Hi Steve, I've started using the usb audio card with the kernel 3.9(I' and I had this issue.
--- Serghei Mihai On Tue, 6 Aug 2013 09:46:50 +0100, Steve Cotton <st...@s.cotton.clara.co.uk> wrote: > On Mon, Aug 05, 2013 at 11:30:26PM +0200, Sergheu Mihai wrote: >> Since a couple on months, I'm using an external usb sound card(Scarlett >> Focusrite 2i2) for some audio production. >> >> I use it mainly with jackd, zynaddsubfx, fluidsynth. >> >> Constantly I face some sound freezes when using the card and the kernel >> reports >> me the following: >> [89828.051969] cannot submit urb (err = -18) >> [89828.051974] cannot submit urb (err = -18) >> [89828.051982] cannot submit urb (err = -18) >> [89828.051988] cannot submit urb (err = -18) > > Hi Sergheu, > > In this context errno 18 (EXADEV) could mean that audio data is > arriving at the USB stack too late. I'm wondering if it's simply > that the userland programs can't keep up. > > Was it working correctly when you first bought it, and if so, > which is the last kernel version that it worked on? > > Does it freeze when playing simple audio (.wav files for > example)? > > Using the synth programs, are you just playing back prerecorded > sounds? Are you using it as a live musical instrument (pressing > buttons and needing the sound to change immediately)? > > What's the load / cpu usage on your laptop just before the sound > freezes? > > Could you try turning off swap (to eliminate a cause of latency)? > > From the hardware, I'm guessing it's an old laptop. Please could > you retest on a more powerful PC? > > Regards, > Steve -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
