From: "Linux regression tracking (Thorsten Leemhuis)" <regressions@leemhuis.info>
To: lyude@redhat.com
Cc: kherbst@redhat.com, dakr@redhat.com, airlied@redhat.com,
stable@vger.kernel.org,
Linux kernel regressions list <regressions@lists.linux.dev>,
Dan Moulding <dan@danm.net>,
nouveau@lists.freedesktop.org
Subject: Re: [REGRESSION] v6.9-rc7: nouveau: init failed, no display output from kernel; successfully bisected
Date: Thu, 9 May 2024 12:31:25 +0200 [thread overview]
Message-ID: <ba0bc464-a06a-4c54-945a-202dca2c4e49@leemhuis.info> (raw)
In-Reply-To: <20240506182331.8076-1-dan@danm.net>
On 06.05.24 20:23, Dan Moulding wrote:
> After upgrading to rc7 from rc6 on a system with NVIDIA GP104 using
> the nouveau driver, I get no display output from the kernel (only the
> output from GRUB shows on the primary display). Nonetheless, I was
> able to SSH to the system and get the kernel log from dmesg. I found
> errors from nouveau in it. Grepping it for nouveau gives me this:
>
> [ 0.367379] nouveau 0000:01:00.0: NVIDIA GP104 (134000a1)
> [ 0.474499] nouveau 0000:01:00.0: bios: version 86.04.50.80.13
> [ 0.474620] nouveau 0000:01:00.0: pmu: firmware unavailable
> [ 0.474977] nouveau 0000:01:00.0: fb: 8192 MiB GDDR5
> [ 0.484371] nouveau 0000:01:00.0: sec2(acr): mbox 00000001 00000000
> [ 0.484377] nouveau 0000:01:00.0: sec2(acr):load: boot failed: -5
> [ 0.484379] nouveau 0000:01:00.0: acr: init failed, -5
> [ 0.484466] nouveau 0000:01:00.0: init failed with -5
> [ 0.484468] nouveau: DRM-master:00000000:00000080: init failed with -5
> [ 0.484470] nouveau 0000:01:00.0: DRM-master: Device allocation failed: -5
> [ 0.485078] nouveau 0000:01:00.0: probe with driver nouveau failed with error -50
>
> I bisected between v6.9-rc6 and v6.9-rc7 and that identified commit
> 52a6947bf576 ("drm/nouveau/firmware: Fix SG_DEBUG error with
> nvkm_firmware_ctor()") as the first bad commit.
Lyude, that's a commit of yours.
Given that 6.9 is due a quick question: I assume there is no easy fix
for this in sight? Or is a quick revert something that might be
appropriate to prevent this from entering 6.9?
Ciao, Thorsten
> I then rebuilt
> v6.9-rc7 with just that commit reverted and the problem does not
> occur.
>
> Please let me know if there are any additional details I can provide
> that would be helpful, or if I should reproduce the failure with
> additional debugging options enabled, etc.
>
> Cheers,
>
> -- Dan
next parent reply other threads:[~2024-05-09 10:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20240506182331.8076-1-dan@danm.net>
2024-05-09 10:31 ` Linux regression tracking (Thorsten Leemhuis) [this message]
2024-05-09 21:11 ` [REGRESSION] v6.9-rc7: nouveau: init failed, no display output from kernel; successfully bisected David Airlie
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