Re: [BUG -rt] -rt16 hang w/ realtime thread test

From: Steven Rostedt
Date: Sat Feb 11 2006 - 10:32:34 EST



On Fri, 10 Feb 2006, john stultz wrote:

> Hey Ingo,
> I've been hunting a report that lower priority realtime threads are not
> preempting higher priority realtime threads. However, in generating test
> cases, I found I was locking the system quite frequently.
>
> The attached test runs to completion on 2.6.15, but with 2.6.15-rt16, it
> hangs the box. It could very well be a test issue, but I'm not sure I
> see where the problem is.
>

Hi John,

Have you turned on nmi_watchdog and softlockup detect? Just so we can see
where it is hung.

Thanks,

-- Steve
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