Erik,
To be thorough, I just went back and plugged the USB midi device into my
BBB and got this:
[You can see the midi adapter in the list below]
debian@vBBB9-Office-Cl4:~$ lsusb
Bus 001 Device 002: ID 1a86:752d QinHeng Electronics CH345 MIDI adapter
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
[Below shows that the alsa endpoints were NOT created for the device, which
is very different from the rPi situation in my previous response!]
debian@vBBB9-Office-Cl4:~$ sudo aconnect -i
client 0: 'System' [type=kernel]
0 'Timer '
1 'Announce '
[Notice the strange descriptor errors below...]
debian@vBBB9-Office-Cl4:~$ dmesg | grep usb
[ 0.147858] usbcore: registered new interface driver usbfs
[ 0.147956] usbcore: registered new interface driver hub
[ 0.148299] usbcore: registered new device driver usb
[ 1.028641] usbcore: registered new interface driver cdc_ether
[ 1.028726] usbcore: registered new interface driver rndis_host
[ 1.028895] usbcore: registered new interface driver cdc_ncm
[ 1.031189] usbcore: registered new interface driver cdc_acm
[ 1.031473] usbcore: registered new interface driver usb-storage
[ 1.031701] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
[ 1.032076] musb-hdrc musb-hdrc.0.auto: pdev->id = 0
[ 1.032101] musb-hdrc musb-hdrc.0.auto: drivers/usb/musb/musb_dsps.c:480
dsps_musb_init: OK
[ 1.032138] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine,
bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 1.032155] musb-hdrc: MHDRC RTL version 2.0
[ 1.032168] musb-hdrc: setup fifo_mode 4
[ 1.032192] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 1.032339] musb-hdrc musb-hdrc.0.auto: *** mode=3
[ 1.032357] musb-hdrc musb-hdrc.0.auto: *** power=250
[ 1.033058] musb-hdrc musb-hdrc.1.auto: pdev->id = 1
[ 1.033085] musb-hdrc musb-hdrc.1.auto: drivers/usb/musb/musb_dsps.c:480
dsps_musb_init: OK
[ 1.033119] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine,
bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
[ 1.033135] musb-hdrc: MHDRC RTL version 2.0
[ 1.033147] musb-hdrc: setup fifo_mode 4
[ 1.033248] musb-hdrc: 28/31 max ep, 16384/16384 memory
[ 1.033396] musb-hdrc musb-hdrc.1.auto: *** mode=1
[ 1.033415] musb-hdrc musb-hdrc.1.auto: *** power=250
[ 1.033432] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 1.033750] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned
bus number 1
[ 1.033797] musb-hdrc musb-hdrc.1.auto: supports USB remote wakeup
[ 1.033895] usb usb1: default language 0x0409
[ 1.033949] usb usb1: udev 1, busnum 1, minor = 0
[ 1.033969] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.033988] usb usb1: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 1.034005] usb usb1: Product: MUSB HDRC host driver
[ 1.034022] usb usb1: Manufacturer: Linux 3.8.13-bone70 musb-hcd
[ 1.034038] usb usb1: SerialNumber: musb-hdrc.1.auto
[ 1.034690] usb usb1: usb_probe_device
[ 1.034715] usb usb1: configuration #1 chosen from 1 choice
[ 1.034778] usb usb1: adding 1-0:1.0 (config #1, interface 0)
[ 1.034949] hub 1-0:1.0: usb_probe_interface
[ 1.034969] hub 1-0:1.0: usb_probe_interface - got id
[ 1.136944] usb usb1: bus auto-suspend, wakeup 1
[ 1.145404] usbcore: registered new interface driver usbhid
[ 1.145422] usbhid: USB HID core driver
[ 1.245144] usb usb1: usb wakeup-resume
[ 1.245189] usb usb1: usb auto-resume
[ 1.453267] usb 1-1: new full-speed USB device number 2 using musb-hdrc
[ 1.572342] usb 1-1: ep0 maxpacket = 8
*[ 1.573188] usb 1-1: skipped 1 descriptor after interface[ 1.573205]
usb 1-1: skipped 7 descriptors after interface[ 1.573216] usb 1-1:
skipped 1 descriptor after endpoint[ 1.573226] usb 1-1: skipped 1
descriptor after endpoint*[ 1.573316] usb 1-1: default language 0x0409
[ 1.573482] usb 1-1: udev 2, busnum 1, minor = 1
[ 1.573497] usb 1-1: New USB device found, idVendor=1a86, idProduct=752d
[ 1.573508] usb 1-1: New USB device strings: Mfr=0, Product=2,
SerialNumber=0
[ 1.573517] usb 1-1: Product: USB2.0-MIDI
[ 1.573924] usb 1-1: usb_probe_device
[ 1.573941] usb 1-1: configuration #1 chosen from 1 choice
[ 1.574048] usb 1-1: adding 1-1:1.0 (config #1, interface 0)
[ 1.574303] usb 1-1: adding 1-1:1.1 (config #1, interface 1)
[ 3.772427] rtusb init rt2870 --->
[ 3.772585] usbcore: registered new interface driver rt2870
[ 9.394238] snd-usb-audio 1-1:1.0: usb_probe_interface
[ 9.394273] snd-usb-audio 1-1:1.0: usb_probe_interface - got id
[ 10.029579] usbcore: registered new interface driver snd-usb-audio
[ 11.088773] usb0: MAC 90:59:af:58:eb:d0
[ 11.088791] usb0: HOST MAC 90:59:af:58:eb:dc
[ 11.108282] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
[ 11.109291] musb-hdrc musb-hdrc.0.auto: new USB bus registered, assigned
bus number 2
[ 11.109325] musb-hdrc musb-hdrc.0.auto: supports USB remote wakeup
[ 11.112544] usb usb2: default language 0x0409
[ 11.112586] usb usb2: udev 1, busnum 2, minor = 128
[ 11.112599] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 11.112610] usb usb2: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 11.112620] usb usb2: Product: MUSB HDRC host driver
[ 11.112629] usb usb2: Manufacturer: Linux 3.8.13-bone70 musb-hcd
[ 11.112639] usb usb2: SerialNumber: musb-hdrc.0.auto
[ 11.115740] usb usb2: usb_probe_device
[ 11.115763] usb usb2: configuration #1 chosen from 1 choice
[ 11.115817] usb usb2: adding 2-0:1.0 (config #1, interface 0)
[ 11.115942] hub 2-0:1.0: usb_probe_interface
[ 11.115954] hub 2-0:1.0: usb_probe_interface - got id
[ 11.217066] usb usb2: bus auto-suspend, wakeup 1
[ 14.943620] IPv6: ADDRCONF(NETDEV_UP): usb0: link is not ready
I am thinking the above descriptor issues are somehow related to the fact
that the midi doesnt work on the BBB and the endpoints are not showing up
in the "aconnect -i" list. But why this problem when neither the rPi nor
my Ubuntu laptop have the problem?
Still not sure if USB Vbus is a problem on the BBB, but I remember this
thread from some time ago:
https://groups.google.com/forum/#!msg/beagleboard/tYYMzO2M4LQ/SpXZxewcCLoJ
Also, the BBB has long had a history of USB problems that I remember from a
few years ago...this is one reference:
https://groups.google.com/forum/#!topic/beagleboard/nuyyVDhU6bw
good luck!
-frenchy (Steve French)
www.voltvision.com
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