Re: 2.6.26-git0: IDE oops during boot

["Nish Aravamudan" <nish.aravamudan@gmail.com>]

On 2/7/08, Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> wrote:
>
> On Thursday 07 February 2008, Kamalesh Babulal wrote:
> > Bartlomiej Zolnierkiewicz wrote:
> > > Hi,
> > >
> > > On Wednesday 06 February 2008, Pavel Machek wrote:
> > >> On Wed 2008-02-06 11:53:34, Pavel Machek wrote:
> > >>> Hi!
> > >>>
> > >>> Trying to boot 2.6.25-git0 (few days old), I get
> > >>>
> > >>> BUG: unable to handle kernel paging request at ffff..ffb0
> > >>> IP at init_irq+0x42e
> > >
> > > init_irq? hmm...
> > >
> > >>> Call trace:
> > >>> ide_device_add_all
> > >
> > > this comes from ide-generic
> > > (Generic IDE host driver)
> > >
> > >>> ide_generic_init
> > >>> kernel_init
> > >>> child_rip
> > >>> vgacon_cursor
> > >>> kernel_init
> > >>> child_rip
> > >>>
> > >>> Excerpt from config:
> > >>>
> > >>> CONFIG_IDE=y
> > >>> CONFIG_BLK_DEV_IDE=y
> > >> Disabling CONFIG_IDE made my machine boot, as it was using libata
> > >> anyway.
> > >
> > > Kamalesh/Pavel:
> > >
> > > Could you try latest git and see if the OOPS is still there?
> > >
> > > [ Yeah, I'm unable to reproduce it. :( ]
> > >
> > > Thanks,
> > > Bart
> > Hi Bart,
> >
> > The panic is reproducible with the 2.6.24-git16 kernel, the call trace is
> > similar to the previous one
>
> Thanks, I again reviewed ide-probe.c changes but nothing seems wrong...
>
> Could you please bisect it down to the guilty commit?

Kamalesh, were you able to bisect this down? I just got hit by the
same panic on a 4-way x86_64, with 2.6.24-git22.

Thanks,
Nish