9-Stable panic: resource_list_unreserve: can't find resource

Tom Lislegaard Tom.Lislegaard at proact.no
Mon Nov 5 10:26:56 UTC 2012

> -----Original Message-----
> From: Andriy Gapon [mailto:avg at FreeBSD.org]
> Sent: 2. november 2012 13:39
> To: Tom Lislegaard
> Cc: freebsd-stable at FreeBSD.org; freebsd-acpi at FreeBSD.org
> Subject: Re: 9-Stable panic: resource_list_unreserve: can't find resource
> on 02/11/2012 11:56 Tom Lislegaard said the following:
> > The machine is usually connected to a docking station and I believe the power is very stable. I
> sometimes take it home and connect it to a different powersupply and sees the same behavior with
> panics there. Panics can occur while I'm at the machine working, or if I leave the machine idle for
> some time I find it has paniced/rebooted when I come back.
> > The time of panic seems totally random and I can't correlate this to any particular activity like
> cronjobs, etc.
> I see.  Could you please try setting debug.acpi.max_threads=1 in /boot/loader.conf, reboot and see if
> that makes any difference?
> --
> Andriy Gapon

It does make a difference. I've had the machine running over the week-end, and haven't had a crash in 56 hours.

After applying the setting I get some errors on reboot, no idea if they are harmful in any way (none that I have notced):

AcpiOsExecute: failed to enqueue task, consider increasing the debug.acpi.max_tasks tunable
ACPI Error: Method parse/execution failed [\\PNOT] (Node 0xfffffe00052e6400), AE_NO_MEMORY (20110527/psparse-560)
ACPI Error: Method parse/execution failed [\\_SB_.AC__._PSR] (Node 0xfffffe00052f57c0), AE_NO_MEMORY (20110527/psparse-560)

The same messages repeats 6 times


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