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SubjectPCI resource allocation
Date

I'm running 2.4.9 (patched from 2.4.7). The hardware is this:

Mainboard: Tyan Trinity K7 S238
CPU: AMD Athlon K7 750MHz
Memory: PC-133 128MB
Boot HD: Seagate 9.1GB LVD
SCSI HBA: Tekram DC390U2W PCI

I continue to get these warnings at boot-time:

Jul 31 09:14:58 kernel: PCI: Cannot allocate resource region 0 of device 01:00.0
Jul 31 09:14:58 kernel: PCI: Failed to allocate resource 0(d8000000-d8ffffff) for 01:00.0

Device 1 is the video card, which is a Matrox G400 AGP.

lspci reports:

01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 04) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G400 16Mb SGRAM
Flags: bus master, medium devsel, latency 32, IRQ 15
Memory at d8000000 (32-bit, prefetchable) [size=16M]
Memory at d4000000 (32-bit, non-prefetchable) [size=16K]
Memory at d5000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=64K]
Capabilities: [dc] Power Management version 2
Capabilities: [f0] AGP version 2.0

The card basically works, but I get problems under applications that
make heavy demands (programs hang or produce seg-faults). I've had the
warnings ever since upgrading from the 2.2.x series to the 2.4.x
series.

I gather from the archives that this is a known problem, and that it
has been discussed quite a bit. Is there a way I can help track down
the problem, or a proposed solution that I could try?

Thanks a lot,

Jim McCloskey





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