El 21/12/11 23:06, Casi wrote: > Summary: at the moment the patch doesn't work for me :( ... :) Fortunately, I was wrong !! Midi playback works! The MOX wasn't configured in the right midi channel. $ aconnect -iol client 0: 'System' [type=kernel] 0 'Timer ' 1 'Announce ' client 14: 'Midi Through' [type=kernel] 0 'Midi Through Port-0' client 20: 'Yamaha MOX6/MOX8' [type=kernel] 0 'Yamaha MOX6/MOX8 MIDI 1' 1 'Yamaha MOX6/MOX8 MIDI 2' 2 'Yamaha MOX6/MOX8 MIDI 3' 3 'Yamaha MOX6/MOX8 MIDI 4' 4 'Yamaha MOX6/MOX8 MIDI 5' $ aplaymidi -p 20:0 mutopia_sample.mid sounds fine in the MOX. Midi recording works! $ arecordmidi -l Port Client name Port name 14:0 Midi Through Midi Through Port-0 20:0 Yamaha MOX6/MOX8 Yamaha MOX6/MOX8 MIDI 1 20:1 Yamaha MOX6/MOX8 Yamaha MOX6/MOX8 MIDI 2 20:2 Yamaha MOX6/MOX8 Yamaha MOX6/MOX8 MIDI 3 20:3 Yamaha MOX6/MOX8 Yamaha MOX6/MOX8 MIDI 4 20:4 Yamaha MOX6/MOX8 Yamaha MOX6/MOX8 MIDI 5 $ arecordmidi -p 20:0 mox_recording.mid good! Audio playback works! I didn't choose the right device. $ aplay -vv -D plughw:MOX6MOX8 /usr/share/sounds/alsa/Front_Center.wav Playing WAVE '/usr/share/sounds/alsa/Front_Center.wav' : Signed 16 bit Little Endian, Rate 48000 Hz, Mono Plug PCM: Rate conversion PCM (44100, sformat=S16_LE) Converter: libspeex (builtin) Protocol version: 10002 Its setup is: stream : PLAYBACK access : RW_INTERLEAVED format : S16_LE subformat : STD channels : 1 rate : 48000 exact rate : 48000 (48000/1) msbits : 16 buffer_size : 24000 period_size : 6000 period_time : 125011 tstamp_mode : NONE period_step : 1 avail_min : 6000 period_event : 0 start_threshold : 24000 stop_threshold : 24000 silence_threshold: 0 silence_size : 0 boundary : 6755399441055744000 Slave: Route conversion PCM (sformat=S24_3LE) Transformation table: 0 <- 0 1 <- 0 Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S16_LE subformat : STD channels : 1 rate : 44100 exact rate : 44100 (44100/1) msbits : 16 buffer_size : 22051 period_size : 5513 period_time : 125011 tstamp_mode : NONE period_step : 1 avail_min : 5513 period_event : 0 start_threshold : 16539 stop_threshold : 22051 silence_threshold: 0 silence_size : 0 boundary : 6206804711446675456 Slave: Hardware PCM card 1 'Yamaha MOX6/MOX8' device 0 subdevice 0 Its setup is: stream : PLAYBACK access : MMAP_INTERLEAVED format : S24_3LE subformat : STD channels : 2 rate : 44100 exact rate : 44100 (44100/1) msbits : 24 buffer_size : 22051 period_size : 5513 period_time : 125011 tstamp_mode : NONE period_step : 1 avail_min : 5513 period_event : 0 start_threshold : 16539 stop_threshold : 22051 silence_threshold: 0 silence_size : 0 boundary : 6206804711446675456 appl_ptr : 0 hw_ptr : 0 # + | 11% sounds fine! Audio recording doesn't work at the moment. $ arecord -l **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC272X Analog [ALC272X Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: MOX6MOX8 [Yamaha MOX6/MOX8], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 $ arecord -vv -D plughw:MOX6MOX8 mox_recording.wav Recording WAVE 'mox_recording.wav' : Unsigned 8 bit, Rate 8000 Hz, Mono Plug PCM: Rate conversion PCM (44100, sformat=U8) Converter: libspeex (builtin) Protocol version: 10002 Its setup is: stream : CAPTURE access : RW_INTERLEAVED format : U8 subformat : STD channels : 1 rate : 8000 exact rate : 8000 (8000/1) msbits : 8 buffer_size : 4000 period_size : 1000 period_time : 125011 tstamp_mode : NONE period_step : 1 avail_min : 1000 period_event : 0 start_threshold : 1 stop_threshold : 4000 silence_threshold: 0 silence_size : 0 boundary : 1125899906842624000 Slave: Route conversion PCM (sformat=S24_3LE) Transformation table: 0 <- 0*0.25 + 1*0.25 + 2*0.25 + 3*0.25 Its setup is: stream : CAPTURE access : MMAP_INTERLEAVED format : U8 subformat : STD channels : 1 rate : 44100 exact rate : 44100 (44100/1) msbits : 8 buffer_size : 22056 period_size : 5513 period_time : 125011 tstamp_mode : NONE period_step : 1 avail_min : 5513 period_event : 0 start_threshold : 6 stop_threshold : 22056 silence_threshold: 0 silence_size : 0 boundary : 6208212086330228736 Slave: Hardware PCM card 1 'Yamaha MOX6/MOX8' device 0 subdevice 0 Its setup is: stream : CAPTURE access : MMAP_INTERLEAVED format : S24_3LE subformat : STD channels : 4 rate : 44100 exact rate : 44100 (44100/1) msbits : 24 buffer_size : 22056 period_size : 5513 period_time : 125011 tstamp_mode : NONE period_step : 1 avail_min : 5513 period_event : 0 start_threshold : 6 stop_threshold : 22056 silence_threshold: 0 silence_size : 0 boundary : 6208212086330228736 appl_ptr : 0 hw_ptr : 0 Status(R/W): state : PREPARED trigger_time: 0.000000 tstamp : 14064.731791446 delay : 4000 avail : 0 avail_max : 0 arecord: xrun:1359: read/write error, state = PREPARED $ dmesg [14043.238260] cannot submit datapipe for urb 0, error -28: not enough bandwidth I'm reading about this type of error messages but I'm not sure: 1) Do I own a buggy USB controller? $ lspci 00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02) 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) 00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06) 00:1a.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05) 00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05) 00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05) 00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05) 00:1d.0 USB Controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05) 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5) 00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 05) 00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05) 00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05) 01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM57780 Gigabit Ethernet PCIe (rev 01) 02:00.0 Network controller: Atheros Communications Inc. AR928X Wireless Network Adapter (PCI-Express) (rev 01) ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02) ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02) ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02) ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02) ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02) ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02) 2) IRQ issue? $ cat /proc/interrupts CPU0 CPU1 0: 51 45 IO-APIC-edge timer 1: 12 33738 IO-APIC-edge i8042 8: 0 1 IO-APIC-edge rtc0 9: 188 141 IO-APIC-fasteoi acpi 12: 16431 832211 IO-APIC-edge i8042 16: 214 54 IO-APIC-fasteoi ehci_hcd:usb1, mei 17: 194452 336 IO-APIC-fasteoi ath9k 23: 153036 29 IO-APIC-fasteoi ehci_hcd:usb2 40: 86733 3202 PCI-MSI-edge ahci 41: 2 1 PCI-MSI-edge eth0 42: 3473069 3979 PCI-MSI-edge i915 43: 785 148 PCI-MSI-edge hda_intel NMI: 0 0 Non-maskable interrupts LOC: 2930357 3123027 Local timer interrupts SPU: 0 0 Spurious interrupts PMI: 0 0 Performance monitoring interrupts IWI: 0 0 IRQ work interrupts RES: 2566888 4047704 Rescheduling interrupts CAL: 1583 4423 Function call interrupts TLB: 2616 2992 TLB shootdowns TRM: 0 0 Thermal event interrupts THR: 0 0 Threshold APIC interrupts MCE: 0 0 Machine check exceptions MCP: 52 51 Machine check polls ERR: 0 MIS: 0 $ 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 064e:a219 Suyin Corp. 1.3M WebCam (notebook emachines E730, Acer sub-brand) Bus 002 Device 009: ID 0499:1503 Yamaha Corp. 3) USB bandwith issue? ... At this point, the only thing I'm sure is the main problem is my ignorance ;( Thanks again and Merry Christmas! ------------------------------------------------------------------------------ Write once. Port to many. Get the SDK and tools to simplify cross-platform app development. Create new or port existing apps to sell to consumers worldwide. Explore the Intel AppUpSM program developer opportunity. appdeveloper.intel.com/join http://p.sf.net/sfu/intel-appdev _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user