Re: 2.6.30-rc6: Reported regressions from 2.6.29

Bartlomiej Zolnierkiewicz
2009-05-18T16:31:04Z

On Sunday 17 May 2009 18:19:16 Borislav Petkov wrote:
> Hi,
>
> On Sun, May 17, 2009 at 03:32:11PM +0200, Frederic Weisbecker wrote:
> > On Sun, May 17, 2009 at 09:33:27AM +0200, Ingo Molnar wrote:
> > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13297
> > > > Subject : kernel panic - not syncing : fatel exception in interupt
> > > > Submitter : rob <rob1@housetosell.net>
> > > > Date : 2009-05-12 19:34 (5 days old)
> > > > References : http://marc.info/?l=linux-kernel&m=124216126903309&w=4
> > >
> > > tainted crash, but probably legit. It does show some badness in an
> > > old-IDE legacy codepath:
> > >
> > > [<c0371865>] error_code+0x65/0x6c
> > > [<c0110155>] do_page_fault+0x0/0x1e0
> > > [<c027dafc>] ide_complete_rq+0xf/0x3b
> > > [<c02870a0>] cdrom_newpc_intr+0x64d/0x6cd
> > > [<c0286a53>] cdrom_newpc_intr+0x0/0x6cd
> > > [<c027dcc2>] ide_intr+0x109/0x161
> > > [<c0132298>] handle_IRQ_event+0x54/0xc7
> > > [<c013354a>] handle_level_irq+0x4f/0x85
> > > [<c0103df7>] handle_irq+0x17/0x20
> > > [<c0103da5>] do_IRQ+0x2b/0x66
> > > [<c0102be9>] common_interupt+0x29/0x30
> > > [<c0480000>] cmd40x_init+0x2ac/0x38d
> > > [<c0106db3>] default_idle+0x25/0x38
> > > [<c01019be>] cpu_idle+0x19/0x2d
> > > [<c0468907>] start_kernel+0x23f/0x242
> > >
> > > report subject line is too unspecific, it should be changed to
> > > something like:
> > >
> > > legacy IDE cmd40x related bootup crash
> >
> >
> > It seems the crash has been rewritten by hand. I don't see
> > any cmd40x_init(), I guess it's about cmd640 chipset, then
> > cmd640x_init()

Frederic, is the oops reproducible? Is 2.6.30-rc6 any better?

Does it help if you disable CONFIG_BLK_DEV_CMD640?
(this system doesn't have CMD640 chipset)