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SubjectR: Re: R: [Bug #14886] Asus P2B-DS not detected as SMP moterboard
Hi Dmitry,

I will try current git as soon as possible and I will post the results.

Many thanks and Best Regards,
Lorenzo Buzzi

>----Messaggio originale----
>Da: mad_soft@inbox.ru
>Data: 26/01/2010 16.53
>A: "Linux Kernel Mailing List"<linux-kernel@vger.kernel.org>
>Cc: "flinco@libero.it"<flinco@libero.it>, "Rafael J. Wysocki"<rjw@sisk.pl>,
"Kernel Testers List"<kernel-testers@vger.kernel.org>, "Arkadiusz Miskiewicz"
<arekm@maven.pl>, "H. Peter Anvin"<hpa@zytor.com>, "Andrew Morton"<akpm@linux-
foundation.org>, "Feng Tang"<feng.tang@intel.com>, "Len Brown"<len.brown@intel.
com>
>Ogg: Re: R: [Bug #14886] Asus P2B-DS not detected as SMP moterboard
>
>On 20:40 Mon 11 Jan , Rafael J. Wysocki wrote:
>> On Monday 11 January 2010, flinco@libero.it wrote:
>> > Tried 2.6.32.3. The issue is still present.
>>
>> Thanks for the update.
>>
>> Rafael
>
>(I have some troubles with registering on kernel bugzilla, so posting here,
>adding people from bug to CC: list)
>
>Hi!
>I'm also using P2B-DS and can confirm that starting with kernel 2.6.32
>SMP stopped working (and don't work still - tested with current git
>v2.6.33-rc5-238-g158c168) The issue seems to have something to do with the
>fact that ACPI is blacklisted on P2B-DS. I used to workaround this bug
>on newer kernels (>=2.6.32) by passing "acpi=force" in kernel arguments.
>Finally, yesterday I found some time to write simple automated bisection
>script and leaved it to run on machine overnight. Here's result:
>---------------------------------------------------------------------------
>e5b8fc6ac158f65598f58dba2c0d52ba3b412f52 is the first bad commit
>commit e5b8fc6ac158f65598f58dba2c0d52ba3b412f52
>Author: Len Brown <len.brown@intel.com>
>Date: Tue Jul 7 23:22:58 2009 -0400
>
> ACPI: check acpi_disabled in acpi_table_parse() and
acpi_table_parse_entries()
>
> Allow consumers of the acpi_table_parse()/acpi_table_parse_entries() API
> to gracefully handle the acpi_disabled=1 case via return value
> rather than checking the global flag themselves.
>
> Signed-off-by: Feng Tang <feng.tang@intel.com>
> Signed-off-by: Len Brown <len.brown@intel.com>
>---------------------------------------------------------------------------
>
>I re-checked this result and yes - reverting this commit on both 2.6.32 and
>current git (v2.6.33-rc5-238-g158c168) makes problem go away.
>
>--
>Best regards,
>Dmitry "MAD" Artamonow
>
>




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