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Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen

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On Fri, 2026-06-12 at 13:28 +0200, Vincent Lefevre wrote:
> On 2026-06-12 13:17:23 +0200, Vincent Lefevre wrote:
> > Installing firmware-nvidia-graphics in addition to firmware-misc-nonfree
> > solves the problem. So I'm reassigning the bug.
> > 
> > The change from "Recommends:" to "Suggests:" was due to a request in
> > 
> >   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1137651
> > 
> > but this should rather be solved by the installer. BTW, the installer
> > currently does *not* install "Recommends:" by default, so that #1137651
> > wouldn't even have been solved! See
> > 
> >   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931283
> 
> Another point: a "Suggests:" would be OK if these were just missing
> features, but here, the machine is completely unusable without network
> access. The Linux virtual consoles (Ctrl+Alt+F<1-6>) do not even work.
> 
> I'm also wondering why it is necessary to have a 100 MB firmware just
> to get a basic display. In the past (or with the Nvidia proprietary
> drivers?), this was not the case. But this is another issue.

The huge "GSP" firmware has most of the code that used to be in the
proprietary driver, now running on a microcontroller next to the GPU. 
For these newer GPUs, the remaining driver code required on the host is
apparently not as sensitive, so even Nvidia's own driver is open source
(but not upstream).  Progress, eh?

But there is work ongoing to remove vendor-specific graphics drivers
(and their firmware) from the initramfs again.

Ben.

-- 
Ben Hutchings
compatible: Gracefully accepts erroneous data from any source

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Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Vincent Lefevre <vincent@vinc17.net> - 2026-06-12 12:50 +0200
  Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Vincent Lefevre <vincent@vinc17.net> - 2026-06-12 13:20 +0200
    Processed: Re: linux-image-7.0.12+deb14-amd64: NULL pointer  dereference in nouveau / black screen "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-06-12 13:20 +0200
    Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Vincent Lefevre <vincent@vinc17.net> - 2026-06-12 13:40 +0200
      Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Ben Hutchings <ben@decadent.org.uk> - 2026-06-12 18:30 +0200
  Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Ben Hutchings <ben@decadent.org.uk> - 2026-06-12 18:20 +0200
    Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Ben Hutchings <ben@decadent.org.uk> - 2026-06-21 22:20 +0200
      Bug#1139740: linux-image-7.0.12+deb14-amd64: NULL pointer dereference in nouveau / black screen Vincent Lefevre <vincent@vinc17.net> - 2026-06-21 23:40 +0200

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