[Bug 105045] System freeze with nouveau - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 105045] System freeze with nouveau
Date: Sun, 11 Feb 2018 17:55:34 +0000	[thread overview]
Message-ID: <bug-105045-8800-Bx0bxJPPkp@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-105045-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=105045

--- Comment #3 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
This happens because GPU fault recovery currently leaves the process in a
totally broken state. (And all other processes that use the GPU, seemingly.)

The general approach has been to try to avoid the GPU faults in the first place
-- that will be printed before any of your other errors (i.e. before the
nv50_cal stuff).

Note that mesa 18.0 may have some relevant fixes, e.g. 

commit adcd241b563f44b2e3e92f5d840e2f617bc25836
Author: Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org>
Date:   Mon Jan 1 14:54:17 2018 -0500

    nvc0: ensure that pushbuf keeps ref to old text/tls bos

Perhaps worth a shot. (This could hit if gnome-shell were generating tons and
tons of silly shaders. Which it might be.)

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