AcpiOsAcquireObject crash [Was: 9-Stable panic: resource_list_unreserve: can't find resource]

[Tom Lislegaard]

> -----Original Message-----
> From: Andriy Gapon [mailto:avg at FreeBSD.org]
> Sent: 8. november 2012 17:37
> To: Tom Lislegaard; freebsd-acpi at FreeBSD.org
> Subject: AcpiOsAcquireObject crash [Was: 9-Stable panic: resource_list_unreserve: can't find resource]
> 
> on 08/11/2012 18:11 Tom Lislegaard said the following:
> > I've put up some more info
> > https://dl.dropbox.com/u/13263820/vmcore_7.txt
> >
> >> BTW, what version of FreeBSD do you use?
> >
> > Version is RELENG_9 checked out ~3 days ago
> >
> >> What ACPICA version is there (debug.acpi.acpi_ca_version) ?
> >
> > debug.acpi.acpi_ca_version: 20110527
> 
> Thanks!
> Could you please also do:
> x/9a Cache->ListHead
> ?
> 
> I suspect that this bug is of very inconvenient nature: a memory corruption, either semi-random or
> some sort of use after free.
> 
> --
> Andriy Gapon
Here you go

kgdb) up 7
#7  0xffffffff802d1bdd in AcpiOsAcquireObject (Cache=0xfffffe00052bac60) at /usr/src/sys/contrib/dev/acpica/utilities/utcache.c:316
316	        ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
(kgdb) x/9a Cache->ListHead
0xfffffffeec85c730:	Cannot access memory at address 0xfffffffeec85c730

tom