Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg

From	Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg
Date	2026-04-22 21:50 +0200
Message-ID	<MMLK9-hcDT-7@gated-at.bofh.it> (permalink)
References	<ML2YN-g07K-1@gated-at.bofh.it> <ML2YN-g07K-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Hello,

On Sat, Apr 18, 2026 at 03:45:04AM +0200, Md Ayquassar wrote:
> As the machine experiences certain higher-level issues (e.g., we had
> to manually force xorg with WaylandEnable=false in
> /etc/gdm3/daemon.conf), we'd like to track down the most important
> error message in the log first – to the extent possible (yes, we know
> that nouveau is reverse-engineered and tried to use the proprietary
> nvidia driver – it deserves bug reports of its own).

AFAIK xorg works less and less and the way to get a working system is to
go with wayland. I wouldn't debug xorg issues today any more. IIRC gdm
is already known to not work with xorg any more, gnome-shell might still
work.

So let me suggest to switch to wayland and assuming that doesn't work,
report issues upstream,as there isn't much else that we (= Debian kernel
team) can do here. If you need help with that, feel free to follow up
here.

Best regards
Uwe

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Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg Md Ayquassar <MdAyquassar1@ro.ru> - 2026-04-18 03:50 +0200
  Processed: “nouveau: kernel rejected pushbuf:  No such device” and “gsp: mmu  fault queued” with NVIDIA PΛLiΤ  GeForce GTX 1660 and xorg "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-04-18 03:50 +0200
  Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2026-04-22 21:50 +0200
    Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg Md Ayquassar <MdAyquassar1@ro.ru> - 2026-04-23 00:10 +0200
      Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg Uwe Kleine-König <ukleinek@debian.org> - 2026-05-02 08:00 +0200
    Bug#1134242: “nouveau: kernel rejected pushbuf: No such device” and “gsp: mmu fault queued” with NVIDIA PΛLiΤ GeForce GTX 1660 and xorg Md Ayquassar <MdAyquassar1@ro.ru> - 2026-04-23 13:50 +0200

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