> Does it help starting jackd with 3 periods like: > sudo jackd -dalsa -dhw:2,0 -r48000 -p1024 -n3 > ? no difference, still not working... > If not: > whats the output of lsusb? ~$ lsusb Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 003: ID 05ca:1814 Ricoh Co., Ltd HD Webcam Bus 002 Device 003: ID 046d:c05f Logitech, Inc. Bus 002 Device 004: ID 1604:8007 Tascam US-122 Audio/Midi Interface Bus 002 Device 005: ID 0a5c:5800 Broadcom Corp. BCM5880 Secure Applications Processor > Does aplay on the US-122 work? Also try using 3periods with aplay. $ aplay -Dhw:0,0 some_sound.wav --period-size=3 Playing WAVE 'some_sound.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo aplay: set_params:1123: Unable to install hw params: ACCESS: RW_INTERLEAVED FORMAT: S16_LE SUBFORMAT: STD SAMPLE_BITS: 16 FRAME_BITS: 32 CHANNELS: 2 RATE: 44100 PERIOD_TIME: (1020 1021) PERIOD_SIZE: 45 PERIOD_BYTES: 180 PERIODS: (364 365) BUFFER_TIME: (371519 371520) BUFFER_SIZE: 16384 BUFFER_BYTES: 65536 TICK_TIME: 0 sela 2012/2/29 Karsten Wiese <fzu@xxxxxxxxxxxxxxxxxxxxx>: > Am Mittwoch 29 Februar 2012 schrieb Clemens Ladisch: >> Fabio Sela wrote: >> >>> 00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05) >> >>> >> >>> ALSA: cannot set hardware parameters for playback >> > >> > $ dmesg | tail >> > [ 45.188273] Cause could be too long delays in usb-hcd interrupt handling. >> > [ 45.806157] Sequence Error!(hcd_frame=4 ep=8in;wait=1025,frame=1). >> > [ 45.806160] Most propably some urb of usb-frame 1025 is still missing. >> > [ 45.806163] Cause could be too long delays in usb-hcd interrupt handling. >> > [ 48.999817] Sequence Error!(hcd_frame=127 ep=10out;wait=127,frame=124). >> > [ 48.999820] Most propably some urb of usb-frame 127 is still missing. >> > [ 48.999823] Cause could be too long delays in usb-hcd interrupt handling. >> > [ 49.899488] Sequence Error!(hcd_frame=3 ep=8in;wait=1024,frame=0). >> > [ 49.899492] Most propably some urb of usb-frame 1024 is still missing. >> > [ 49.899494] Cause could be too long delays in usb-hcd interrupt handling. >> >> This might be a bug in the EHCI driver. > > > Dont know... The us-122 is connected to the UHCI. > > Does it help starting jackd with 3 periods like: > sudo jackd -dalsa -dhw:2,0 -r48000 -p1024 -n3 > ? > > If not: > whats the output of lsusb? > Does aplay on the US-122 work? Also try using 3periods with aplay. > > > Regards, > Karsten ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user