Re: [GIT PATCH] PCI patches for 2.6.15 - retry

[Alan Cox]

On Iau, 2006-01-12 at 16:55 +1300, Reuben Farrelly wrote:
> ata1: SATA max UDMA/133 cmd 0x0 ctl 0x2 bmdma 0x0 irq 0
> ata2: SATA max UDMA/133 cmd 0x0 ctl 0x2 bmdma 0x8 irq 0
> Unable to handle kernel NULL pointer dereference at virtual address 00000000

That is the critical bit. The SATA ports have no PCI resources assigned
for bus mastering (BAR 4). libata should have driven the device PIO in
this case but the resource should have been assigned.

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