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SubjectRe: drivers/pci/probe.c patch in causes 'cannot adjust BAR0 (not I/O)' on NVidia MCP51
Kevin P. Fleming wrote:
> I just upgraded from to on my Compaq V6000 laptop,
> which has an NVidia core chipset. It has the MCP51 and uses it for PATA
> and SATA.
> Booting the kernel causes two messages (and a kernel lockup)
> like this:
> 0000:00:0d.0: cannot adjust BAR0 (not I/O)
> 0000:00:0d.0: cannot adjust BAR1 (not I/O)

BTW I see this too on my laptop ( older PackardBell EasyNote K ) if I
use P-ATA but I can boot for some reason.



[ 18.754623] Enabling SiS 96x SMBus.
[ 18.754812] 0000:00:02.5: cannot adjust BAR0 (not I/O)
[ 18.754816] 0000:00:02.5: cannot adjust BAR1 (not I/O)
[ 18.754819] 0000:00:02.5: cannot adjust BAR2 (not I/O)
[ 18.754822] 0000:00:02.5: cannot adjust BAR3 (not I/O)


> Booting without ACPI, without APIC, without LAPIC makes no usable
> difference (although sometimes I will also receive a message about BAR2).
> This patch:
> is the cause... backing it out results in a working kernel on
> my laptop.
> I'll be happy to provide any assistance I can debugging this problem.
> Thanks.



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