[ltp] Suspend with kernel 2.6.22.1

[Florian Reitmeir]

On Tue, 31 Jul 2007, Mihai C=C4=83lin Bazon wrote:

> I use no SD and only have 3 ext3 filesystems mounted (/boot, / and
> /home) which again, used to work fine to suspend with 2.6.20.1.  Not
> sure what I can do except downgrading to that version...  All the
> process seems to go well, but the machine just doesn't power down.
>=20
> I found those patches before but they don't apply cleanly to 2.6.22.1.

suspend is working on the X/T60 series, so the problem is to find out which
feature prevents sometimes the power off.

so please use only the plain kernel, no patches, and just try to remove some
sub-systems to get more clue whats going on.

> Will try to enable PM_DEBUG when I'll have another few hours to waste wit=
h this.

ok

>=20
> -M.
>=20
> On 7/31/07, Martin Lorenz <martin@lorenz.eu.org> wrote:
> > On Tue, Jul 31, 2007 at 12:47:08AM +0200, Florian Reitmeir wrote:
> > > On Mon, 30 Jul 2007, Mihai C=C4=83lin Bazon wrote:
> > >
> > > > I recently upgraded my kernel to 2.6.22.1, after having previously
> > > > used 2.6.20.1 (where suspend worked well, both to mem and to disk).
> > > > Now all I get is:
> > > >
> > > >     Suspending console(s)
> > > >
> > > > and the system is frozen.  Googling for it, I found a few people
> > > > reporting the same problem but no solutions yet.
> > > >
> > > > Anyone here having similar problems? (and maybe solutions? :D)
> > > >
> > > > ( ThinkPad T60p, though I'm not sure it matters all that much... )
> > >
> > > - make sure you use no SD card while suspending,
> >
> > I always suspend with my SD card mounted
> >
> > > - try to minimize the number of mounted filesystem to a minimum
> >
> > why this?
> > should I unmount filesystems prior to suspending?
> >
> > >
> >
> > what the hell did they do?
> > I was about to change to 2.6.22(.1) today but I think I will leave it a=
lone
> > until this is worked out.
> >
> > Is there some testing to be done?
> > are there patches to be tried on different configurations?
> > mine is X60s 1702-55G
> >
> > and what about the change of sda to hda mentioned in the other mail?
> >
> > tnx
> >   mlo
> > --
> > Dipl.-Ing. Martin Lorenz
> >
> >             They that can give up essential liberty
> >             to obtain a little temporary safety
> >             deserve neither liberty nor safety.
> >                                    Benjamin Franklin
> >
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> >
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> >
>=20
>=20
> --=20
> Mihai Bazon,
> http://mihai.bazon.net/blog

--=20
Florian Reitmeir