From: lists@sapience.com
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Nicolas Aspert <Nicolas.Aspert@epfl.ch>
Subject: Re: Problem with i820 AGP patch
Date: Thu, 15 Nov 2001 01:27:09 -0500 [thread overview]
Message-ID: <20011115062709.GA2022@sapience.com> (raw)
In-Reply-To: <20011114205141.A1065@renditai.milesteg.arr>
In-Reply-To: <20011114205141.A1065@renditai.milesteg.arr>
I have a similar problem with i860 - using 2.4.15-pre4.
I get on a dell 530 dual p4 + radeon video:
Nov 14 00:31:40 flash kernel: Linux agpgart interface v0.99 (c) Jeff Hartmann
Nov 14 00:31:40 flash kernel: agpgart: Maximum main memory to use
for agp memory: 816M
Nov 14 00:31:40 flash kernel: agpgart: Unsupported Intel chipset (device id: 2531),
you might want to try agp_try_unsupported=1.
agp.h has 850 id as 2530 and 860 as 8532.
My 860 claims 2531 ... ...
Regards
Gene/
lspci -v:
00:00.0 Host bridge: Intel Corporation 82850 860 (Wombat) Chipset Host Bridge (MCH) (rev 04)
Subsystem: Dell Computer Corporation: Unknown device 00d8
Flags: bus master, fast devsel, latency 0
Memory at e8000000 (32-bit, prefetchable) [size=128M]
Capabilities: [a0] AGP version 2.0
00:01.0 PCI bridge: Intel Corporation 82850 850 (Tehama) Chipset AGP Bridge (rev 04) (prog-if 00 [Normal decode])
Flags: bus master, 66Mhz, fast devsel, latency 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: ff900000-ffafffff
Prefetchable memory behind bridge: f0000000-f7ffffff
00:02.0 PCI bridge: Intel Corporation 82860 860 (Wombat) Chipset AGP Bridge (rev 04) (prog-if 00 [Normal decode])
etc.
On Wed, Nov 14, 2001 at 08:51:41PM +0100, Daniele Venzano wrote:
> Your patch to add AGP support for i820 chipset doesn't work for me, if I
> load agpgart module with agp_try_unsupported=1 I get:
>
> -
> Linux agpgart interface v0.99 (c) Jeff Hartmann
> agpgart: Maximum main memory to use for agp memory: 262M
> agpgart: Trying generic Intel routines for device id: 2501
> ^^^^^^^^^^^^^
> agpgart: AGP aperture is 256M @ 0xd0000000
> -
>
> That device id is different from the corresponding line in apg.h:174
> #define PCI_DEVICE_ID_INTEL_820_0 0x2500
>
> I tried to change that line in:
> #define PCI_DEVICE_ID_INTEL_820_0 0x2501
>
> And it worked! But I don't know why the id for your chip is different
> from mine...
>
> My motherboard is an Asus P3C2000 with a P3 500 running kernel 2.4.14
>
>
next prev parent reply other threads:[~2001-11-15 6:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-14 19:51 Problem with i820 AGP patch Daniele Venzano
2001-11-15 6:27 ` lists [this message]
2001-11-15 7:14 ` Marvin Justice
2001-11-15 8:04 ` Nicolas Aspert
2001-11-15 8:01 ` Nicolas Aspert
2001-11-15 19:11 ` Daniele Venzano
2001-11-15 21:50 ` Problem with i820 AGP patch [SOLVED] Daniele Venzano
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