Re: Hang on 8-way with 2.6.23-rc2-rt2

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On Mon, 2007-08-06 at 15:07 -0400, Gregory Haskins wrote:
> Hi Ingo,
>   I think there is a latent race condition somewhere in the code.  We
> find that -rt works on our 4-way (and under) systems, but have problems
> on our 8-ways.
> If you run without nmi_watchdog, the system will sometimes boot (but
> very very very slow), and sometimes it will softlockup.  If you turn on
> nmi_watchdog, the system detects a hang (probably at the point where the
> system gets really slow without it).  We notice no problems on the
> 4-ways.
> The system where we can reproduce this is a Dell 690 with Dual 2Ghz
> Quad-core Xeon 5335s.  I've attached some relevant info.  Let me know if
> you need more.

Could you drop the following config options and test again?

# Processor type and features

(btw, added LKML to the CC list ..)


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