[CFT] SMP/i386 suspend/resume

Mitsuru IWASAKI iwasaki at jp.FreeBSD.org
Sun May 13 14:40:28 UTC 2012

Hi, Thanks for your report.

From: Gustau Pérez i Querol <gperez at entel.upc.edu>
Subject: Re: [CFT] SMP/i386 suspend/resume
Date: Sun, 13 May 2012 09:57:33 +0200
Message-ID: <4FAF696D.3060806 at entel.upc.edu>

> Al 11/05/2012 04:10, En/na Mitsuru IWASAKI ha escrit:
> > Hi
> >
> > I've been working on suspend/resume for SMP/i386 for a week
> > and created patches against CURRENT, RELENG_9 and RELENG_8
> > available at:
> >
> > http://people.freebsd.org/~iwasaki/acpi/i386-SMP-suspend-CURRENT-20120511.diff
> > http://people.freebsd.org/~iwasaki/acpi/i386-SMP-suspend-RELENG_9-20120511.diff
> > http://people.freebsd.org/~iwasaki/acpi/i386-SMP-suspend-RELENG_8-20120511.diff
> >
> > A lot of portion of the patches was ported from amd64.
> > Testing on Thinkpad X60 (Core Duo T2300), so far so good :)
> >
> > I'll commit them against CURRENT hopefully next week.
> >
>    Reporting from an Acer Centrino Duo, running CURRENT r235266. The 
> machine has an nvidia card (Ge7300go). The acpi_video and nvidia modules 
> are there.
>    I did test it a few times with X running (plain twm) and worked just 
> fine. Setting hw.acpi.lid_switch_state=S3 allowed me to use the 
> close-the-lid-to-sleep functionality.
>    The problem comes when I suspend the machine in the console. The 
> machine resumes fine (I can ping and ssh it) but the screen remains 
> black. I set hw.acpi.reset_video to 0 or 1 but no go. If I'm in a 
> console but X is running, after the resume I can CTRL+ALT+F9 and get my 
> video back; then I can return to the console. If I don't have X running, 
> I don't know how to get my console back.

I think this is graphic driver problem.  nvidia's driver seems
to have correct suspend/resume method.

Have you try it?


>     Thanks

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