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Date:      Mon, 25 Jun 2012 17:37:50 -0400
From:      Jung-uk Kim <jkim@FreeBSD.org>
To:        Ruslan Bukin <br@bsdpad.com>
Cc:        Konstantin Belousov <kostikbel@gmail.com>, svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org
Subject:   Re: svn commit: r237412 - in head: sys/contrib/dev/acpica sys/contrib/dev/acpica/common sys/contrib/dev/acpica/compiler sys/contrib/dev/acpica/components/debugger sys/contrib/dev/acpica/components/disa...
Message-ID:  <4FE8DA2E.2060209@FreeBSD.org>
In-Reply-To: <20120624181348.GA54897@jail.io>
References:  <201206220040.q5M0ejNk045397@svn.freebsd.org> <20120622095847.GC2337@deviant.kiev.zoral.com.ua> <4FE494FA.1030907@FreeBSD.org> <20120624181348.GA54897@jail.io>

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On 2012-06-24 14:13:48 -0400, Ruslan Bukin wrote:
> On Fri, Jun 22, 2012 at 11:53:30AM -0400, Jung-uk Kim wrote:
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>> 
>> On 2012-06-22 05:58:47 -0400, Konstantin Belousov wrote:
>>> On Fri, Jun 22, 2012 at 12:40:45AM +0000, Jung-uk Kim wrote:
>>>> Author: jkim Date: Fri Jun 22 00:40:44 2012 New Revision:
>>>> 237412 URL: http://svn.freebsd.org/changeset/base/237412
>>>> 
>>>> Log: Merge ACPICA 20120620.
>>> 
>>> I think it is caused by import, malloc is called while spinlock
>>> is held:
>>> 
>>> ACPI: Executed 1 blocks of module-level executable AML code
>>> acpi0: Power Button (fixed) panic: blockable sleep lock (sleep
>>> mutex) 16 @ 
>>> /usr/home/kostik/work/build/bsd/DEV/src/sys/vm/uma_core.c:2040
>>>  cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper() at 
>>> 0xffffffff80279d0a = db_trace_self_wrapper+0x2a panic() at 
>>> 0xffffffff80325a28 = panic+0x1d8 witness_checkorder() at 
>>> 0xffffffff80377938 = witness_checkorder+0x1d8 _mtx_lock_flags()
>>> at 0xffffffff80313777 = _mtx_lock_flags+0x87 uma_zalloc_arg()
>>> at 0xffffffff804db97a = uma_zalloc_arg+0x2ea malloc() at 
>>> 0xffffffff8030f7cd = malloc+0xbd AcpiUtAllocate() at 
>>> 0xffffffff802704f1 = AcpiUtAllocate+0x31 AcpiUtAllocateZeroed()
>>> at 0xffffffff80270559 = AcpiUtAllocateZeroed+0x19 
>>> AcpiSetupGpeForWake() at 0xffffffff8025becc = 
>>> AcpiSetupGpeForWake+0xfc acpi_probe_child() at
>>> 0xffffffff802848e9 = acpi_probe_child+0x2b9
>>> AcpiNsWalkNamespace() at 0xffffffff802686ef =
>>> AcpiNsWalkNamespace+0x15f AcpiWalkNamespace() at 
>>> 0xffffffff80268c0f = AcpiWalkNamespace+0xbf acpi_attach() at 
>>> 0xffffffff80283e43 = acpi_attach+0x993 device_attach() at 
>>> 0xffffffff8035ab62 = device_attach+0x72 bus_generic_attach()
>>> at 0xffffffff8035bd3a = bus_generic_attach+0x1a
>>> nexus_acpi_attach() at 0xffffffff804fbd89 =
>>> nexus_acpi_attach+0x69 device_attach() at 0xffffffff8035ab62 =
>>> device_attach+0x72 bus_generic_new_pass() at 0xffffffff8035bf46
>>> = bus_generic_new_pass+0xd6 bus_set_pass() at 
>>> 0xffffffff803597ba = bus_set_pass+0x7a configure() at 
>>> 0xffffffff804fd51a = configure+0xa mi_startup() at 
>>> 0xffffffff802d5c17 = mi_startup+0x77 btext() at
>>> 0xffffffff802531cc = btext+0x2c KDB: enter: panic [ thread pid
>>> 0 tid 100000 ] Stopped at      0xffffffff8035fffb =
>>> kdb_enter+0x3b:    movq $0,0x1027d62(%rip) db> show alllocks
>>> Process 0 (kernel) thread 0xffffffff80837cc0 (100000) exclusive
>>> sleep mutex Giant (Giant) r = 0 (0xffffffff8133a900) locked @ 
>>> /usr/home/kostik/work/build/bsd/DEV/src/sys/kern/kern_module.c:116
>>>  exclusive spin mutex ACPI lock (0xfffffe000321da80) (ACPI
>>> lock (0xfffffe000321da80)) r = 0 (0xfffffe000321da80) locked @ 
>>> /usr/home/kostik/work/build/bsd/DEV/src/sys/dev/acpica/Osd/OsdSynch.c:535
>>
>>
>>> 
Hmm...
>>> 
>> I was afraid it might happen.  I'll look into it ASAP.
>> 
>> Sorry for the trouble,
>> 
> 
> I have the same problem on server & laptop
> 
> -Ruslan .
> 

I submitted this patch and I am waiting for confirmation:

http://people.freebsd.org/~jkim/evxfgpe.diff

Jung-uk Kim
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