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Bug#1058991: firmware-misc-nonfree: Possible missing firmware for module nouveau, kernel crash in nouveau

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  Bug#1058991: firmware-misc-nonfree: Possible missing firmware for module nouveau, kernel crash in nouveau Diederik de Haas <didi.debian@cknow.org> - 2023-12-19 14:50 +0100
    Bug#1058991: firmware-misc-nonfree: Possible missing firmware for module nouveau, kernel crash in nouveau Vincent Lefevre <vincent@vinc17.net> - 2023-12-19 17:20 +0100
      Bug#1058991: firmware-misc-nonfree: Possible missing firmware for module nouveau, kernel crash in nouveau Diederik de Haas <didi.debian@cknow.org> - 2023-12-19 17:40 +0100

#1179323 — Bug#1058991: firmware-misc-nonfree: Possible missing firmware for module nouveau, kernel crash in nouveau

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Control: severity -1 important
Control: tag -1 moreinfo

On Tuesday, 19 December 2023 13:57:51 CET Vincent Lefevre wrote:
> Another piece of information: this is a regression.
> 
> With the 6.1.0-16-amd64 kernel from stable, "journalctl -b -g ga107"
> gives
> 
> Dec 19 04:57:07 qaa kernel: nouveau 0000:01:00.0: NVIDIA GA107 (b77000a1)
> Dec 19 04:57:07 qaa kernel: nouveau 0000:01:00.0: firmware: failed to load
> nvidia/ga107/nvdec/scrubber.bin (-2) Dec 19 04:57:07 qaa kernel: nouveau
> 0000:01:00.0: firmware: failed to load nvidia/ga107/nvdec/scrubber.bin (-2)
> 
> and I don't have any issue with the machine.
> 
> With the 6.5.0-5-amd64 kernel, "journalctl -b -1 -g ga107" gives

Upstream kernel commit 4b569ded09fdadb0c14f797c8dae4e8bc4bbad9f added lines to 
load the firmware files and was merged into kernel 6.2, so that it doesn't show 
up in a 6.1 kernel is expected.

Upstream firmware commit 2c2be4215fe29870dcd9a059ff8778e73269ddc1 added the files 
but it seems the Link lines weren't added to the Debian package in commit
9714742762ab2b278fd0961652a4dd54ff82ea8b

```
$ git show 2c2be4215fe29870dcd9a059ff8778e73269ddc1 | grep Link
@@ -5182,6 +5182,71 @@ Link: nvidia/tu117/nvdec/scrubber.bin -> ../../tu116/
nvdec/scrubber.bin
 Link: nvidia/tu117/sec2/desc.bin -> ../../tu116/sec2/desc.bin
 Link: nvidia/tu117/sec2/image.bin -> ../../tu116/sec2/image.bin
 Link: nvidia/tu117/sec2/sig.bin -> ../../tu116/sec2/sig.bin
+Link: nvidia/ga103/acr/ucode_ahesasc.bin -> ../../ga102/acr/ucode_ahesasc.bin
+Link: nvidia/ga103/acr/ucode_asb.bin -> ../../ga102/acr/ucode_asb.bin
+Link: nvidia/ga103/acr/ucode_unload.bin -> ../../ga102/acr/ucode_unload.bin
+Link: nvidia/ga103/nvdec/scrubber.bin -> ../../ga102/nvdec/scrubber.bin
+Link: nvidia/ga103/sec2/desc.bin -> ../../ga102/sec2/desc.bin
+Link: nvidia/ga103/sec2/hs_bl_sig.bin -> ../../ga102/sec2/hs_bl_sig.bin
+Link: nvidia/ga103/sec2/image.bin -> ../../ga102/sec2/image.bin
+Link: nvidia/ga103/sec2/sig.bin -> ../../ga102/sec2/sig.bin
+Link: nvidia/ga104/acr/ucode_ahesasc.bin -> ../../ga102/acr/ucode_ahesasc.bin
+Link: nvidia/ga104/acr/ucode_asb.bin -> ../../ga102/acr/ucode_asb.bin
+Link: nvidia/ga104/acr/ucode_unload.bin -> ../../ga102/acr/ucode_unload.bin
+Link: nvidia/ga104/nvdec/scrubber.bin -> ../../ga102/nvdec/scrubber.bin
+Link: nvidia/ga104/sec2/desc.bin -> ../../ga102/sec2/desc.bin
+Link: nvidia/ga104/sec2/hs_bl_sig.bin -> ../../ga102/sec2/hs_bl_sig.bin
+Link: nvidia/ga104/sec2/image.bin -> ../../ga102/sec2/image.bin
+Link: nvidia/ga104/sec2/sig.bin -> ../../ga102/sec2/sig.bin
+Link: nvidia/ga106/acr/ucode_ahesasc.bin -> ../../ga102/acr/ucode_ahesasc.bin
+Link: nvidia/ga106/acr/ucode_asb.bin -> ../../ga102/acr/ucode_asb.bin
+Link: nvidia/ga106/acr/ucode_unload.bin -> ../../ga102/acr/ucode_unload.bin
+Link: nvidia/ga106/nvdec/scrubber.bin -> ../../ga102/nvdec/scrubber.bin
+Link: nvidia/ga106/sec2/desc.bin -> ../../ga102/sec2/desc.bin
+Link: nvidia/ga106/sec2/hs_bl_sig.bin -> ../../ga102/sec2/hs_bl_sig.bin
+Link: nvidia/ga106/sec2/image.bin -> ../../ga102/sec2/image.bin
+Link: nvidia/ga106/sec2/sig.bin -> ../../ga102/sec2/sig.bin
+Link: nvidia/ga107/acr/ucode_ahesasc.bin -> ../../ga102/acr/ucode_ahesasc.bin
+Link: nvidia/ga107/acr/ucode_asb.bin -> ../../ga102/acr/ucode_asb.bin
+Link: nvidia/ga107/acr/ucode_unload.bin -> ../../ga102/acr/ucode_unload.bin
+Link: nvidia/ga107/nvdec/scrubber.bin -> ../../ga102/nvdec/scrubber.bin
+Link: nvidia/ga107/sec2/desc.bin -> ../../ga102/sec2/desc.bin
+Link: nvidia/ga107/sec2/hs_bl_sig.bin -> ../../ga102/sec2/hs_bl_sig.bin
+Link: nvidia/ga107/sec2/image.bin -> ../../ga102/sec2/image.bin
+Link: nvidia/ga107/sec2/sig.bin -> ../../ga102/sec2/sig.bin
```

If you manually create those links from the above "+Link:" lines, would that 
fix the issues?

On Tuesday, 19 December 2023 13:36:17 CET Vincent Lefevre wrote:
> for the above firmware, there's no "acr" directory in nvidia/ga107:

The directory is not physically present, but it ought to consists of symlinks 
to the ga102 directory, which does have an `acr` directory.

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#1179336

On 2023-12-19 14:32:31 +0100, Diederik de Haas wrote:
> If you manually create those links from the above "+Link:" lines,
> would that fix the issues?

I've added only the ga107 symlinks (since this is what is needed
for my machine) with

for i in acr nvdec sec2
do
  mkdir /usr/lib/firmware/nvidia/ga107/$i &&
  cd /usr/lib/firmware/nvidia/ga107/$i &&
  ln -s ../../ga102/$i/* .
done

and this fixes all the issues: the "Possible missing firmware" messages
(for ga107), the kernel crashes that were mentioned in the journalctl
output, and the black screen issue.

Thank you,

-- 
Vincent Lefèvre <vincent@vinc17.net> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

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#1179339

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Control: tag -1 +patch

On dinsdag 19 december 2023 17:14:22 CET you wrote:
> > If you manually create those links from the above "+Link:" lines,
> > would that fix the issues?
> 
> I've added only the ga107 symlinks (since this is what is needed
> for my machine) with
> ...
> and this fixes all the issues

Thanks, submitted the following MR to get the Debian package updated:
https://salsa.debian.org/kernel-team/firmware-nonfree/-/merge_requests/80

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