9.184735] WARNING: CPU: 4 PID: 1133 at
drivers/gpu/drm/amd/amdgpu/../display/dc/gpio/gpio_service.c:488
dal_ddc_open+0x31/0xe0 [amdgpu]
[ 9.246097] WARNING: CPU: 10 PID: 1134 at
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:88
dm_dp_aux_transfer+0xa5/0xb0 [amdgpu]
[ 9.411094] WARNING: CPU: 4 PID: 1133 at
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm_mst_types.c:88
dm_dp_aux_transfer+0xa5/0xb0 [amdgpu]
This is on an Ryzen 2700x based system with an RX480 GPU, connected to an
IIyama ProLite XB2380HS via DVI.
I'm also running Slackware-current Linux, so I wonder whether it's something in
Slackware's kernel config.
PS: This may be the same as <a class="bz_bug_link
bz_status_NEW "
title="NEW - dal_gpio_open_ex+0x34/0x180 [amdgpu]"
href="show_bug.cgi?id=106164">Bug 106164</a>.</pre>
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