Re: Linux 2.6.27-rc5: System boot regression caused by commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd

Yinghai Lu
2008-08-29T23:24:34Z

On Fri, Aug 29, 2008 at 3:31 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
> On Friday, 29 of August 2008, Yinghai Lu wrote:
>> On Fri, Aug 29, 2008 at 12:57 PM, Rafael J. Wysocki <rjw@sisk.pl> wrote:
>> > On Friday, 29 of August 2008, Rafael J. Wysocki wrote:
>> >> On Friday, 29 of August 2008, Linus Torvalds wrote:
>> >> >
>> >> > Another week (my weeks do seem to be eight days, don't they? Very odd),
>> >> > another -rc.
>> >> >
>> >> > The dirstat pretty much says it all:
>> >> >
>> >> > 43.0% arch/arm/configs/
>> >> > 43.9% arch/arm/
>> >> > 25.5% arch/powerpc/configs/
>> >> > 26.8% arch/powerpc/
>> >> > 73.9% arch/
>> >> > 4.4% drivers/usb/musb/
>> >> > 5.4% drivers/usb/
>> >> > 4.0% drivers/watchdog/
>> >> > 16.0% drivers/
>> >> > 3.5% fs/
>> >> >
>> >> > yeah, the bulk of it is all config updates, and with arm and powerpc
>> >> > leading the pack.
>> >>
>> >> Doesn't boot on my quad core test box, apparently because of an AHCI failure.
>> >>
>> >> Bisecting ...
>> >
>> > Bisection turned up commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd as the culprit:
>> >
>> > commit a2bd7274b47124d2fc4dfdb8c0591f545ba749dd
>> > Author: Yinghai Lu <yhlu.kernel@gmail.com>
>> > Date: Mon Aug 25 00:56:08 2008 -0700
>> >
>> > x86: fix HPET regression in 2.6.26 versus 2.6.25, check hpet against BAR, v3
>> >
>> > Reverting this commit helps.
>> >
>>
>> can i get whole bootlog with "debug"?
>
> http://www.sisk.pl/kernel/debug/mainline/2.6.27-rc5/broken.log
>

pci 0000:00:00.0: BAR has MMCONFIG at e0000000-ffffffff
pci 0000:00:12.0: BAR 5: can't allocate resource
pci 0000:00:13.0: BAR 0: can't allocate resource
pci 0000:00:13.1: BAR 0: can't allocate resource
pci 0000:00:13.2: BAR 0: can't allocate resource
pci 0000:00:13.3: BAR 0: can't allocate resource
pci 0000:00:13.4: BAR 0: can't allocate resource
pci 0000:00:13.5: BAR 0: can't allocate resource
pci 0000:00:14.2: BAR 0: can't allocate resource

your mmconf in BAR is broken....

after forcibly insert that block all others...

YH