[Bug 105725] 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]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105725

Marc Thomas <marc at dragonfly.plus.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marc at dragonfly.plus.com

--- Comment #7 from Marc Thomas <marc at dragonfly.plus.com> ---
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 Bug 106164.

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