Adventure into S3 state and back

[Lars Engels]

On Sun, Nov 13, 2011 at 02:29:24PM +0100, rank1seeker at gmail.com wrote:
> ----- Original Message -----
> From: Lars Engels <lars.engels at 0x20.net>
> To: rank1seeker at gmail.com
> Cc: pyunyh at gmail.com, hackers at freebsd.org, freebsd-acpi at freebsd.org
> Date: Sun, 13 Nov 2011 10:48:10 +0100
> Subject: Re: Adventure into S3 state and back
> > 
> > stop moused in rc.suspend and start it in rc.resume.
> > 
> 
> Thanks, but it isn't that.
> Even with it, mouse works on random, after resume from S3.
> 
> But what I did figured out, looking kernel msgs on console, just after 
> resume, is that IF I see >1 of this:
> --
> uhub_reattach_port: port 1 reset failed, error=USB_ERR_TIMEOUT
> uhub_reattach_port: device problem (USB_ERR_TIMEOUT), disabling port 1
> --
> 
> Mouse won't work unless I unplug/plug it's USB receiver
> 

You might also build a trimmed down kernel without USB support compiled
in and use USB modules. Before suspending, unload them and re-load them
after waking up again. That used to work on my Thinkpad.
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