Date: Mon, 16 Aug 2010 12:34:06 +0200 From: David DEMELIER <demelier.david@gmail.com> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-acpi@freebsd.org, "geoffrey.ferrari" <geoffrey.ferrari@me.com> Subject: Re: Black Display after suspend/resume on Thinkpad X201 with 8.1/amd64 Message-ID: <AANLkTim63=4mTAcP-cDJ%2BAvErUwmi0wmCFdYxtJveHOX@mail.gmail.com> In-Reply-To: <AANLkTinVAuzXz5pNQHZgQjU-5mYaHkUQ1T--4U6Gp3fT@mail.gmail.com> References: <35f41cee-79d9-4bad-c4b1-f6f7f816cf6f@me.com> <20100808101557.000041ed@unknown> <AANLkTinVAuzXz5pNQHZgQjU-5mYaHkUQ1T--4U6Gp3fT@mail.gmail.com>
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2010/8/16 David DEMELIER <demelier.david@gmail.com>: > 2010/8/8 Bruce Cran <bruce@cran.org.uk>: >> On Sat, 07 Aug 2010 02:30:13 -0700 (PDT) >> "geoffrey.ferrari" <geoffrey.ferrari@me.com> wrote: >> >>> The current situation is that the machine will su=EF=BB=BFspend using >>> acpiconf -s 3 and it will also resume. The problem is that the LCD >>> display does not resume correctly after suspend - instead it just >>> stays black. I've been randomly tweaking various things, and get >>> slightly different results. Sometimes the display stays black in the >>> sense the display is still completely switched off. Othertimes, I >>> think the display switches on, but nothing is displayed, so that the >>> display is on but showing nothing except a black background. However, >>> I can still type blind and e.g. shutdown/restart the machine. >> >> I'm having the same problem with a Dell XPS M1530 and 9-CURRENT - the >> display refuses to switch on after resuming. I've tried >> hw.acpi.reset_video, switching consoles using vidcontrol and using the >> acpi_video module: setting the reset_video sysctl causes the machine to >> reboot during resume, and toggling hw.acpi.video.crt1.active just >> produces a beep with no change in the LCD status (it works before >> suspend). >> >> http://blog.higherthings.org/borghardt/article/3077.html suggests that >> on a different XPS machine with Linux the VESA BIOS Extensions shouldn't >> be saved/restored - is there a way to try disabling that on FreeBSD? >> >> -- >> Bruce Cran >> _______________________________________________ >> freebsd-acpi@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-acpi >> To unsubscribe, send any mail to "freebsd-acpi-unsubscribe@freebsd.org" >> > > Hey, > > It seems that -CURRENT make my laptop suspend/resume correctly. Before > when I was resuming, I canno't do anything even shutdown didn't work > (probably panic) here it seems that the screen still stays black but I > can shutdown, probably it will works soon :-) > > -- > Demelier David > I enabled device dpms, and vesa stuff in the -CURRENT GENERIC kernel config but for the moment it resumes well (even the screen!) but take a look at the graphic output : http://files.malikania.fr/Photo0176.jpg This is X after resuming. Maybe the graphic card `cache|buffer' should be cleaned. Suspend and resuming works on my laptop now ! --=20 Demelier David
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