linux-kernel - Re: x86 git tree broken (bisected)

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Message-ID: <86802c440804141406u7543dbacifb4b93b7b0ee2cc3@mail.gmail.com>
Date:	Mon, 14 Apr 2008 14:06:16 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	"Ingo Molnar" <mingo@...e.hu>,
	"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 Mon, Apr 14, 2008 at 1:21 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>
> On Monday, 14 of April 2008, Yinghai Lu wrote:
>  > On Sun, Apr 13, 2008 at 5:19 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>  > >
>  > > On Monday, 14 of April 2008, Yinghai Lu wrote:
>  > >  > On Sun, Apr 13, 2008 at 3:10 PM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>  > >  > >
>  > >  > > On Monday, 14 of April 2008, Yinghai Lu wrote:
>  > >  > >  > On Sun, Apr 13, 2008 at 9:12 AM, Rafael J. Wysocki <rjw@...k.pl> wrote:
>  > >  > >  > ...
>  > >  > >  > >  > can you try to apply the patch i sent to you about agp bridge order
>  > >  > >  > >  > reading for buggy silicon?
>  > >  > >  > >  >
>  > >  > >  > >  > Please boot kernel with "debug"...
>  > >  > >  > >  >
>  > >  > >  > >  > I want to verify if you can get
>  > >  > >  > >  >
>  > >  > >  > >  > "
>  > >  > >  > >  > Aperture conflicts with PCI mapping.
>  > >  > >  > >  > "
>  > >  > >  > >  >
>  > >  > >  > >  > in your boot log...
>  > >  > >  > >
>  > >  > >  > >  It's not present in there:
>  > >  > >  > >
>  > >  > >  > >  rafael@...ercik:~> grep Aperture failing-with-patch-dmesg.log
>  > >  > >  > >  Aperture too small (32 MB)
>  > >  > >  > >  Aperture from AGP @ de000000 size 4096 MB (APSIZE 0)
>  > >  > >  > >  Aperture too small (0 MB)
>  > >  > >  > >  agpgart: Aperture pointing to RAM
>  > >  > >  > >  agpgart: Aperture from AGP @ de000000 size 4096 MB
>  > >  > >  > >  agpgart: Aperture too small (0 MB)
>  > >  > >  > >
>  > >  > >  > >  Full dmesg output attached.
>  > >  > >  >
>  > >  > >  > please check attached debug patch. and check if you can change GART
>  > >  > >  > size in your BIOS setup to 64M instead of 32M
>  > >  > >
>  > >  > >  Hm, what tree am I supposed to apply it too:
>  > >  > >  (1) current x86 git
>  > >  > >  (2) current x86 git w/ some of your previous patches (which ones in this case)
>  > >  > >  (3) failing (old) x86 git
>  > >  > >  (4) failing (old) x86 git w/ some of your previous patches (which ones in this
>  > >  > >     case)?
>  > >  >
>  > >  > (1) current x86.git
>  > >
>  > >  Attached is dmesg output from current x86.git with debug_gart_checking.patch
>  > >  applied.
>  >
>  > please test the final one ... ...
>  >
>  > You should get back 64M memory back.
>
>  Tested (current x86.git), dmesg output attached.

thanks.

looks good. as expected...

Checking aperture...
AGP bridge at 00:04:00
Aperture from AGP @ de000000 old size 32 MB
Aperture size 4096 MB (APSIZE 0) is not right, using settings from NB
Aperture from AGP @ de000000 size 32 MB (APSIZE 0)
Node 0: aperture @ de000000 size 32 MB
Aperture too small (32 MB) than (64 MB)
...
agpgart: Detected AGP bridge 20
Setting up ULi AGP.
agpgart: AGP aperture is 32M @ 0xde000000

YH
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