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Message-Id: <200804112223.14160.rjw@sisk.pl>
Date: Fri, 11 Apr 2008 22:23:13 +0200
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: Ingo Molnar <mingo@...e.hu>
Cc: Yinghai Lu <yinghai.lu@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@....cz>,
Thomas Gleixner <tglx@...utronix.de>,
"H. Anvin" <hpa@...or.com>, Arjan van de Ven <arjan@...radead.org>
Subject: Re: x86 git tree broken (bisected)
On Friday, 11 of April 2008, Rafael J. Wysocki wrote:
> On Friday, 11 of April 2008, Rafael J. Wysocki wrote:
> > On Thursday, 10 of April 2008, Ingo Molnar wrote:
> > >
> > > * Ingo Molnar <mingo@...e.hu> wrote:
> > >
> > > > > > > First, the X server doesn't want to start (it says it couldn't
> > > > > > > mmap the framebuffer).
> > > > > >
> > > > > > could you send your .config?
> > > > >
> > > > > Attached.
> > > >
> > > > could you disable this option:
> > > >
> > > > CONFIG_NONPROMISC_DEVMEM=y
> > > >
> > > > does it help with the X problem?
> >
> > That didn't help.
> >
> > > btw., Xorg works fine here on a comparable AMD system - but i use a
> > > rather new distro (Fedora 8) which has Xorg 7.2.
> >
> > My system is an OpenSUSE 10.3 and it has Xorg 7.2 as well.
> >
> > I think the problem is somehow related to the Radeon.
>
> The bisection turned up commit ea1441bdf53692c3dc1fd2658addcf1205629661
> "x86: use bus conf in NB conf fun1 to get bus range on, on 64-bit" as the one
> causing problems.
>
> Unfortunately, I can't revert cleanly it, because there are two more commits
> depending on it in a highly nontrivial fashion, so I have reverted all three
> commits
>
> a365998cd2cecfb827469dbd57c29602c106cb83
> 44f7f90fbe7a3a99aab082f765346514b7b5c705
> ea1441bdf53692c3dc1fd2658addcf1205629661
>
> and X starts again. Also, suspend to RAM works from under X.
Update:
With the above three commits reverted both X itself and suspend to RAM from
X also work with the current x86-git (as of HEAD equal to
1192aeb957402b45f311895f124e4ca41206843c).
Thanks,
Rafael
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