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SubjectDirect PCI access broken in 2.4.10-pre
Date

2.4.10-pre3 and later fail to boot on my Compaq XL box. It claims that PCI
isn't supported. This board doesn't use the PCI BIOS because the entry
point is in high memory.

'cvs up -r v2_4_10-pre2 arch/i386/boot/pci-pc.c' fixes it.

A happy boot with the old pci-pc.c:
PCI: BIOS32 entry (0xc00fa000) in high memory, cannot use.
PCI: Using configuration type 2
PCI: Probing PCI hardware

An unhappy boot with the new one:
PCI: BIOS32 entry (0xc00fa000) in high memory, cannot use.
PCI: System does not support PCI

An unhappy boot with the new one and 'pci=conf2':
PCI: Using configuration type 2
PCI: Probing PCI hardware
PCI: device 00:01.0 has unknown header type 7f, ignoring.
PCI: device 00:02.0 has unknown header type 7f, ignoring.
PCI: device 00:03.0 has unknown header type 7f, ignoring.
PCI: device 00:04.0 has unknown header type 7f, ignoring.
PCI: device 00:05.0 has unknown header type 7f, ignoring.
PCI: device 00:06.0 has unknown header type 7f, ignoring.
PCI: device 00:07.0 has unknown header type 7f, ignoring.
PCI: device 00:08.0 has unknown header type 7f, ignoring.
PCI: device 00:09.0 has unknown header type 7f, ignoring.
PCI: device 00:0a.0 has unknown header type 7f, ignoring.
PCI: device 00:0e.2 has unknown header type 7f, ignoring.
PCI: device 00:0e.3 has unknown header type 7f, ignoring.
PCI: device 00:0e.4 has unknown header type 7f, ignoring.
PCI: device 00:0e.5 has unknown header type 7f, ignoring.
PCI: device 00:0e.6 has unknown header type 7f, ignoring.
PCI: device 00:0e.7 has unknown header type 7f, ignoring.
PCI: Cannot allocate resource region 0 of device 00:0e.0
PCI: Cannot allocate resource region 1 of device 00:0e.1
PCI: Cannot allocate resource region 2 of device 00:0e.1
PCI: Cannot allocate resource region 3 of device 00:0e.1
isapnp: Scanning for PnP cards...
isapnp: No Plug & Play device found
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
<deadlock>

--
dwmw2


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