[Debian-eeepc-devel] 1201n and pm-utils : pm-hibernate/pm-suspend

[giggzounet]

2010/2/8 Alan Jenkins <sourcejedi.lkml at googlemail.com>

> On 2/7/10, giggzounet <giggzounet at gmail.com> wrote:
> > Alan Jenkins a écrit :
> >> On 2/6/10, giggzounet <giggzounet at gmail.com> wrote:
> >>> Hi,
> >>>
> >>> On my eeepc 1201n + lenny + backports + eeepc script from sid I have
> >>> tested the pm-utils things :
> >>>
> >>> pm-hibernate seems to work without problem. I just enter "sudo
> >>> pm-hibernate" and it seems to work : after resume I have internet
> >>> through the ethernet card. sound. video.
> >>>
> >>> pm-suspend seems to work under X but not under a tty1. Is it normal ?
> >>> under X If I enter "sudo pm-suspend" then I resume, all seems to work.
> >>> But under a virtual terminal, I don't have the video after resume. is
> >>> there a trick ?
> >>
> >> This is somewhat expected.
> >>
> >> You're not using the experimental free noveau kernel mode-setting
> >> driver.  So the kernel can't restore the video card state.  You're
> >> relying on the proprietary X driver to restore the video card state.
> >>
> >
> > I don't understand.
> > Under X (so with nvidia driver) it works great. But when I kill X...so
> > no more nvidia proprio driver. and I enter "sudo pm-suspend" on a tty. I
> > can't resume the video.
> >
> > Is the framebuffer necessary to resume ?
>
> There isn't a standard way to resume (re-initialize) the video of an
> "IBM PC".  In practice ACPI doesn't provide any help either.
> Therefore you *need* either a BIOS-specific quirk, or a video-card
> specific driver.  Does that explain it?
>
>
Ah ok.


> So without a working quirk, X with nvidia or nv can work, but not a
> generic driver like the X vesa driver, or the kernel text console
> driver.  Noveau can also work, and the latest version includes a
> kernel modesetting driver, so it can work without X.
>
>
Ok. I have read that people doesn't have problem when they start with
"video=". I know that's vesa driver. But I will test it in oder to be sure
that it's doesn't work.

[snip]

Ok. thx for your help
GiGGz
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