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List:       lhcs-devel
Subject:    Re: [lhcs-devel] i386 hangs with cpu online/offline test (SuSE10
From:       Bryce Harrington <bryce () osdl ! org>
Date:       2006-07-05 19:29:41
Message-ID: 20060705192941.GC10901 () osdl ! org
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On Wed, Jul 05, 2006 at 12:22:08PM -0700, malahal@us.ibm.com wrote:
> I am running on SuSE10 RC3 which uses 2.6.16 based kernel. My simple
> test that writes 0 or 1 to CPU online file hangs the entire system or
> panics.  http://developer.osdl.org/dev/hotplug/ indicates that a bug was
> found in the CPU Hotplug implementation for x86 that hangs the system.
> Does anyone know what exactly the bug is and where it is fixed? Any
> pointer to the bug is very much appreciated.

Yes, if you look in the archives of this list there was a discussion
around that time and a patch provided.  I found that the patch fixed the
problem and have not had this trouble with newer kernels.

Thanks,
Bryce

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