Hi, On Thu, Nov 3, 2011 at 3:39 AM, Anton Alekseev <nullakilla@xxxxxxxxx> wrote: >> Still no better. >> >> All right, two more things to try. Set the delays back to 9 * 125 and >> replace the previous patch with the updated version below. If it still >> doesn't work, try an extreme test: Set both delays to a much larger >> value such as 20000. > > Both solutions didn't help. Sending you dmesg for second solution > (long delays). > Even when I initialize my USB soundcard with parameters: 48000 Hz and > buffer_size 1024 samples I get XRUNs. > Am I first ATI EHCI owner with such problems? No, at lease one guy has reported before[1], and the issue is always triggered in split transaction case. Maybe we should trace period schedule descriptors and ehci registers further to see if some findings can be got. [1], https://bugs.launchpad.net/bugs/873656 thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
