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SubjectRe: 2.6.19-rc5: grub is much slower resuming from suspend-to-disk than in 2.6.18
Hi,

On Mon, Nov 13, 2006 at 06:42:15AM +0300, Andrey Borzenkov wrote:
> On Sunday 12 November 2006 17:55, Pavel Machek wrote:
> > On Sun 12-11-06 14:36:41, Andrey Borzenkov wrote:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > >
> > > This is rather funny; in 2.6.19-rc5 grub is *really* slow loading kernel
> > > when I switch on the system after suspend to disk. Actually, after kernel
> > > has been loaded, the whole resuming (up to the point I have usable

The most important question:
What filesystem is your /boot on? I'd bet quite some money that it is reiser
or some other journaling FS (not ext3).

> > > desktop again) takes about three time less than the process of loading
> > > kernel + initrd. During loading disk LED is constantly lit. This almost
> > > looks like kernel leaves HDD in some strange state, although I always
> > > assumed HDD/IDE is completely reinitialized in this case.
> >
> > Seems like broken hw, really. No state should survive machine
> > poweroff.

No. Broken FS / crappy GRUB.

> To recap - this never happens upon simple power off; I do not remember this to

I am pretty sure that it will also happen if you do "updatedb &", wait a
minute and then do a _HARD_ power off.

I am pretty sure that it has nothing to do with the kernel version, just with
the layout of your /boot partition (which of course changes with every kernel
update). In other words: until now, you just have been lucky.
--
Stefan Seyfried
QA / R&D Team Mobile Devices | "Any ideas, John?"
SUSE LINUX Products GmbH, Nürnberg | "Well, surrounding them's out."
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