Boot failure with next-20120208

Arjan van de Ven arjan at
Sat Mar 24 06:24:12 EST 2012

On 3/23/2012 12:22 PM, Andrew Morton wrote:
> On Mon, 13 Feb 2012 12:16:41 -0800
> Arjan van de Ven <arjan at> wrote:
>> Hash: SHA1
>>> The bug looks pretty generic, nothing very PPC-specific there.  It 
>>> might affect other architectures - we won't know until we find out
>>> wht caused it.
>> well one half of the race looks pretty generic...
>> ..... doesn't mean the other half of the race is though....
>>> Ho hum, I suppose I should pull the patch out of linux-next, to
>>> avoid disrupting other testing.  This means it's going to be hard
>>> to get the bug fixed.
>> it means losing this one big PPC machine indeed.... until they hit
>> that same race some other way with regular real cpu hotplug ;-(
> So we're kinda stuck with this.  As I can't merge it, I guess I'll make
> smp-start-up-non-boot-cpus-asynchronously.patch disappear.

well yeah, PPC is throwing things in the spanner

we're now working on an x86-only patch with basically the same
improvement, but done in a way that does not touch the other architectures

so by all means drop the patch

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