Re: [Bug #13306] hibernate slow on _second_ run

Rafael J. Wysocki
2009-07-07T10:58:33Z

On Tuesday 07 July 2009, Johannes Berg wrote:
> On Tue, 2009-07-07 at 02:00 +0200, Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a report
> > of regressions introduced between 2.6.29 and 2.6.30.
> >
> > The following bug entry is on the current list of known regressions
> > introduced between 2.6.29 and 2.6.30. Please verify if it still should
> > be listed and let me know (either way).
> >
> >
> > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13306
> > Subject : hibernate slow on _second_ run
> > Submitter : Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
> > Date : 2009-05-14 09:34 (54 days old)
>
> Still exists in 31-rc2.

Thanks for the update.

Last time I remember you managed to collect some ftrace output from the failing
case, but they didn't reveal anything directly.

We know, however, that is [suspend|resume]_device_irqs() in
driver/base/power/main.c are disabled, the issue doesn't show up.

Is that correct?

Rafael