>>> Stephen Bryant wrote: >>> > I've had a look at dmesg, but cannot find any references to SMI -
>> what >>> > should I be looking for? >>> >>> What is described in the TROUBLESHOOTING file. >>> >>> >>> I have tried disabling the SMI workaround, ensuring that SMI detection >>> is not disabled, and logging the kernel output (setting the kernel log >>> level to 8 in grub and sending the output to the serial port to be >>> picked up by another machine). The troubleshooting file states that I >>> should see "Xenomai: Intel chipset found and SMI workaround not >>> enabled, you may encounter high interrupt latencies." in this output, >>> however this does not occur - I am using an Intel Core 2 Duo but with >>> SMP disabled, if this has any relevance. >> The SMI detection/workaround is based on the chipset you have. If your >> chipset is an ICH10, Stefan posted a patch a few days ago. If it is >> another one, then please send us the result of lspci -vv on your target. >> > > It seems to be ICH8, so the result is attached, I appear to have a similar problem to Stephen except have a different chip set. The output of lspci -vv: "Intel Corporation 5 Series/3400 Series Chipset" Any suggestions? I assume that it is the SMI interrupts that are causing my high latency. Patrick
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