Re: Resume hanging on MSI motherboard

[Pierre Ossman <pierre-list@ossman.eu>]

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Anyone?

On Fri, 4 Dec 2009 08:17:39 +0100
Pierre Ossman <pierre-list@ossman.eu> wrote:

> I have a MSI Neo2-Digital board that I'm trying to get suspend working
> on. I'm not having much luck though, so I need some pointers on how to
> debug this.
> 
> The symptoms are that the machine shuts down when suspend is triggered
> and wakes up when the power button is pressed or an usb device pokes
> it. Unfortunately it never gets back to a running state. It rattles a
> bit on the disk, powers up the fans and turns on the LEDs, but that's
> it.
> 
> Doing a suspend in Windows has entirely different behaviour. There it
> keeps all fans running, and doesn't do much in the way of saving power.
> It goes from 90 W to 67 W from idle to "standby". The [broken] state
> Linux puts the system in OTOH runs at 13 W ("off" is 10 W).
> 
> I've been trying to use pm_trace to debug where things lock up, but I'm
> not able to get it to work. I do "echo 1 > /sys/power/pm_trace" and
> then suspend the machine. But at the next boot, the clock is still sane
> so it seems like the PM code never stores anything.
> 
> Help :/
> 
> Rgds


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     -- Pierre Ossman

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