On Sat, 2 Oct 2010, Alexandre "Sunny" Kovalenko wrote:
> On Sat, 2010-10-02 at 16:34 +1000, Ian Smith wrote:
> > On Fri, 1 Oct 2010, Paul B Mahol wrote:
> > > On 10/1/10, Ian Smith <smi...@nimnet.asn.au> wrote:
> > > > On Thu, 30 Sep 2010, Matt wrote:
> > > > > Success!
[..]
> > > > > acpiconf -s4 causes shutdown, does not resume on power on.
> > > >
> > > > Suspend To Disk is not expected to work; your laptop (like most) has
> > no
> > > > BIOS support for S4, as per your hw.acpi.s4bios: 0
> > >
> > > Suspend to disk does not work because FreeBSD does not support it.
> > > (s4bios is irrelevant here)
> >
> > Ah, when did that break? It worked fine on my old Compaq 1500c ('99!)
> > on FreeBSD 5.5, s4bios=1, though for another reason I couldn't usually
> > run ACPI on it, and APM STD and STR work. I found a message from someone
> > with a Dell Inspiron something a few years ago reporting S4BIOS working,
> > modulo a fixable screen resume issue that he had resuming from S3 also.
> On my IBM ThinkPad 701C "Butterfly" BIOS-supported suspend-to-disk broke
> somewhere between 4.11 and 5.2.1. Upon resume in 5.2.1 system would go
> into endless loop of ata timeouts and never come back.
I haven't tried since 5.5. Have you tried it again with 7|8|9?
I realise that machines supporting S4BIOS are becoming rarities (a bit
like real modems vs 'winmodems' I guess) but has anyone heard of anyone
succeeding - or failing - to hibernate with machines that used to work?
I'm pretty sure I'd have noticed posts/PRs re this, in acpi@ at least.
The 1500c is still in service, still using APM, so I can't pull it down
to test either this or its big issue with ACPI back then (not switching
to battery power on loss of AC - clunk!) Maybe when I get a Soekris or
similar box going, paqi can be put out to pasture for its 12th birthday,
like an old working horse :)
cheers, Ian
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