[PlanetCCRMA] lots of xruns with 3.14.29-200

Fernando Lopez-Lezcano nando at ccrma.Stanford.EDU
Fri Jan 30 10:09:59 PST 2015

On 01/29/2015 11:15 AM, Ben Breard, Jr. wrote:
> I'm not sure if this is effecting anyone else, but
> kernel-rt-3.14.25-200.rt22.1.fc21.ccrma.x86_64 runs perfectly w/ Ardour
> & Mixbus. Moving to kernel-rt-3.14.29-200.rt26.1.fc21.ccrma.x86_64 with
> no other variables, results in an unusable amount of xruns. Roughly
> between 10 to 30 a minute.
> I am using a focusrite usb interface, and haven't had much time to
> investigate, but I'm throwing this out there in case anyone else is
> running into it.

I have not see this (yet). Not much in that update (only one change in 
the rt patch that I can see) except for bug fixes in the mainline 
kernel. Do you see the same kernel modules loaded in both kernels? 
("lsmod"). How about interrupts? The same? Anything weird in the output 
of dmesg?

-- Fernando

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