[Bug 211807] [drm:drm_dp_mst_dpcd_read] *ERROR* mstb 000000004e6288dd port 3: DPCD read on addr 0x60 for 1 bytes NAKed

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=211807

--- Comment #16 from zwerg12@mail.de ---
(In reply to Alex Deucher from comment #13)
> (In reply to zwerg12 from comment #12)
> > As mentioned before, I get the same error with a monitor connected with DP
> > to a Lenovo ThinkPad USB-C Dock Gen2. My Laptop has an Intel i7 10510U no
> > additional graphics card. I am using Debian testing with the provided
> kernel.
> > 
> > 
> > During this my notebook monitor is blinking.
> > This setup worked for around four weeks when suddenly these errors
> occurred.
> 
> 
> Can you bisect?

I have never done it yet. But as soon as I am at home I can try.

(In reply to Michel Dänzer from comment #15)
> (In reply to Daan from comment #14)
> > I also had this in my logs yesterday, right before my system locked
> > completely (had to do a hard reset).
> 
> That's probably coincidence. I get these messages on a regular basis,
> without any bad behaviour.

Sometimes when I get this message there is no bad behavior but sometimes I also
have to do a hard reset. Without the docking station I never had to make a hard
reset.

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