[Nouveau] [Bug 100758] Kernel Oops when starting X nv50_dma_push

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100758

--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Kevin Winchester from comment #5)
> After this crash, I rebooted and I'm currently running sway on wayland and
> things seem to work well, but I've been having trouble with X for weeks now.
> 
> I first noticed issues when the following messages started appearing in my
> boot logs:
> 
> nouveau 0000:01:00.0: bios: OOB 1 015f1901 015f1901
> nouveau 0000:01:00.0: bios: OOB 1 b90900b8 b90900b8
> nouveau 0000:01:00.0: bios: OOB 1 b90900b8 b90900b8
> nouveau 0000:01:00.0: bios: OOB 1 b90900b8 b90900b8

Those are "normal". By which I mean harmless. Should go away in some updated
kernel.

> 
> I have a dual monitor setup and I was always running with no specific
> xorg.config files, just the following in my .xinitrc file:
> 
> xrandr --output LVDS-1 --preferred
> xrandr --output HDMI-1 --preferred --primary --left-of LVDS-1
> 
> But suddenly after some updates, that was resulting in the same content
> being displayed on both screens, but I can still move my mouse cursor over
> onto the second screen.
> 
> I put in the xorg.conf file that I used to use (already pasted in) and it
> seemed to improve the situation, but there were still issues. The same
> content would still appear on both screens, but once I let the xfce power
> management shut off the monitors and then woke the computer back up, the
> screens would work correctly again.
> 
> Then this I installed a new kernel and nouveau driver, and after starting X
> everything froze and I found the Oops in my logs.

Looks like your crash happened with 4.10.11. 4.10.12 includes a backport of a
very important fix,
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?id=2efa4bd3b644f115befbd225f45fce936e19cf2c
, which I believe accounts for the crash that you saw.

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