Messages in this thread | | | Date | Sun, 25 Mar 2007 18:43:28 +0200 | From | Gabriel C <> | Subject | Re: drivers/pci/probe.c patch in 2.6.20.4 causes 'cannot adjust BAR0 (not I/O)' on NVidia MCP51 |
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Kevin P. Fleming wrote: > I just upgraded from 2.6.20.2 to 2.6.20.4 on my Compaq V6000 laptop, > which has an NVidia core chipset. It has the MCP51 and uses it for PATA > and SATA. > > Booting the 2.6.20.4 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.
snip
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[ 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)
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> Booting without ACPI, without APIC, without LAPIC makes no usable > difference (although sometimes I will also receive a message about BAR2). > > This patch: > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ed8ccee0918ad063a4741c0656fda783e02df627;hp=9e5755bce00bb563739aeb0f09932a1907521167 > > is the cause... backing it out results in a working 2.6.20.4 kernel on > my laptop. > > I'll be happy to provide any assistance I can debugging this problem. > Thanks. >
Reagrds,
Gabriel
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