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Groups > linux.debian.kernel > #88549

Bug#1088522: nouveau: Unable to boot with 3 monitors on Nvidia GPU

From Raymond Burkholder <ray@oneunified.net>
Newsgroups linux.debian.bugs.dist, linux.debian.kernel
Subject Bug#1088522: nouveau: Unable to boot with 3 monitors on Nvidia GPU
Date 2025-07-26 06:30 +0200
Message-ID <LcEHL-2IVT-1@gated-at.bofh.it> (permalink)
References (10 earlier) <LcCPD-2Hll-3@gated-at.bofh.it> <JNCBI-c7yp-5@gated-at.bofh.it> <LcCPD-2Hll-1@gated-at.bofh.it> <JNCBI-c7yp-5@gated-at.bofh.it> <LcCPD-2Hll-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

Cross-posted to 2 groups.

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On 2025-07-25 20:24, Benjamin Martin wrote:

> 
> With 3 monitors connected I got a black screen, the monitors were turned 
> on, but black. See log for 3 monitors.
> 

> With 2 monitors I was able to login and get to the desktop but was 

You problem seems similar to mine.  I thought it had to do with 2 
monitors on DisplayPort and one on HDMI.  My mouse was also sluggish. 
And in certain modeset settings, I'd get a blinking cursor in the upper 
left corner and nothing else.

All when using Wayland.

I ended up connecting all three monitors as display port to one card: 
NVIDIA GeForce RTX 5070 Ti.  I have this nvidia driver installed:  575.64.03

I think the key point though is I switched away from Wayland back to 
X11.  Everything is responsive again.

As much as I'd like to run Wayland, it does seem to have some shortcomings.

You can choose X11 mode in Trixie with KDE (assuming that is what you 
are using), but choosing the renderer in the lower left corner prior to 
logging in.

Hope this helps.

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Thread

Bug#1088522: nouveau: Unable to boot with 3 monitors on Nvidia GPU Tj <tj.iam.tj@proton.me> - 2025-04-03 20:00 +0200
  Bug#1088522: nouveau: Unable to boot with 3 monitors on Nvidia GPU Benjamin Martin <benjamin@bmg7.com> - 2025-07-21 18:20 +0200
    Bug#1088522: nouveau: Unable to boot with 3 monitors on Nvidia GPU Benjamin Martin <benjamin@bmg7.com> - 2025-07-25 03:30 +0200
      Bug#1088522: nouveau: Unable to boot with 3 monitors on Nvidia GPU Raymond Burkholder <ray@oneunified.net> - 2025-07-26 06:30 +0200
      Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Tj <tj.iam.tj@proton.me> - 2025-07-26 18:00 +0200
        Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Benjamin Martin <benjamin@bmg7.com> - 2025-07-26 18:20 +0200
          Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Benjamin Martin <benjamin@bmg7.com> - 2025-07-31 01:50 +0200
            Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Benjamin Martin <benjamin@bmg7.com> - 2025-08-06 23:20 +0200
              Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Tj <tj.iam.tj@proton.me> - 2025-08-07 11:10 +0200
                Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Benjamin Martin <benjamin@bmg7.com> - 2025-08-07 14:10 +0200
                Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Tj <tj.iam.tj@proton.me> - 2025-08-07 15:40 +0200
                Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Tj <tj.iam.tj@proton.me> - 2025-08-07 17:20 +0200
                Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Tj <tj.iam.tj@proton.me> - 2025-08-08 09:30 +0200
                Bug#1088522: nouveau 0000:01:00.0: i2c: aux 0004: magic wait 00008000 Tj <tj.iam.tj@proton.me> - 2025-08-09 00:20 +0200

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