On Sun, May 24, 2009 at 9:53 PM, Chris Howie <cdhowie@xxxxxxxxx> wrote: > On Sun, May 24, 2009 at 9:18 PM, Shaohua Li <shaohua.li@xxxxxxxxx> wrote: >> if this is a AMD CPU, please check http://bugzilla.kernel.org/show_bug.cgi?id=13233 > > Ahh, that sounds like it. I first noticed the problem in 2.6.28 after > switching from 2.6.26 (but never tried 2.6.27). So the information > about versions is indeed consistent. I'm on an amd64 cpu. > > Thanks everyone for the suggestions, I will try to take a look within > the next couple of days and report my findings. The bug linked was in fact my problem, and after forward-porting the patch to 2.6.29.4 (which required manual patching for one hunk -- luckily this was straightforward) my system boots perfectly on battery and AC. Many thanks all, this was the only issue I've had with the latest kernels. I'm very happy that it's out of the way! Cheers, -- Chris Howie http://www.chrishowie.com http://en.wikipedia.org/wiki/User:Crazycomputers -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html