Date: Tue, 16 Nov 2010 20:06:01 +0100 From: Stefan Walter <stefan@freebsd.org> To: freebsd-stable@freebsd.org, freebsd-multimedia@freebsd.org Subject: Re: 8.1-RELEASE: snd_hda works as module only, suspend/resume leaves display off Message-ID: <20101116190601.GE1435@birne.dunkelkammer.void> In-Reply-To: <201011161444.00227.bruce@cran.org.uk> References: <20101115093709.GA1452@birne.dunkelkammer.void> <201011161444.00227.bruce@cran.org.uk>
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[-- Attachment #1 --] Bruce Cran, 16.11.10, 15:44h CET: > On Monday 15 November 2010 09:37:09 Stefan Walter wrote: > > > Suspend To RAM (S3) works by using "acpiconf -s 3", and pushing the power > > button wakes the system up again. Everything seems to work, only the LCD > > monitor remains off. (There also seem to be occasional cases in which the > > keyboard doesn't work any more, but I haven't really looked at that, yet. > > Usually, the system comes back up properly.) Loading dpms(4) doesn't seem > > to make a difference. The only way to turn the display on again seems to > > be typing "shutdown -r now" blindly. > > What graphics card do you have? If it's nVidia, try building the driver with > ACPI_PM enabled and running "acpiconf -s3" from X11. That boots the video chip > up on my laptop at least - though it seems some corruption occurs because I've > had some odd panics afterwards in the fs and vm subsystems, and attempting to > suspend for a second time results in the system rebooting instead. It's an ATI Radeon HD 4200 integrated on the mainboard, using x11-drivers/xf86-video-ati. It now works from the console with hw.acpi.reset_video=1. From within X11, it doesn't. Regards, Stefan [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iQGVAwUBTOLWGVaRERsSueCzAQLbsQv+MLkgcsJITUJKyrVAbZJIELNyZE/kFgjE TXpFosoRDUaVtEAAnXeSldt3iTL/BebwBnWy/x92h7oq1DHlMjatkMDl9w0fQUkD caE1z5qA86wsXBci8wj91/jFecV0pcOKrQ/GydGeLLhOlDMih++h+hjKFV2WzUd2 MdEbD4p8HBI2+x3LnEXCfkQe30m2hjc51IxAr7+1ySir6CjdIyVsZS8lz/mJCsvP YIuip8LkY9/hrOyXBJ3jtbzbP0MxYONzAYdS1FaXslsZbo/omp1lqNzYkPIFubmX QUgwhg9MwEhE/WXTmUWwEMB8iHQEbDLde3rH/a7qQDm0fQZWAPmisSRjLOo7G31c W2sPnFnh36PDviEI2hkn8n/FK1eoZHlTUWqAFdBIDjqi8DHyvqGmsXQ4/DDaUhUy 5KcrPEuZo70CkAoul/KEUqL94OmOKbb1qprfReuZaqSPc6NB5DUv2S9nLGogZLdz puq++U5bM6qhyjjbM8UJa5us6f3rReaO =b8WG -----END PGP SIGNATURE-----
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