Linux users of Sony Z1 series

[Bastien Nocera <>]

Nicolas,

On Tue, 2004-11-09 at 01:11 +0100, Brouard Nicolas wrote:
> Le lundi 08 novembre 2004 à 00:40 -0700, Mark Taylor a écrit :
> > On Sun, 2004-11-07 at 16:02, Nils Spengler wrote:
> > > I once wrote a bug report in the kernel bugzilla.
> > > Obviously, suspend to ram is finally working with the
> > > help of a patch or tool.
> > > 
> > > But have a look at the report itself:
> > > http://bugme.osdl.org/show_bug.cgi?id=1730
> > > 
> > > greets,
> > > nils
> > > 
> > > 
> > 
> > Thanks for posting that.  It prompted me to give S3 another try,
> > and this time I got it working.  My problem turned out to be just
> > that I had a "vga=791" grub option, which I think means I was using
> > framebuffer?
> > 
> > 
> > So just for the record: 
> > 
> > Sony Z1A  Fedora Core 3  (no framebuffer!):  
> > S3 works.  Screen is not be functional after resume, unless
> > I use that video_reset tool mentioned in nils bug report.
> > And the console is in an unusable state after resume, but X is
> > working great.  
> > 
> > Mark
> 
> It is great to get such good news.  I also participated to bug 1730
> (opened by Nils Spengler since almost a year now) some months ago and
> forgot my post. So, bugs sent to kernel bugzilla are not forgotten,
> that's very nice.
> 
> If S4 fully works on Sony Z1 as I pointed out in a previous message, and
> even on a production kernel, like Mandrake 10.1 Official (only a few
> patches have to be passed to kernel 2.6.8, like the new sonypi module
> for resuming well), I think that S3 is on the way to work soon... but is
> not fully working today and not on a 2.6.8 kernel.

Use a 2.6.9 kernel. No patching needed (most recent distros include it,
Fedora Core 3 does for example).

> What I understand from the various posts to bug 1730 and 3670 (from
> Bastien Nocera using a Sony S1XP) 
> (http://bugme.osdl.org/show_bug.cgi?id=3670)
> is that  the command
>    echo 3 >/proc/acpi/sleep
> will suspend correctly to RAM on a 2.6.9 kernel. 
> 
> But for resuming correctly and in order to get access to the console,
> (without the need to ssh the laptop) we must use the command:
>   echo 3 > /proc/acpi/sleep && /root/emu/video_post
> where video_post is a "tool" from Venkatesh Pallipadi (Intel) posted by
> Zhu Yi (Intel) at the same time on bug 3670 (comment #7). But I don't
> know what is such a "tool". It seems to be binary. But where is the
> source code?

It's the code, it's a tarball. Download, unpack, compile, install.

<snip>
> It has also be pointed out that usb modules did not resume correctly
> (comment#23 of bug 1730 from Olaf Krische).
> Thus, do we again need a script for S3 suspending/resuming like for S4
> to unload the usb module before suspending?

Not needed with a 2.6.9 kernel.

> Thanks for all these appreciated informations. I wasn't expecting to
> have S4 and soon S3 two months ago.

Cheers

---
Bastien Nocera 
<>