Date: Thu, 18 Mar 2010 22:13:00 -0700 From: Kevin Oberman <oberman@es.net> To: Ian Smith <smithi@nimnet.asn.au> Cc: "stable@freebsd.org" <stable@freebsd.org>, "delphij@freebsd.org" <delphij@freebsd.org> Subject: Re: DPMS broken on ThinkPad T43 since update for amd64 support Message-ID: <A65119AD-4C89-4F19-856E-65646E9ABBE0@es.net> In-Reply-To: <20100319142102.P85436@sola.nimnet.asn.au> References: <20100318153342.4450C1CC26@ptavv.es.net> <20100319142102.P85436@sola.nimnet.asn.au>
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On Mar 18, 2010, at 20:42, Ian Smith <smithi@nimnet.asn.au> wrote: > On Thu, 18 Mar 2010, Kevin Oberman wrote: >> Since the update of DPMS to support amd64 on March 2, it has broken >> rather badly on my ThinkPad T43 laptop. The problem showed up on >> 8-stable built on March 3 and is still present after an update to >> stable >> of March 17. >> >> When in vty text mode, after the idle normal delay, the display >> blanks, >> but the backlight remains on, so the P in DPMS seems to be less than >> effective. At that point, the non-graphics display is dead. It never >> comes back when characters are entered. I can't get the display to >> come >> back without a reboot. >> >> I can, however, start X (and Gnome) and everything is fine. But >> switching back to any vty results in a blank screen. >> >> Any idea what happened and if there is a fix or workaround? Any >> data I >> can collect? > > Have you tried kldloading vesa? Might be a workaround until you > find a > proper fix? Had a similar issue with my T23 at one stage on 7.0, > after > a suspend/resume cycle, which hw.syscons.sc_no_suspend_vtswitch=1 also > helped .. no idea how the T43 might respond to the latter. Thanks, Ian, but it didn't help. The hw.syscons.sc_no_suspend_vtswitch sysctl is only relevant to resuming from suspend and I think I was the one who suggested it to you. I used to have T23 & used it on that systeem. Thanks for the suggestions, though. Sent from my iPod >
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