Re: rt-preempt and x86_64?

[Michal Schmidt]

Alistair John Strachan wrote:
> Hi Ingo,
>
> (I searched the list for rt realtime x86_64 x86-64 before posting this, so I 
> hope it's not a duplicate).
>
> I've noticed -31 compiles without notable error or warning on x86-64, so I 
> thought maybe it was a valid time to file a bug report about it not working.
>
> The machine currently runs 2.6.12 but when booting with PREEMPT_RT mode on the 
> same machine I get:
>
> init[1]: segfault at ffffffff8010e9c4 rip ffffffff8010e9c4 rsp 
> 00007fffffe28018
> [...]

Do you have latency tracing enabled in the kernel config? Try disabling 
it. It's a known problem that it doesn't work on x86_64.

Michal
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