linux-kernel - Re: nouveau/ NV11: 3.12 freezes if X.org is started headless

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Message-ID: <CAKb7UviWkEPnfgi3biTw6OqiSDU7Nnp9FYARMYv_S2h2zLU2LA@mail.gmail.com>
Date:	Tue, 26 Nov 2013 19:49:45 -0500
From:	Ilia Mirkin <imirkin@...m.mit.edu>
To:	Stefan Lippers-Hollmann <s.L-H@....de>
Cc:	David Airlie <airlied@...ux.ie>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: nouveau/ NV11: 3.12 freezes if X.org is started headless

On Tue, Nov 26, 2013 at 7:18 PM, Stefan Lippers-Hollmann <s.L-H@....de> wrote:
> Hi
>
> On Tuesday 26 November 2013, Ilia Mirkin wrote:
>> On Tue, Nov 26, 2013 at 6:03 PM, Stefan Lippers-Hollmann <s.L-H@....de> wrote:
>> > v3.11 is fine, with and without monitor attached.
>> > v3.12 is fine as long as X.org isn't started (but may fail to reboot
>> >       cleanly). If a monitor is connected I don't observe any problems,
>> >       it freezes without a monitor connected.
>> > v3.13-rc1-95-gb975dc3 appears not to freeze without a monitor anymore
>> >       (I didn't confirm that it's fine with a monitor attached), but I
>> >       end up with the following Oops (this is before X.org is started).

One more idea -- try it with nouveau.runpm=0 -- I've had some odd
results with it on my older cards (but I don't remember hangs, but I
also didn't spend a lot of time on it, just plopped the option in and
moved on). This is a feature that got in in 3.12, and is really the
only major nouveau-affecting change in that kernel for your card
revision.

  -ilia
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