Something has changed in the kernel that stops the initialization of the PCI devices in the docking station for my IBM Thinkpad T21. This worked under the RH 7.3 2.4.8-10 and is not working for 2.4.8-15 and subsequent versions including 2.4.8-27.7.x.

I have tried rebuilding the kernel without success.

The differences in the dmesg are as follows:
2.4.8-10=========================

PCI: PCI BIOS revision 2.10 entry at 0xfd94f, last bus=14
PCI: Using configuration type 1
PCI: Probing PCI hardware
Unknown bridge resource 0: assuming transparent
Unknown bridge resource 2: assuming transparent
Unknown bridge resource 0: assuming transparent
Unknown bridge resource 1: assuming transparent
Unknown bridge resource 2: assuming transparent
PCI: Using IRQ router PIIX [8086/7110] at 00:07.0
Limiting direct PCI/PCI transfers.

4.8-27.7x=========================

PCI: PCI BIOS revision 2.10 entry at 0xfd94f, last bus=14
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Using IRQ router PIIX [8086/7110] at 00:07.0
PCI: Cannot allocate resource region 0 of device 08:01.0
PCI: Cannot allocate resource region 1 of device 08:01.0
PCI: Cannot allocate resource region 2 of device 08:01.0
PCI: Cannot allocate resource region 3 of device 08:01.0
PCI: Cannot allocate resource region 4 of device 08:01.0
PCI: Cannot allocate resource region 0 of device 08:02.0
PCI: Cannot allocate resource region 0 of device 08:02.1
PCI: Failed to allocate resource 4(0-f) for 08:01.0
PCI: Failed to allocate resource 0(0-fff) for 08:02.0
PCI: Failed to allocate resource 0(0-fff) for 08:02.1
Limiting direct PCI/PCI transfers.

======================
This causes the IDE and PCMCIA interfaces in the dock to stop working. I assume that if I has a PCI card in the Dock it would not work also.


Lspci shows the devices, they just do not work.

Any help on fixing this problem would be greatly appreciated.

Cheers,

Mike



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