[linux-audio-user] USX2Y rawusb revisited

Lee Revell rlrevell at joe-job.com
Sun Apr 23 12:25:14 EDT 2006


On Sun, 2006-04-23 at 00:14 -0500, Devin Venable wrote:
> 
> I've been trying to increase the priority of IRQ 50 (ohci_hcd:usb1)
> like
> so:
> 
> $ chrt -f -p 80 `pidof "IRQ 50"`
> sched_getscheduler: No such process
> failed to get pid 80's policy
> 
> It appears I have a problem getting the pidof any IRQ value.   

You must not have enabled realtime preemption when you configured the
kernel.

Lee




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