Using card 1 didn´t make any difference for the rDac not did it wotk with using HW and changung buffers to 50000 and sample size to 32.
Using my Emmeline "The Predator" Portable USB DAC/Amp, I could both play thorugh the plugusb and hw:1,1 from aplay and the SB would boot and work using an asound.conf with plugusb. When I try aplay plugusb with the rDac, I get the following on the screen: aplay -D plugusb /11\ Stop.wav Playing WAVE '/11 Stop.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo aplay: set_params:1022: 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: (125011 125012) PERIOD_SIZE: 5513 PERIOD_BYTES: 22052 PERIODS: (3 4) BUFFER_TIME: 500000 BUFFER_SIZE: 22050 BUFFER_BYTES: 88200 TICK_TIME: 0 and in /var/log/messages the following show up: Feb 22 12:28:12 kernel: 2:1:1: cannot get freq at ep 0x1 Feb 22 12:28:12 kernel: Division by zero in kernel. Feb 22 12:28:12 kernel: [<c02f6bfc>] Feb 22 12:28:12 kernel: (dump_stack+0x0/0x14) Feb 22 12:28:12 kernel: from [<c0032d14>] Feb 22 12:28:12 kernel: (__div0+0x18/0x20) Feb 22 12:28:12 squeezeplay: audio_thread_execute:802 xrun (snd_pcm_wait) Feb 22 12:28:12 squeezeplay: audio_thread_execute:756 underrun!!! (at least -38472.807 ms long) Feb 22 12:28:12 kernel: [<c0032cfc>] (__div0+0x0/0x20) from [<c017da4c>] (Ldiv0+0x8/0x10) Feb 22 12:28:12 kernel: [<c0205db8>] (iso_stream_find+0x0/0x32c) from [<c02068c4>] (ehci_urb_enqueue+0x7e0/0xcf8) Feb 22 12:28:12 kernel: [<c02060e4>] (ehci_urb_enqueue+0x0/0xcf8) from [<c01f5f54>] (usb_hcd_submit_urb+0x788/0x8b0) Feb 22 12:28:12 kernel: [<c01f57cc>] (usb_hcd_submit_urb+0x0/0x8b0) from [<c01f655c>] (usb_submit_urb+0x22c/0x248) Feb 22 12:28:12 kernel: [<c01f6330>] (usb_submit_urb+0x0/0x248) from [<c0261314>] (start_urbs+0x14c/0x1c0) Feb 22 12:28:12 kernel: r8:c7e7dc80 r7:c7e7dcb0 r6:c7e7dc10 r5:00000000 r4:c7e7dc10 Feb 22 12:28:12 kernel: r3:00008280 Feb 22 12:28:12 kernel: [<c02611c8>] (start_urbs+0x0/0x1c0) from [<c02614c0>] (snd_usb_pcm_prepare+0xa4/0xb0) Feb 22 12:28:12 kernel: [<c026141c>] (snd_usb_pcm_prepare+0x0/0xb0) from [<c0249944>] (snd_pcm_do_prepare+0x1c/0x34) Feb 22 12:28:12 kernel: r6:c03fcc78 r5:00000002 r4:c7e7ba00 r3:c03fd48c Feb 22 12:28:12 kernel: [<c0249928>] (snd_pcm_do_prepare+0x0/0x34) from [<c0249430>] (snd_pcm_action_single+0x40/0x7c) Feb 22 12:28:12 kernel: r4:c7e7ba00 r3:00000001 Feb 22 12:28:12 kernel: [<c02493f0>] (snd_pcm_action_single+0x0/0x7c) from [<c024a87c>] (snd_pcm_action_nonatomic+0x58/0x70) Feb 22 12:28:12 kernel: r7:00000002 r6:c03fcc78 r5:00000002 r4:c7e7ba00 Feb 22 12:28:12 kernel: [<c024a824>] (snd_pcm_action_nonatomic+0x0/0x70) from [<c024ce04>] (snd_pcm_common_ioctl1+0x720/0x101c) Feb 22 12:28:12 kernel: r6:c7dde21c r5:c7e7ba00 r4:00000000 r3:00000000 Feb 22 12:28:12 kernel: [<c024c6e4>] (snd_pcm_common_ioctl1+0x0/0x101c) from [<c024df78>] (snd_pcm_playback_ioctl1+0x41c/0x444) Feb 22 12:28:12 kernel: [<c024db5c>] (snd_pcm_playback_ioctl1+0x0/0x444) from [<c024dfd8>] (snd_pcm_playback_ioctl+0x38/0x3c) Feb 22 12:28:12 kernel: r8:c002ec84 r7:00004140 r6:000244a8 r5:c024dfa0 r4:c54f61a0 Feb 22 12:28:12 kernel: [<c024dfa0>] (snd_pcm_playback_ioctl+0x0/0x3c) from [<c00af91c>] (vfs_ioctl+0x34/0x94) Feb 22 12:28:12 kernel: [<c00af8e8>] (vfs_ioctl+0x0/0x94) from [<c00afc44>] (do_vfs_ioctl+0x2c8/0x2e8) Feb 22 12:28:12 kernel: r7:00000006 r6:c713ae30 r5:000244a8 r4:c54f61a0 Feb 22 12:28:12 kernel: [<c00af97c>] (do_vfs_ioctl+0x0/0x2e8) from [<c00afca4>] (sys_ioctl+0x40/0x64) Feb 22 12:28:12 kernel: r6:00004140 r5:000244a8 r4:c54f61a0 Feb 22 12:28:12 kernel: [<c00afc64>] (sys_ioctl+0x0/0x64) from [<c002eb00>] (ret_fast_syscall+0x0/0x2c) Feb 22 12:28:12 kernel: r7:00000036 r6:0001b1e8 r5:0002e8f0 r4:00024100 Feb 22 12:28:12 kernel: cannot submit syncpipe for urb 2, error -27: internal error Looks like missing support in the kernel but I´m by far not a Linux expert so I don´t know how the interpret that. Cheers Johan -- johann ------------------------------------------------------------------------ johann's Profile: http://forums.slimdevices.com/member.php?userid=10177 View this thread: http://forums.slimdevices.com/showthread.php?t=82110
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