linux-kernel - Re: nouveau: System crashes with NVIDIA GeForce 8600 GT

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Message-Id: <201908181727.04076.linux@zary.sk>
Date:   Sun, 18 Aug 2019 17:27:03 +0200
From:   Ondrej Zary <linux@...y.sk>
To:     Alex Dewar <alex.dewar90@...il.com>
Cc:     nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: nouveau: System crashes with NVIDIA GeForce 8600 GT

On Saturday 17 August 2019 14:50:33 Alex Dewar wrote:
> Hi all,
>
> I'm getting frequent system crashes (every few hours or so) and it seems
> that the nouveau driver is causing the issue (dmesg output below). I see it
> with both v5.2.8 and the v4.19 LTS kernel. Sometimes the system
> completely freezes and sometimes seemingly just the nouveau driver goes
> down. The screen freezes and colours stream across it. Often after I
> reboot the BIOS logo is mangled too until the first modeset. The crash
> seems to be happening in nv50_fb_intr() in nv50.c.
>
> I'm not sure if this is related, but the system now often freezes on
> suspend or resume since I switched from using the old (recently
> abandoned) proprietry NVIDIA drivers, again both with 5.2 and 4.19
> kernels. Blacklisting the nouveau driver doesn't seem to fix it however,
> though I guess the graphics card could still be causing issues in some
> other way? I never had problems with suspend and resume before.
>
> Any suggestions about how I could debug this further?

Is it really a software problem (does it still work fine with proprietary 
driver)?
These nVidia chips are known to fail and corrupt BIOS logo suggests that.

-- 
Ondrej Zary