On Mon, Mar 31, 2014 at 10:17:20PM +0200, Russel Hughes wrote: > Hi, > > Thanks for replying. I can use a some USB audio devices, ones based > around the Ti PCM2704 are fine, the DAC I want to use is called an > audiolab MDAC and as I said it has an elasticity buffer, this sits at > 50% full and is rock solid, as it should do, on USB 2.0 devices under > Ubuntu 12.04 LTS fully patched ASRock 330 but not on the 12.04 LTS > fully patched Intel NUC, where it reaches a maximum of 20% is highly > erratic and drops out from time to time. The lsmod output is as you need to grab information of the error. lsusb alone doesn't provide a lot of information (unless someone has dealt with the same error in a NUC). Can you describe the actual problem ? How can you trigger it ? What are you doing when the problem arises ? Do you hear audio glitches or does the device disconnect ? Do you have a crash ? Does the *same* device work on other setups ? Try to capture a usbmon trace of the failure, that's likely to help. -- balbi
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