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#1 2021-11-17 23:38:14

Morta
Member
Registered: 2019-07-07
Posts: 660

[SOLVED]Disconnecting of Display over Dockingstation

Hi,
I have a short blackscreen on docked display over dockingstation and HDMI.

So someone can help me to debug this error?
The usb devices and ethernet port doesn’t disconnect .

Where I have to search?

Last edited by Morta (2021-11-19 05:12:34)

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#2 2021-11-18 07:48:34

bulletmark
Member
From: Brisbane, Australia
Registered: 2013-10-22
Posts: 714

Re: [SOLVED]Disconnecting of Display over Dockingstation

Yes, it is a bug introduced by GNOME 41. I raised this mutter bug.

Workaround is to add MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 to /etc/environment.

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#3 2021-11-18 08:44:55

Morta
Member
Registered: 2019-07-07
Posts: 660

Re: [SOLVED]Disconnecting of Display over Dockingstation

That option kills the entry dockingstation!

It's doesn't work.... but thanks for the input and it's good that is a know ed bug.

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#4 2021-11-18 22:50:01

bulletmark
Member
From: Brisbane, Australia
Registered: 2013-10-22
Posts: 714

Re: [SOLVED]Disconnecting of Display over Dockingstation

I applied this pending MR and it fixes the problem.

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#5 2021-11-19 03:53:31

Morta
Member
Registered: 2019-07-07
Posts: 660

Re: [SOLVED]Disconnecting of Display over Dockingstation

bulletmark wrote:

I applied this pending MR and it fixes the problem.

How I apply this diff to local mutter? I never did before!

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#6 2021-11-19 04:12:28

bulletmark
Member
From: Brisbane, Australia
Registered: 2013-10-22
Posts: 714

Re: [SOLVED]Disconnecting of Display over Dockingstation

You need to build, patch, and install Arch mutter from source. Steps are:

mkdir ~/mutter && cd ~/mutter
curl -O https://raw.githubusercontent.com/archlinux/svntogit-packages/packages/mutter/trunk/PKGBUILD
vim PKGBUILD
# add line to end of prepare() function:
# curl -s "https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2098.patch" | git am
makepkg -si --nocheck

Last edited by bulletmark (2021-11-19 04:13:03)

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#7 2021-11-19 04:19:44

Morta
Member
Registered: 2019-07-07
Posts: 660

Re: [SOLVED]Disconnecting of Display over Dockingstation

bulletmark wrote:

You need to build, patch, and install Arch mutter from source. Steps are:

mkdir ~/mutter && cd ~/mutter
curl -O https://raw.githubusercontent.com/archlinux/svntogit-packages/packages/mutter/trunk/PKGBUILD
vim PKGBUILD
# add line to end of prepare() function:
# curl -s "https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2098.patch" | git am
makepkg -si --nocheck

Thanks!

I had to install xorg-server-xfvb to compile mutter with adjusted patch.

Last edited by Morta (2021-11-19 05:08:40)

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#8 2021-11-19 05:12:00

Morta
Member
Registered: 2019-07-07
Posts: 660

Re: [SOLVED]Disconnecting of Display over Dockingstation

On the first eye it seems to work!

Last edited by Morta (2021-11-19 10:03:12)

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