s2ram (was Re: [2/6] 2.6.21-rc2: known regressions)

Pavel Machek
2007-03-10T22:05:17Z

Hi!

> > > Even if one doesn't use the fb console at all, radeonfb apparently
> > > is still required on some ThinkPad models to work around BIOS bugs:
> > >
> > > http://www.thinkwiki.org/wiki/Problem_with_high_power_drain_in_ACPI_sleep#Radeon_GPU_not_powered_off
> >
> >
> > s2ram should be able to work around this, it has parts from
> > radeontool. (suspend.sf.net).
>
> i'm wondering, do you have any idea how Windows handles the
> suspend/resume quirks problem area? Do they "curse BIOS vendors and

Windows actually have (kernel) graphics drivers that know how to
resume the video. If you boot save mode, they go w/o graphics drivers,
and have similar problems to us.

> btw., the s2ram database seems quite a bit spotty:
>
> $ ./s2ram -n
> Machine is unknown.
> This machine can be identified by:
> sys_vendor = "System manufacturer"
> sys_product = "System Product Name"
> sys_version = "System Version"
> bios_version = "ASUS A8N-E ACPI BIOS Revision 1008"
>
> $ ./s2ram -n
> Machine is unknown.
> This machine can be identified by:
> sys_vendor = "Hewlett-Packard "
> sys_product = "compaq nx9030 (PG630ET#ABD) "
> sys_version = "Rev 1 "
> bios_version = "F.15 "
> See http://en.opensuse.org/S2ram for details.

Desktops are the problem; but that nx9030 should be reasonably easy to
add.

> even at the link above i didnt find any clear algorithm about how to
> extend the quirks-list and the white-list - while i expect that most
> people experience what i did: that s2ram doesnt know their boxes.
> (otherwise they would not visit that URL at all i suspect)

Did you get options for s2ram that work on your systems? Mail them to
seife@suse.de, and he'll extend the whitelist ;-). In the meantime,
just use -f <whatever>
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html