apmd will only make it worse. Plugging in the power cable under io is an easy way to reproduce the issue.
On Wed, Feb 25, 2009 at 01:36:16PM +0000, Andreas Kahari wrote: > Will disabling apmd solve this issue? I'm seeing freezes on my Lenovo > X61s. The machine was stable for a few weeks (or so) until Theo backed > out that backed-out commit on acpicpu.c on Monday (23rd). > > Andreas > > 2009/2/13 Dan Harnett <dan...@harnett.name>: > > On Fri, Feb 13, 2009 at 11:46:37AM -0600, Marco Peereboom wrote: > >> I think we have narrowed this down to acpicpu + apmd. Do you run both > >> as well? > > > > Yes, I do. > > > >> On Fri, Feb 13, 2009 at 11:42:34AM -0500, Dan Harnett wrote: > >> > On Wed, Feb 11, 2009 at 08:09:16PM +0100, Markus Bergkvist wrote: > >> > > I get kernel freeze randomly on Compaq 6710b with -CURRENT synced > today. > >> > > It is best reproduced by keeping the system busy, such as building > >> > > userland, but there are no guarantees. > >> > > > >> > > I've been running memtester and also memory and hd test in bios, no > >> > > errors were found. > >> > > > >> > > I get no ddb or any other output on terminal, it just freezes up. What > >> > > can I do to retrieve information so I can file a proper bug report? > >> > > There is no DE-9 contact but the serial port is enabled in BIOS and I > do > >> > > have a uftdi-device, if that might be useful. Any help is appreciated. > >> > > >> > I'm seeing the same issue on any amd64 machine I've tried. The i386 > >> > snapshot from the same date works fine on the same machines. I'm not > >> > even able to invoke ddb from the console. I've been able to trigger it > >> > with a lot of disk activity (dd, scp or rsync of large files, etc). > >> > Sometimes they lock up immediately, sometimes it takes a fews minutes, > >> > but that always seems to trigger it for me. > > > > > > > > -- > Andreas Kahari > Somewhere in the general Cambridge area, UK
