http://bugzilla.kernel.org/show_bug.cgi?id=14190
--- Comment #6 from Zhang Rui <rui.zh...@intel.com> 2009-09-21 09:11:24 ---
I think this patch may help,
commit 74b5820808215f65b70b05a099d6d3c969b82689
Author: Bjorn Helgaas <bjorn.helg...@hp.com>
Date: Wed Jul 29 15:54:25 2009 -0600
ACPI: bind workqueues to CPU 0 to avoid SMI corruption
On some machines, a software-initiated SMI causes corruption unless the
SMI runs on CPU 0. An SMI can be initiated by any AML, but typically it's
done in GPE-related methods that are run via workqueues, so we can avoid
the known corruption cases by binding the workqueues to CPU 0.
References:
http://bugzilla.kernel.org/show_bug.cgi?id=13751
https://bugs.launchpad.net/bugs/157171
https://bugs.launchpad.net/bugs/157691
Signed-off-by: Bjorn Helgaas <bjorn.helg...@hp.com>
Signed-off-by: Len Brown <len.br...@intel.com>
But IMO, it has been shipped in 2.6.31.
you said that you have tries this kernel but the laptop still blocks, right?
could you please make a double check?
>>
>> Will you please do the following test under the console mode?
>> a. boot the system with the battery
>> b. kill the process using /proc/acpi/event (use the command of "lsof
>> /proc/acpi/event " to get the process id)
>> c. cat /proc/acpi/event
>> d. plug the power cable and see whether the box is blocked
>>
>> Thanks.
>
>I've probed this and the box is blocked.
then will you please get this info with boot option "maxcpus=1"?
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