Re: smp_call_function_single lockups

[Linus Torvalds]

On Thu, Feb 19, 2015 at 7:42 AM, Rafael David Tinoco <inaddy@xxxxxxxxxx> wrote:
>
> Just a quick feedback, We were able to reproduce the lockup with this
> proposed patch (3.19 + patch). Unfortunately we had problems with the
> core file and I have only the stack trace for now but I think we are
> able to reproduce it again and provide more details (sorry for the
> delay... after a reboot it took some days for us to reproduce this
> again).
>
> It looks like RIP is still smp_call_function_single.

Hmm. Still just the stack trace for the CPU that is blocked (CPU0), if
you can get the core-file to work and figure out where the other CPU
is, that would be good.

                        Linus
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