Re: 2.6.34-rc2: cpu hotplug test failure on x86_64

From: Sachin Sant
Date: Sun Mar 21 2010 - 03:48:40 EST


Rafael J. Wysocki wrote:
On Saturday 20 March 2010, Peter Zijlstra wrote:
On Sat, 2010-03-20 at 22:47 +0530, Sachin Sant wrote:
Running cpu hotplug tests on a x86_64 box results in
the following BUG.

BUG: unable to handle kernel NULL pointer dereference at 0000000000000004
IP: [<ffffffff81037388>] amd_pmu_cpu_offline+0x38/0x67
I guess something like the below might work.

Not really. Sachin, please try this patch instead:
https://patchwork.kernel.org/patch/87189/
Works for me. Thanks Rafael.

Regards
-Sachin

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Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
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