Date: Sat, 26 Nov 2005 20:25:58 -0600 From: Eric Anderson <anderson@centtech.com> To: "Greg 'groggy' Lehey" <grog@freebsd.org> Cc: acpi@freebsd.org, freebsd-stable@freebsd.org, Graham North <northg@shaw.ca> Subject: Re: ACPI problems with Dell laptops Message-ID: <43891936.7090904@centtech.com> In-Reply-To: <20051123195120.GE908@eucla.lemis.com> References: <4383C20E.20509@shaw.ca> <20051123195120.GE908@eucla.lemis.com>
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Greg 'groggy' Lehey wrote: > On Tuesday, 22 November 2005 at 17:12:46 -0800, Graham North wrote: > >>Am currently trying to choose between a couple of laptops, the luck >>winner of which will have Freebsd loaded alongside WinXP. >> >>Dell Latitude d600 with Radeon 9000? video, intel pro wireless >>or >>IBM R51 - Intel Extreme2, intel pro wireless. >>The main differences will likely be the video and maybe bios, acpi...? >>Can someone suggest to me whether these are both safe choices? >>Am I better off installing 5.4 or 6.0? > > > I've had both Dell and ThinkPad (no longer IBM). I prefer Dell, > despite their attempts to convince me otherwise. > > However, we currently seem to have significant ACPI problems with Dell > laptops. I'm writing this on an Inspiron 6000 running 7-CURRENT, but > the same problems occur with 6.0: if I enable ACPI, timing goes to > hell, and some things just time out. There was a similar message a > couple of days ago from an owner of (I think) the latest Latitude > machine, which sounded even worse. My requests for feedback about how > to solve the problem have so far not been resolved. If you're > otherwise tending towards Dell, I'd suggest you watch this space until > there's some indication that the problems will be resolved. > > Nothing of this says that ThinkPads will do better, of course. I > don't know what the situation is there. Which scheduler are you using? Also, have you tried disabling apic? I had these same troubles, and worked around them, but I can't recall the exact trick - I seem to recall disabling apic and/or using 4BSD scheduler. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Anything that works is better than anything that doesn't. ------------------------------------------------------------------------
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