From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ingo Molnar <mingo@elte.hu>
Subject: Re: [patch] KVM: T60 resume fix
Date: Mon, 5 Mar 2007 14:32:21 +0100
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To: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Daniel Walker <dwalker@mvista.com>, Michal Piotrowski <michal.k.k.piotrowski@gmail.com>, linux-pm@lists.osdl.org, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, Avi Kivity <avi@qumranet.com>, Adrian Bunk <bunk@stusta.de>, Pavel Machek <pavel@ucw.cz>, Jens Axboe <jens.axboe@oracle.com>, Thomas Gleixner <tglx@linutronix.de>, Linus Torvalds <torvalds@linux-foundation.org>, Andrew Morton <akpm@linux-foundation.org>
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* Michael S. Tsirkin <mst@mellanox.co.il> wrote:

> > could you try 's2ram' from http://suspend.sf.net ? It's basically =

> > equivalent to 'echo mem > /sys/power/state', but you can usually also =

> > see the reason why it doesnt resume, on the vga console. (by default th=
e =

> > kernel doesnt resume the t60's vga properly)
> =

> OK, I'll give it a try. Do I have to shut down X or is it enough to =

> switch to another VT?

s2ram takes care of that on your behalf.

> > on my box resume works, but it's incredibly slow.
> =

> I guess it is possible that what I mistook for a hang was actually an =

> incredibly slow system, and that it would resume, eventually. I waited =

> for 5 min and gave up.

5 min should be enough to have the box pingable again.

> However, after resume was completed, system would hang on the *next* =

> suspend to ram.
> =

> Ingo, do you see this behaviour, or can you suspend/resume any number =

> of times?

havent tried that yet - first trying to figure out why the first resume =

misbehaves ;)

	Ingo