Re: [patch] generic-ipi: fix backtrace in smp_call_function_any()

From: David John
Date: Thu Jan 07 2010 - 23:49:25 EST


On 01/08/2010 05:16 AM, Suresh Siddha wrote:
> On my westmere box, I see this backtrace with 2.6.33-rc kernels:
>
>> cpumask_of_node(3): node > nr_node_ids(1)
>> Pid: 1, comm: swapper Not tainted 2.6.33-rc3-00097-g2c1f189 #223
>> Call Trace:
>> [<ffffffff81028bb3>] cpumask_of_node+0x23/0x58
>> [<ffffffff81061f51>] smp_call_function_any+0x65/0xfa
>> [<ffffffff810160d1>] ? do_drv_read+0x0/0x2f
>> [<ffffffff81015fba>] get_cur_val+0xb0/0x102
>> [<ffffffff81016080>] get_cur_freq_on_cpu+0x74/0xc5
>> [<ffffffff810168a7>] acpi_cpufreq_cpu_init+0x417/0x515
>> [<ffffffff81562ce9>] ? __down_write+0xb/0xd
>> [<ffffffff8148055e>] cpufreq_add_dev+0x278/0x922
>
> fix it by using the cpu_to_node() and using the node number instead
> of the cpu for cpumask_of_node().
>
> Signed-off-by: Suresh Siddha <suresh.b.siddha@xxxxxxxxx>

Hi Suresh,

I have already sent a patch for this:
http://www.gossamer-threads.com/lists/linux/kernel/1173978?do=post_view_threaded

Can you ACK that instead?

Regards,
David.

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