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Groups > linux.debian.user > #239360 > unrolled thread

HDMI hot plug not working any more in bullseye

Started by"Harald" <debian-bug@lobo.uber.space>
First post2021-08-27 17:30 +0200
Last post2021-08-27 19:00 +0200
Articles 5 — 3 participants

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  HDMI hot plug not working any more in bullseye "Harald" <debian-bug@lobo.uber.space> - 2021-08-27 17:30 +0200
    Re: HDMI hot plug not working any more in bullseye Nicolas George <george@nsup.org> - 2021-08-27 17:30 +0200
      Re: HDMI hot plug not working any more in bullseye harald@lobo.uber.space - 2021-08-27 18:10 +0200
      Re: HDMI hot plug not working any more in bullseye "Harald" <debian-bug@lobo.uber.space> - 2021-08-27 18:10 +0200
        Re: HDMI hot plug not working any more in bullseye Nicolas George <george@nsup.org> - 2021-08-27 19:00 +0200

#239360 — HDMI hot plug not working any more in bullseye

From"Harald" <debian-bug@lobo.uber.space>
Date2021-08-27 17:30 +0200
SubjectHDMI hot plug not working any more in bullseye
Message-ID<CQLXS-7aq-7@gated-at.bofh.it>
Hi,

if just updated to bullseye and now, HDMI hot plug does not work any more.
I have a GeForce GTX 960 (AMD64 system) with a monitor connected through a DVI-D cable and a projector connected through a HDMI cable.
If I have the projector switched on at system startup, everything is fine, but if the projector is switch off at startup, I have no way to add it as display when switching it on afterwards.

With Debian Buster, this worked.

Using KDE, nvidia-driver.
Tried system settings of KDE and nvidia-settings. Both worked with Buster.

Any ideas how to get hot plug back to work or where to find additional hints?

Thanks,
Harald

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#239361

FromNicolas George <george@nsup.org>
Date2021-08-27 17:30 +0200
Message-ID<CQLXS-7aq-9@gated-at.bofh.it>
In reply to#239360

[Multipart message — attachments visible in raw view] — view raw

Harald (12021-08-27):
> Any ideas how to get hot plug back to work or where to find additional hints?

What does the command "xrandr" say before you connect the cable and
after?

Regards,

-- 
  Nicolas George

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#239362

Fromharald@lobo.uber.space
Date2021-08-27 18:10 +0200
Message-ID<CQMAx-7D0-3@gated-at.bofh.it>
In reply to#239361
August 27, 2021 5:26 PM, "Nicolas George" <george@nsup.org> wrote:
> What does the command "xrandr" say before you connect the cable and
> after?

The cables are always connected. Graphics card --> HDMI cable --> HDMI switch --> HDMI cable --> projector.

If I started the system with the projector turned off, the output is always:

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
1920x1080 60.00*+
1680x1050 59.95 
1600x900 60.00 
1440x900 59.89 
1400x1050 59.98 
1280x1024 75.02 60.02 
1280x800 59.81 
1280x720 60.00 
1152x864 75.00 
1024x768 75.03 60.00 
800x600 75.00 60.32 
640x480 75.00 59.94 
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

No matter if the projector is turned on or off or the switch is set to PC input or another input.

When starting with projector turned on and switch set to PC input:

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00*+
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1400x1050     59.98  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 1600mm x 900mm
   1920x1080     60.00*+  59.94    50.00    29.97    23.98    60.05    60.00    50.04  
   1440x576      50.00  
   1440x480      59.94  
   1280x720      59.94    50.00  
   720x576       50.00  
   720x480       59.94  
   640x480       59.94    59.93  
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

Switching the projector off again, the output reverts to 

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00*+
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1400x1050     59.98  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

Switching it afterwards on again, nothing changed (HDMI-0 is still disconnected).

Any ideas?

Best regards,
Harald

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#239363

From"Harald" <debian-bug@lobo.uber.space>
Date2021-08-27 18:10 +0200
Message-ID<CQMAx-7D0-13@gated-at.bofh.it>
In reply to#239361
August 27, 2021 5:26 PM, "Nicolas George" <george@nsup.org> wrote:
> What does the command "xrandr" say before you connect the cable and
> after?

The cables are always connected.
Setup: Graphics card --> HDMI cable --> HDMI switch --> HDMI cable --> projector.

If I started the system with the projector turned off, the output is always:

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
1920x1080 60.00*+
1680x1050 59.95 
1600x900 60.00 
1440x900 59.89 
1400x1050 59.98 
1280x1024 75.02 60.02 
1280x800 59.81 
1280x720 60.00 
1152x864 75.00 
1024x768 75.03 60.00 
800x600 75.00 60.32 
640x480 75.00 59.94 
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

No matter if the projector is turned on or off or the switch is set to PC input or another input afterwards.

When starting with projector turned on and switch set to PC input:

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00*+
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1400x1050     59.98  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 1600mm x 900mm
   1920x1080     60.00*+  59.94    50.00    29.97    23.98    60.05    60.00    50.04  
   1440x576      50.00  
   1440x480      59.94  
   1280x720      59.94    50.00  
   720x576       50.00  
   720x480       59.94  
   640x480       59.94    59.93  
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

Switching the projector off again, the output reverts to 

Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 480mm x 270mm
   1920x1080     60.00*+
   1680x1050     59.95  
   1600x900      60.00  
   1440x900      59.89  
   1400x1050     59.98  
   1280x1024     75.02    60.02  
   1280x800      59.81  
   1280x720      60.00  
   1152x864      75.00  
   1024x768      75.03    60.00  
   800x600       75.00    60.32  
   640x480       75.00    59.94  
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)

Switching it afterwards on again, nothing changed (HDMI-0 is still disconnected).

Any ideas?

Best regards,
Harald

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#239364

FromNicolas George <george@nsup.org>
Date2021-08-27 19:00 +0200
Message-ID<CQNmV-7TG-1@gated-at.bofh.it>
In reply to#239363

[Multipart message — attachments visible in raw view] — view raw

Harald (12021-08-27):
> Switching it afterwards on again, nothing changed (HDMI-0 is still disconnected).
> 
> Any ideas?

That seems to indicate your problem is with the driver and not with the
automagic GUI.

You can try to run Buster's X11 over Bullseye's kernel and Bullseye's
X11 over Buster's kernel to see if that makes a difference. But since it
may be some work to set up, wait if somebody has better ideas.

Regards,

-- 
  Nicolas George

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