linux-kernel - Re: general protection fault on ttm

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Message-ID: <CAPM=9tzUkUOkA8-RNA4rztUXuKREKYGJVR3=0oYM7ufR9kRacA@mail.gmail.com>
Date:	Fri, 6 Jul 2012 18:09:20 +0100
From:	Dave Airlie <airlied@...il.com>
To:	Fengguang Wu <fengguang.wu@...el.com>
Cc:	Thomas Hellstrom <thellstrom@...are.com>,
	Dave Airlie <airlied@...hat.com>,
	dri-devel@...ts.freedesktop.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: general protection fault on ttm_init()

On Fri, Jul 6, 2012 at 5:49 PM, Dave Airlie <airlied@...il.com> wrote:
> On Fri, Jul 6, 2012 at 3:48 PM, Fengguang Wu <fengguang.wu@...el.com> wrote:
>> ... The missed kconfig.
>>
>> On Fri, Jul 06, 2012 at 10:46:22PM +0800, Fengguang Wu wrote:
>>> Hi Thomas,
>
> Wierd, I'm sorta tempted to just depend drm on CONFIG_PROC_FS, but it
> looks like the error path is failing to dtrt.

I've attached a patch that should fix it, let me know if it works.

though since the drm fails on proc not being there I wonder should we
just enforce proc being there if you pick drm.

Dave.

Download attachment "0001-drm-fail-gracefully-when-proc-isn-t-setup.patch" of type "application/octet-stream" (893 bytes)