On Friday, 29 of August 2008, Rafael J. Wysocki wrote:

quoted text
> 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

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.
The symptom is that AHCI probe fails with this commit applied.
Thanks,

Rafael

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