[ltp] Problems with suspend to RAM (S3)

Osho GG linux-thinkpad@linux-thinkpad.org
Tue, 23 Nov 2004 12:52:25 -0800


On Tuesday 23 November 2004 12:20 pm, Michael Perry wrote:
> On Mon, 15 Nov 2004 21:35:09 +0100, Johannes Wolter <j@inutil.org> wrote:
> > Hi,
> >
> > I've a X31 and experienced some problems with suspend to RAM. The wakeup
> > stucks sometimes so that I have to make a hard reboot and I think after
> > one suspend I don't get any ACPI events anymore. I think I read something
> > about it but don't remember where.
> >
> > I'm using 2.6.8-1 (Debian kernel sources).
> >
> > Thx for any advice,
> > Johannes
> > --
> > The linux-thinkpad mailing list home page is at:
> > http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>
> I don't have that laptop model but one of the things I found with a
> vanilla anything kernel and my thinkpad t23 running debian unstable,
> was that the acpi in the kernel would cause kernel panics upon resume.
>  I patched a 2.6.8.1 vanilla/kernel.org kernel with the patches at
> acpi.sf.net that are available and acpi started working quite well.  I
> also wrote a smallish suspend script for lid close events which worked
> very well.  The main thing was that acpi in the kernels I tried never
> worked.
>
> Try building a vanilla kernel and patching it with the latest acpi
> patches and see.
>

I did the same for 2.6.8.1. I applied an acpi patch that made acpi work much 
better. For 2.6.9; I did not need to apply any acpi patches though as many 
acpi patches have been integrated in vanilla kernel. I would suggest moving 
to 2.6.9.

-- 
Osho