Date: Mon, 16 Aug 2010 11:45:55 +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: <AANLkTinVAuzXz5pNQHZgQjU-5mYaHkUQ1T--4U6Gp3fT@mail.gmail.com> In-Reply-To: <20100808101557.000041ed@unknown> References: <35f41cee-79d9-4bad-c4b1-f6f7f816cf6f@me.com> <20100808101557.000041ed@unknown>
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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 suspend 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
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