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Date:      Fri, 9 Nov 2012 12:17:25 +0000
From:      Tom Lislegaard <Tom.Lislegaard@proact.no>
To:        'Andriy Gapon' <avg@FreeBSD.org>, "freebsd-acpi@FreeBSD.org" <freebsd-acpi@FreeBSD.org>
Subject:   RE: AcpiOsAcquireObject crash [Was: 9-Stable panic: resource_list_unreserve: can't find resource]
Message-ID:  <E8A24BEFDC390C4491718DEE8A9C4F2092347A@Semail03.proact.local>
In-Reply-To: <509BDF86.3080502@FreeBSD.org>
References:  <E8A24BEFDC390C4491718DEE8A9C4F2091F824@Semail03.proact.local> <509172F6.2040400@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F2091FC33@Semail03.proact.local> <5092F209.7090803@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F20920DD1@Semail03.proact <5093BECC.1030709@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F20921BAC@Semail03.proact.local> <50979BCD.3060000@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F20921C47@Semail03.proact.local> <5097CB27.8040802@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F20921C6A@Semail03.proact.local> <5097F24D.7040206@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F209220E2@Semail03.proact.local> <50995C8F.3040309@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F20922E13@Semail03.proact.local> <509B8F15.4030300@FreeBSD.org> <E8A24BEFDC390C4491718DEE8A9C4F20922F57@Semail03.proact.local> <509BDF86.3080502@FreeBSD.org>

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> -----Original Message-----
> From: Andriy Gapon [mailto:avg@FreeBSD.org]
> Sent: 8. november 2012 17:37
> To: Tom Lislegaard; freebsd-acpi@FreeBSD.org
> Subject: AcpiOsAcquireObject crash [Was: 9-Stable panic: resource_list_un=
reserve: can't find resource]
>=20
> 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
>=20
> Thanks!
> Could you please also do:
> x/9a Cache->ListHead
> ?
>=20
> I suspect that this bug is of very inconvenient nature: a memory corrupti=
on, either semi-random or
> some sort of use after free.
>=20
> --
> Andriy Gapon
Here you go

kgdb) up 7
#7  0xffffffff802d1bdd in AcpiOsAcquireObject (Cache=3D0xfffffe00052bac60) =
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




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