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Date:      Mon, 26 Mar 2007 12:17:52 -0700
From:      Nate Lawson <nate@root.org>
To:        Jung-uk Kim <jkim@FreeBSD.org>
Cc:        cvs-src@FreeBSD.org, src-committers@FreeBSD.org, Pawel Jakub Dawidek <pjd@FreeBSD.org>, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/contrib/dev/acpica acconfig.h acenv.h acfreebsd.h acgcc.h acpi.h acpiosxf.h acpixf.h acutils.h aecommon.h dbfileio.c dmopcode.c exfldio.c exsystem.c hwregs.c osunixxf.c psparse.c rscreate.c rsdump.c utdebug.c uteval.c ...
Message-ID:  <46081C60.1020100@root.org>
In-Reply-To: <200703261512.38986.jkim@FreeBSD.org>
References:  <200703221758.l2MHwSN3039725@repoman.freebsd.org> <20070323223730.GA17902@garage.freebsd.pl> <200703261512.38986.jkim@FreeBSD.org>

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Jung-uk Kim wrote:
> On Friday 23 March 2007 06:37 pm, Pawel Jakub Dawidek wrote:
>> On Thu, Mar 22, 2007 at 05:58:28PM +0000, Jung-uk Kim wrote:
>>> jkim        2007-03-22 17:58:28 UTC
>>>
>>>   FreeBSD src repository
>>>
>>>   Modified files:
>>>     sys/contrib/dev/acpica acconfig.h acenv.h acfreebsd.h acgcc.h
>>>                            acpi.h acpiosxf.h acpixf.h acutils.h
>>>                            aecommon.h dbfileio.c dmopcode.c
>>>                            exfldio.c exsystem.c hwregs.c
>>>                            osunixxf.c psparse.c rscreate.c
>>>                            rsdump.c utdebug.c uteval.c utglobal.c
>>>   Log:
>>>   Resolve conflicts of unchanged files that are off the vendor
>>> branch.
>> Can you verify that LOCK_PROFILING(9) still works after your
>> import? After adding it to me kernel I got the panic below:
> --- >8 --- SKIP --- >8 ---
> 
> It works for me, i.e., I cannot reproduce the problem.
> 
> # sysctl debug.lock.prof
> debug.lock.prof.stats: No locking recorded
> debug.lock.prof.collisions: 0
> debug.lock.prof.hashsize: 4096
> debug.lock.prof.rejected: 0
> debug.lock.prof.maxrecords: 4096
> debug.lock.prof.records: 0
> debug.lock.prof.acquisitions: 0
> debug.lock.prof.enable: 0
> # sysctl debug.lock.prof.enable=1
> debug.lock.prof.enable: 0 -> 1
> # sysctl debug.lock.prof.records
> debug.lock.prof.records: 690
> 
> Do you have any other special option in the kernel config file?

I'm wondering if acpi-ca now allows recursive acquisitions of mutexes by
AML code.  So seeing his acpidump may be helpful (acpidump -dt | gzip
-c9 > pjd.asl.gz).

-- 
Nate



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