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Date:      Fri, 08 Dec 2006 13:58:23 -0800
From:      Nate Lawson <nate@root.org>
To:        Ian Smith <smithi@nimnet.asn.au>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: screen dead after resume on Thinkpad X30
Message-ID:  <4579DFFF.1090200@root.org>
In-Reply-To: <Pine.BSF.3.96.1061208162342.14509B-100000@gaia.nimnet.asn.au>
References:  <Pine.BSF.3.96.1061208162342.14509B-100000@gaia.nimnet.asn.au>

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Ian Smith wrote:
> On Thu, 7 Dec 2006, Nate Lawson wrote:
>  > Ian Smith wrote:
>  > > Not sure if it's your {,only} problem, but the default value for
>  > > hw.acpi.reset_video changed fairly recently, I think from 1 to 0, as I
>  > > had to set hw.acpi.reset_video=0 in /etc/sysctl.conf on a Thinkpad T23
>  > > on 6.1-RELEASE.  You'll find recent references to this in the archives. 
>  > > 
>  > > Try hardwiring the value from your working version into sysctl.conf.
>  > > 
>  > > FWIW, I also needed hw.syscons.sc_no_suspend_vtswitch=1 on the T23.
>  > 
>  > Thanks for answering.  The reason why the default is now 0 is that it 
>  > caused some systems to spontaneously reset if it was 1.  I did a quick 
>  > check and it seemed that 1 causes more trouble overall than 0 so 0 is 
>  > the default.
> 
> Fair enough too .. but since this is likely to catch a few more folks
> unawares, do you think it may be worth a mention in /usr/src/UPDATING?

I'll try to get it into the release notes for 6.2.

-- 
Nate



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