On Sunday, 11 of November 2007, Andrey Borzenkov wrote:
> On Sunday 11 November 2007, Rafael J. Wysocki wrote:
> > On Sunday, 11 of November 2007, Andrey Borzenkov wrote:
> > > On Monday 05 November 2007, Andrey Borzenkov wrote:
> > > > Notice "hung" not "hangs". This happened so far only once - when low battery
> > > > condition triggered suspend to disk. I was not able to reproduce it after
> > > > this running on AC.
> > > >
> > > > Just in case it rings the bell for someone. This is not suspend regression
> > > > reported earlier by Jens - I do not even have SATA nor is using libata
> > > > drivers.
> > > >
> > >
> > > This happened second time, now with 2.6.24-rc2. I have kpowersave configured
> > > to initiate suspend-to-disk on low battery. Suspend-to-disk is initiated,
> > > but system stops after Suspending console line. Suspend image is not created.
> > >
> > > This did work before although I do not name exact version.
> > >
> > > I am rather at loss how to proceed further ... any idea? dmesg and config
> > > attached just in case. The problem is that hibernation works when I initiate
> > > it manually ...
> >
> > Have you tried it with the battery removed?
> >
> >
>
> It works. Subjectively I have relatively long pause after first Suspending console
> message (where it hangs otherwise), according to dmesg timestamp it is about
> 1 second before next messages appear. Also last two times I tried it writeout
> of suspend image was really slow; it was both with and without battery. Reading
> on resume in really in order of magnitude faster.
>
> But manual STD so far works both on AC (with or without battery) or on battery.
>
> Of course it is possible that battery gets exhausted during STD, but system
> is not switched off. Rather I would suspect something like ACPI notification
> that comes during freeze ...
Frankly, I'm suspecting a deadlock in the ACPI code.
Please try to make kpowersave start hibernation a bit earlier and see what
happens.
What's your critical time now?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
