[Bug 111507] Unable to detect monitor modes connected to a TB16 Dell dock

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111507

--- Comment #33 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
(In reply to Lionel Landwerlin from comment #32)
> FYI, on 
> 
> commit cde3db21383e3c077c278ba783e4ec8d006f2e32 (drm-tip/drm-tip)
> Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Date:   Wed Sep 4 18:53:26 2019 +0300
> 
>     drm-tip: 2019y-09m-04d-15h-52m-25s UTC integration manifest
> 
> Things are working sometimes. Usually if I reboot the machine and it works,
> it'll keep working, if it doesn't work at boot, it won't ever work it seems.
> 
> Not quite sure where the issue lies...

Does it recover ever if you try to replug it?

One good thing to try: I think you mentioned that it was working on some older
kernel. Can you please get a dmesg from that one. Just do a single unplug and
plug. Then do the same with new kernel, so that it would be then possible to
compare those logs.

I'm really curious what is the issue, however looks like I can't reproduce it
with my machine, even though I also have TB16 connected through usb-c.

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