On 05/16/2011 12:18 PM, Benner Bernd (MH/EES) wrote:
> Hi,
>
> thank your for the support!
>
> I have upgraded to the ipipe-2.6.37-x86 branch. (
> kernel-2.6.37.6,xenomai-2.5.6 ) The system will start on all
> computers I test it. The latency application is running well on a
> Pentium-M- system and a Mobile Core 2 Duo 2,26 GHz -system. On a HP
> and a Lenovo Desktop Core 2 Duo 3 Ghz system ( Core 2 Duo E8400 ), a
> start of latency will freeze the system after output of the warmup
> console message.
>
> A start of cyclictest over ssh will not fully freeze the 3 GHz
> systems. cyclictest will not update the ssh console output. On the
> local console the system will slow down and there are Kernel error
> messages from the SATA driver after input of a command. With "slow
> keyboard inputs", I am able to kill cyclictest. There are some error
> messages from background file requests, but I am able to enter and
> execute commands.
>
> I have attached my kernel config.
>
> Is there a smp consistency problem on task creation ?
>
> Is there any way to find the reason of the problems on fast Core 2
> Duo machines?
>
> Our older system with Kernel 2.6.29 and xenomai-2.4.10 has no problem
> on all this machines.
>
> Thanks in advance!
>
Both Jan and I asked it, but we did not see it. So, I am going to try
again: could you try and get the console output on serial console or
netconsole? If you can not, could you try booting in text mode, and see
if you have some traces when the system has issues?
Could you try disabling CONFIG_PCI_MSI in your kernel configuration?
--
Gilles.
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