Re: [patch] Real-Time Preemption, -RT-2.6.9-rc4-mm1-U6

From: Ingo Molnar
Date: Tue Oct 19 2004 - 10:51:02 EST



* Rui Nuno Capela <rncbc@xxxxxxxxx> wrote:

> OK. After some incremental configurations, I've isolated that those
> oops(es) only occurs if PREEMPT_TIMING and/or LATENCY_TRACE areset
> (Y). My first suspect was that newest RWSEM_DEADLOCK_DETECT, but it
> wasn't the case.
>
> So something has broken on that non-preemptible critical section
> timing stuff since U4.
>
> Hasn't anybody else stumbled on this?

i'm using it myself and havent seen the problem yet. Could you send me
the latest .configs, the working and the broken one too? I'll try to
reprodue it (or maybe someone else with a serial console sees it too).

Ingo
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