Re: 2.6.13-rt13 SMP crashes on boot

From: Thomas Gleixner
Date: Mon Sep 19 2005 - 15:54:26 EST


On Mon, 2005-09-19 at 16:49 -0400, Steven Rostedt wrote:
> Hi John,
>
> First, always CC Ingo on all issues related to the -rt patch. Although
> I think he's on vacation now, but even so, he will probably miss this
> email.
>
> On Mon, 2005-09-19 at 19:54 +0100, John Rigg wrote:
> > I've been trying to get 2.6.13 with RT-preempt patch to run on my
> > dual Opteron with debugging code (with CONFIG_PREEMPT_RT=y).
> > It crashes on boot if I enable latency tracing in .config. This happens
> > with -rt13, -rt12, and -rt4 versions of the patch. Unfortunately it

Do you have high resolution timers turned on ?

If yes, there is a SMP bug in -rt13. -rt14 has fixed this

tglx


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/