Date: Sun, 05 Jun 2005 20:23:38 -0700 From: Nate Lawson <nate@root.org> To: Kevin Oberman <oberman@es.net> Cc: freebsd-acpi@freebsd.org Subject: Re: Minor sleep (S#) regression on IBM T30 Message-ID: <42A3C1BA.6030909@root.org> In-Reply-To: <20050606024810.45FE95D08@ptavv.es.net> References: <20050606024810.45FE95D08@ptavv.es.net>
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Kevin Oberman wrote: > I just noticed that sleep (S3) and resume have broken just a bit on > current. I don't know if the recent graphics console patches or the > updates to acpi_ibm or something else is responsible. Since I don't > often use suspend, it may have happened as long as two months ago. > > The problem is that the back-light no longer turns on when the system > is resumes. I can get it to turn of trivially by switching to a > different vty, so it's not a big thing, but it is a slight regression. > > Any ideas of what I could check? > > I am running the acpi_ibm patches and using a high resolution VESA > graphics console mode (1400x1050x16) on the syscons screens as well as > jhb's acpi_video_dpms patch. The Thinkpad backlight is totally driven by SMI on FreeBSD and Linux. I think the syscons mode may affect things or some combination of syscons and X. I can't turn off the backlight on my T23 with X DPMS at all. -- Nate
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