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SubjectRE: one more ACPI Error (utglobal-0125): Unknown exception code: 0xFFFFFFEA [Re: 2.6.18-rc4-mm3]
Date
From
As far as the unknown exception,

>[ 9.392729] [<c0246fb6>] acpi_ut_status_exit+0x31/0x5e
>[ 9.393453] [<c0243352>] acpi_walk_resources+0x10e/0x11b
>[ 9.394174] [<c025697e>] acpi_motherboard_add+0x22/0x31

I would guess that the callback routine for walk_resources is returning
a non-zero status value which is causing an immediate abort of the walk
with that value -- and the value is bogus.

Bob


> -----Original Message-----
> From: linux-acpi-owner@vger.kernel.org [mailto:linux-acpi-
> owner@vger.kernel.org] On Behalf Of Li, Shaohua
> Sent: Monday, August 28, 2006 7:06 PM
> To: Mattia Dongili; Andrew Morton
> Cc: linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org
> Subject: RE: one more ACPI Error (utglobal-0125): Unknown exception
code:
> 0xFFFFFFEA [Re: 2.6.18-rc4-mm3]
>
>
>
> >-----Original Message-----
> >From: linux-kernel-owner@vger.kernel.org [mailto:linux-kernel-
> >owner@vger.kernel.org] On Behalf Of Mattia Dongili
> >Sent: Tuesday, August 29, 2006 4:24 AM
> >To: Andrew Morton
> >Cc: linux-kernel@vger.kernel.org; linux-acpi@vger.kernel.org
> >Subject: one more ACPI Error (utglobal-0125): Unknown exception code:
> >0xFFFFFFEA [Re: 2.6.18-rc4-mm3]
> >
> >On Sat, Aug 26, 2006 at 04:09:22PM -0700, Andrew Morton wrote:
> >>
> >>
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-
> >rc4/2.6.18-rc4-mm3/
> >[...]
> >> git-acpi.patch
> >
> >Sorry for reporting separately, I deleted the other thread on the
> issue.
> >Here we go:
> >[ 9.386644] PCI: Using ACPI for IRQ routing
> >[ 9.386688] PCI: If a device doesn't work, try "pci=routeirq". If
> it
> >helps, post a report
> >[ 9.391209] ACPI Error (utglobal-0125): Unknown exception code:
> >0xFFFFFFEA [20060707]
> >[ 9.391521] [<c0103a9f>] dump_trace+0x1ef/0x230
> >[ 9.391626] [<c0103b06>] show_trace_log_lvl+0x26/0x40
> >[ 9.391724] [<c01042bb>] show_trace+0x1b/0x20
> >[ 9.391820] [<c01043a4>] dump_stack+0x24/0x30
> >[ 9.391918] [<c0249f15>] acpi_format_exception+0xa3/0xb0
> >[ 9.392729] [<c0246fb6>] acpi_ut_status_exit+0x31/0x5e
> >[ 9.393453] [<c0243352>] acpi_walk_resources+0x10e/0x11b
> >[ 9.394174] [<c025697e>] acpi_motherboard_add+0x22/0x31
> >[ 9.394977] [<c0255890>] acpi_bus_driver_init+0x2b/0x7c
> >[ 9.395742] [<c02568da>] acpi_bus_register_driver+0xa1/0x123
> >[ 9.396507] [<c0418adb>] acpi_motherboard_init+0x17/0xfb
> >[ 9.397268] [<c01003d0>] init+0x80/0x290
> >[ 9.397343] [<c0103593>] kernel_thread_helper+0x7/0x14
> >[ 9.397439] =======================
> >
> >full dmesg: http://oioio.altervista.org/linux/dmesg-2.6.18-rc4-mm3-1
> >config: http://oioio.altervista.org/linux/config-2.6.18-rc4-mm3-1
> >DSDT: http://oioio.altervista.org/linux/DSDT.aml
> > http://oioio.altervista.org/linux/DSDT.dsl
> >lspci: http://oioio.altervista.org/linux/lspci-v
> Below patch is the root cause.
>
http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc
>
4/2.6.18-rc4-mm3/broken-out/hot-add-mem-x86_64-acpi-motherboard-fix.patc
> h
>
> motherboard driver is expected to reserve resources used by
motherboard,
> so hotplug will not fail. I don't know why memory hotplug guys change
> it.
>
> Thanks,
> Shaohua
> -
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