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

[Tom Lislegaard]

> -----Original Message-----
> From: Andriy Gapon [mailto:avg at FreeBSD.org]
> Sent: 5. november 2012 18:08
> 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 05/11/2012 16:52 Tom Lislegaard said the following:
> >
> >
> >> -----Original Message-----
> >> From: Andriy Gapon [mailto:avg at FreeBSD.org]
> >> Sent: 5. november 2012 15:21
> >> 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 05/11/2012 15:54 Tom Lislegaard said the following:
> >>> Here's the distribution from running devd over 40 minutes
> >>>
> >>>   589 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU0 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU1 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU2 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU3 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU4 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU5 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU6 notify=0x81'
> >>>   590 Processing event '!system=ACPI subsystem=PROCESSOR type=\\_PR_.CPU7 notify=0x81'
> >>>     1 Processing event '!system=DEVFS subsystem=CDEV type=CREATE cdev=dsp4.1'
> >>>     1 Processing event '!system=DEVFS subsystem=CDEV type=CREATE cdev=pts/2'
> >>>     1 Processing event '!system=DEVFS subsystem=CDEV type=CREATE cdev=vboxdrv0'
> >>>     1 Processing event '!system=DEVFS subsystem=CDEV type=DESTROY cdev=dsp4.1'
> >>>     1 Processing event '!system=DEVFS subsystem=CDEV type=DESTROY cdev=vboxdrv0'
> >>>
> >>> Any use in running it over a longer period of time?
> >>
> >> Very interesting.
> >> So the processors get _CST change notifications rather frequently,
> >> but there is no obvious source/cause for them...
> >>
> >> Could you please send to me acpidump -dt output or upload it somewhere and post a link?
> >
> > Here you go
> >
> > https://dl.dropbox.com/u/13263820/acpidump.txt
> 
> So, ACPI platform on your machine sends 0x81 notification for processors objects each time "_PSR"
> method of AC Adapter / Power Source device is queried.
> There could be a number of reason to invoke the method - either AC line status queries from userland
> (some battery / line monitoring program/applet) or internal ACPI notifications.
> 
> Are you willing to go as far as recompiling your kernel with 'options  ACPI_DEBUG'
> to get to the bottom of this issue?
> If yes, then please do that and also add the following lines to loader.conf:
> debug.acpi.layer="ACPI_EVENTS ACPI_AC_ADAPTER"
> debug.acpi.level="ACPI_LV_INFO"
> I would be interested in all periodically occurring ACPI debug messages (after boot is finished).
> 
No problem, I'm happy to assist in debugging this.

Enabling the acpi debugging quickly fills the kernel message buffer, but it seems to be the same set of messages 
repeating again and again so I think this is representative

https://dl.dropbox.com/u/13263820/debug_dmesg.txt

And, btw, thanks for your efforts.

-tom

> I suspect that the ACPI platform and/or embedded controller send too many notifications when they are
> not strictly necessary.
> Maybe there is a BIOS update for your machine?
> 
> In any case, I am starting to work on a patch that should fix this problem without resorting to any
> special configuration.
> --
> Andriy Gapon