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Fernando Lopez-Lezcano wrote:

quoted text
> On Thu, 2009-03-26 at 19:52 +0100, Robin Gareus wrote:

> We've got a winner! 2.6.29-rt1

>

>> Hmmmm, getting close but not yet a winner :-)

>

>> I've been tracking the 2.6.29 rcx series and I'm still having some

>> problems. 2.6.29-rt1 still does not shutdown correctly with my kernel

>> configuration options (you need to specify "noreplace-smp" in the kernel

>> startup line for shutdown to happen - otherwise you get a problem at the

>> very end of the halt and the machine does not power down). 

This is related to your BIOS or motherboard. Do you have the same

problem with a vanilla 2.6.29?
Since I only did reboots, I just performed a shutdown to check and it

powers off just fine. I don't use any boot options (only "root=xx quiet

ro") on this dual-core intel.

Why shut-down, anyway? s2ram and s2disk work fine with 2.6.29-rt1. I'm

very very happy (-:
>> And I have seen it hung (hard) the whole machine where a normal kernel

quoted text
>> would just work. I'm still trying to find a way to debug that. 

I did not have those for a long time (~2years), previously I experienced

hard lockups when using wifi (iwl3945) and rtirq.
I dare say there's no way to debug that - but you should ask that on

rt-linux list. There's ways to tweak things in /proc/sys/kernel/sched_*

if this lock-up is caused by a runaway process.
It could also be CPU overheating, but then the problem should also occur

with non realtime kernels as well.
robin

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