linux-kernel - Re: [patch] KVM: T60 resume fix

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Message-ID: <20070305125008.GA21735@elte.hu>
Date:	Mon, 5 Mar 2007 13:50:08 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Michael S. Tsirkin" <mst@...lanox.co.il>
Cc:	Avi Kivity <avi@...ranet.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	Pavel Machek <pavel@....cz>, Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>, linux-pm@...ts.osdl.org,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Daniel Walker <dwalker@...sta.com>, Len Brown <lenb@...nel.org>
Subject: Re: [patch] KVM: T60 resume fix


* Michael S. Tsirkin <mst@...lanox.co.il> wrote:

> > suspend/resume works fine now and there are no warning messages 
> > whatsoever (with suspend simulation). Thanks Avi!
> 
> I just tried Ingo's .config and it hangs on resume for me (with 
> suspend to memory).

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 the 
kernel doesnt resume the t60's vga properly)

on my box resume works, but it's incredibly slow. Takes a few minutes to 
have total effect.

	Ingo
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