Re: [Bug #11989] Suspend failure on NForce4-based boards due to chanes in stop_machine

Rafael J. Wysocki
2008-11-10T14:47:20Z

On Monday, 10 of November 2008, Heiko Carstens wrote:
> On Sun, Nov 09, 2008 at 06:59:16PM +0100, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of recent regressions.
> >
> > The following bug entry is on the current list of known regressions
> > from 2.6.27. Please verify if it still should be listed and let me know
> > (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=11989
> > Subject : Suspend failure on NForce4-based boards due to chanes in stop_machine
> > Submitter : Rafael J. Wysocki <rjw@sisk.pl>
> > Date : 2008-11-03 0:28 (7 days old)
> > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c9583e55fa2b08a230c549bd1e3c0bde6c50d9cc
> > References : http://marc.info/?l=linux-kernel&m=122567187604356&w=4
>
> Hi Rafael,

Hi,

> could you provide more informations for this, please?
>
> What is your kernel configuration?

Available at: http://www.sisk.pl/kernel/debug/mainline/2.6.28-rc3/kitty-config

> Do you have any binary only modules (nvidia?) loaded?

No, I don't.

> Is it possible to recreate the bug by e.g. just doing something like
>
> echo 0 > /sys/devices/system/cpu/cpu1/online

I haven't checked (yet), I'll do that later today and let you know.

> (or any other online cpu)? Or does it trigger any lockdep warnings?

Thanks,
Rafael