linux-kernel - Re: [crash, PATCH] Revert "drm/radeon/kms: move radeon KMS on/off switch out of staging."

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Date:	Thu, 4 Feb 2010 07:26:19 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Dave Airlie <airlied@...il.com>
Cc:	Dave Airlie <airlied@...ux.ie>, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.sf.net
Subject: Re: [crash, PATCH] Revert "drm/radeon/kms: move radeon KMS on/off
 switch out of staging."


* Dave Airlie <airlied@...il.com> wrote:

> On Wed, Feb 3, 2010 at 1:46 AM, Ingo Molnar <mingo@...e.hu> wrote:
> >
> > * Dave Airlie <airlied@...il.com> wrote:
> >
> >> On Tue, Feb 2, 2010 at 6:17 PM, Ingo Molnar <mingo@...e.hu> wrote:
> >> >
> >> > * Dave Airlie <airlied@...ux.ie> wrote:
> >> >
> >> >> > Hi Linus,
> >> >> >
> >> >> > Please pull the 'drm-linus' branch from
> >> >> > ssh://master.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git drm-linus
> >> >> >
> >> >>
> >> >> I've also added an oops fix I seem to lose off my radar to this tree.
> >> >>
> >> >> commit 17aafccab4352b422aa01fa6ebf82daff693a5b3
> >> >> Author: Michel D??nzer <daenzer@...are.com>
> >> >> Date: ? Fri Jan 22 09:20:00 2010 +0100
> >> >>
> >> >> ? ? drm/radeon/kms: Fix oops after radeon_cs_parser_init() failure.
> >> >
> >>
> >> Wierd this suggests something else is wrong on that machine can you get me
> >> the whole dmesg? I'm guessing some iommu or swiotlb issue.
> >
> > This box has no known hardware or software problems, just this week it booted
> > in excess of 1000 kernels so i'd exclude that angle for now.
> >
> > I have bisected the crash back to the DRM tree and the crash went away with
> > the Kconfig revert i applied - and it got fixed by Jerome's patch. I posted
> > my config and i posted the relevant boot log as well. Find below the full
> > bootlog as well with vanilla -git (ab65832) and the config. (i dont think it
> > matters)
> >
> >> I've asked Jerome to fix the oops, but really anyone with an old .config
> >> won't get hit by this, and we've booted this on quite a lot of machines at
> >> this point.
> >
> > I dont see the commit in yesterday's linux-next. It has very fresh
> > timestamps:
> >
> > ?commit f71d0187987e691516cd10c2702f002c0e2f0edc
> > ?Author: ? ? Dave Airlie <airlied@...hat.com>
> > ?AuthorDate: Mon Feb 1 11:35:47 2010 +1000
> > ?Commit: ? ? Dave Airlie <airlied@...hat.com>
> > ?CommitDate: Mon Feb 1 11:35:47 2010 +1000
> >
> > What kind of widespread testing could this commit have gotten in the less
> > than 24 hours before it hit mainline?
> >
> 
> Its shipping in a major distro by default, its planned to be shipped in an 
> even more major distro. Its been boot tested on 1000s of machines by 1000s 
> of ppl.

Well but that's not the precise tree you sent to Linus, is it?

	Ingo
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