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SubjectRe: Problem with i820 AGP patch
On Thu, Nov 15, 2001 at 09:01:54AM +0100, Nicolas Aspert wrote:
> test... Can you send what 'lspci -ev' shows ?

Here it is, I think I should have thought before...
-ev didn't worked, I used -vn with a cut & paste for names (first line
of each entry)

00:00.0 Host bridge: Intel Corporation 82820 820 (Camino) Chipset Host Bridge (MCH) (rev 03)
00:00.0 Class 0600: 8086:2501 (rev 03)
Subsystem: 1043:801c
Flags: bus master, fast devsel, latency 0
Memory at d0000000 (32-bit, prefetchable) [size=256M]
Capabilities: <available only to root>

00:01.0 PCI bridge: Intel Corporation 82820 820 (Camino) Chipset PCI to AGP Bridge (rev 03) (prog-if 00 [Normal decode])
00:01.0 Class 0604: 8086:250f (rev 03)
Flags: bus master, 66Mhz, fast devsel, latency 0
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
Memory behind bridge: cc000000-ccffffff
Prefetchable memory behind bridge: cdf00000-cfffffff

00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02) (prog-if 00 [Normal decode])
00:1e.0 Class 0604: 8086:2418 (rev 02)
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000c000-0000dfff
Prefetchable memory behind bridge: cd000000-cdefffff

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) (prog-if 00 [VGA])
01:00.0 Class 0300: 102b:0525 (rev 04)
Subsystem: 102b:0378
Flags: bus master, medium devsel, latency 64, IRQ 11
Memory at ce000000 (32-bit, prefetchable) [size=32M]
Memory at cc800000 (32-bit, non-prefetchable) [size=16K]
Memory at cc000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at cdff0000 [disabled] [size=64K]
Capabilities: <available only to root>

Other entries are all related to non-interesting (I think) devices (IDE, SMBus, audio, etc.)

> It worked, but in which way ? Did you test X+OpenGL apps to see whether
> it did the trick ? The fact that the module loads itself is not always
> sufficient to say that it works (believe me :-)
It loaded and glxgears worked correctly, I didn't tested other apps

> With your custom patch, or with the 'generic' stuff ?
Both (sigh!), the problem shows with or without your patch.
Now I'm tring your new patch, but I don't think something will change.


Daniele Venzano
Senior member of the Linux User Group Genova (LUGGe)

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