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$ uname -a
Linux 5.15.32-051532-generic #202203280440 SMP Mon Mar 28 09:09:36 UTC 2022
x86_64 x86_64 x86_64 GNU/Linux
$ cat /etc/issue
Ubuntu 21.10 \n \l
$ jackd --version
jackdmp version 1.9.19 tmpdir /dev/shm protocol 9
I connect any USB device after reboot and it works fine. After reconnect
ALSA shows the device but it does not appeared in Carla (ant qjackctl).
I have to reboot to use device.
For example
$ aplay -l
**** List of PLAYBACK Hardware Devices ****
...
card 3: H1n [H1n], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
dmesg:
[ 1105.833466] usb 2-2: new high-speed USB device number 8 using ehci-pci
[ 1108.313496] usb 5-2: new full-speed USB device number 6 using ohci-pci
[ 1108.514438] usb 5-2: New USB device found, idVendor=1686, idProduct=03f5,
bcdDevice= 0.00
[ 1108.514450] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1108.514456] usb 5-2: Product: H1n
[ 1108.514461] usb 5-2: Manufacturer: ZOOM Corporation
[ 1108.514465] usb 5-2: SerialNumber: 000000000000
syslog:
kernel: usb 2-2: new high-speed USB device number 8 using ehci-pci
kernel: usb 5-2: new full-speed USB device number 6 using ohci-pci
kernel: usb 5-2: New USB device found, idVendor=1686, idProduct=03f5,
bcdDevice= 0.00
kernel: usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
kernel: usb 5-2: Product: H1n
kernel: usb 5-2: Manufacturer: ZOOM Corporation
kernel: usb 5-2: SerialNumber: 000000000000
mtp-probe[9931]: checking bus 5, device 6:
"/sys/devices/pci0000:00/0000:00:13.0/usb5/5-2"
mtp-probe[9931]: bus: 5, device: 6 was not an MTP device
mtp-probe[9943]: checking bus 5, device 6:
"/sys/devices/pci0000:00/0000:00:13.0/usb5/5-2"
mtp-probe[9943]: bus: 5, device: 6 was not an MTP device
This started after upgraded to 21.10 from 20.04
** Affects: ubuntu
Importance: Undecided
Status: New
--
Jackd does not see USB device after seconnd connect
https://bugs.launchpad.net/bugs/1967615
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