Things are moving forward… but I don’t know how to fix them.
The Pegasus is present, detected at boot … but no permanent identification and it disappears.
An idea or a proposal ?
This is what “dmesg|grep USB” does :
root@DietPi:~# dmesg|grep USB
[ 0.701634] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 1
[ 0.702606] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10
[ 0.702613] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.702945] hub 1-0:1.0: USB hub found
[ 0.703356] xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 2
[ 0.703365] xhci_hcd 0000:01:00.0: Host supports USB 3.0 SuperSpeed
[ 0.703569] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10
[ 0.703575] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 0.703859] hub 2-0:1.0: USB hub found
[ 0.709577] usbhid: USB HID core driver
[ 0.963227] usb 1-1: new high-speed USB device number 2 using xhci_hcd
[ 1.113882] usb 1-1: New USB device found, idVendor=2109, idProduct=3431, bcdDevice= 4.21
[ 1.113890] usb 1-1: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[ 1.113896] usb 1-1: Product: USB2.0 Hub
[ 1.115068] hub 1-1:1.0: USB hub found
[ 1.415238] usb 1-1.3: new high-speed USB device number 3 using xhci_hcd
[ 1.520154] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 1.520165] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 1.520170] usb 1-1.3: Product: USB HiRes Audio
[ 2.869119] usb 1-1.3: USB disconnect, device number 3
[ 3.099249] usb 1-1.3: new high-speed USB device number 4 using xhci_hcd
[ 3.204148] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 3.204176] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3.204182] usb 1-1.3: Product: USB HiRes Audio
[ 3.893112] usb 1-1.3: USB disconnect, device number 4
[ 4.123225] usb 1-1.3: new high-speed USB device number 5 using xhci_hcd
[ 4.224052] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 4.224059] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4.224065] usb 1-1.3: Product: USB HiRes Audio
[ 4.661206] usb 1-1.3: USB disconnect, device number 5
[ 4.883245] usb 1-1.3: new high-speed USB device number 6 using xhci_hcd
[ 5.380040] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 5.380047] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 5.380053] usb 1-1.3: Product: USB HiRes Audio
[ 6.709477] usb 1-1.3: USB disconnect, device number 6
[ 6.931225] usb 1-1.3: new high-speed USB device number 7 using xhci_hcd
[ 7.636104] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 7.636112] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 7.636117] usb 1-1.3: Product: USB HiRes Audio
[ 8.757841] usb 1-1.3: USB disconnect, device number 7
[ 8.979283] usb 1-1.3: new high-speed USB device number 8 using xhci_hcd
[ 9.476135] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 9.476147] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 9.476154] usb 1-1.3: Product: USB HiRes Audio
[ 9.781984] usb 1-1.3: USB disconnect, device number 8
[ 10.007225] usb 1-1.3: new high-speed USB device number 9 using xhci_hcd
[ 10.108046] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 10.108054] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 10.108060] usb 1-1.3: Product: USB HiRes Audio
[ 10.806114] usb 1-1.3: USB disconnect, device number 9
[ 11.027225] usb 1-1.3: new high-speed USB device number 10 using xhci_hcd
[ 11.524079] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 11.524093] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 11.524099] usb 1-1.3: Product: USB HiRes Audio
[ 11.830299] usb 1-1.3: USB disconnect, device number 10
[ 12.055225] usb 1-1.3: new high-speed USB device number 11 using xhci_hcd
[ 12.839236] usb 1-1.3: new high-speed USB device number 12 using xhci_hcd
[ 12.940053] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 12.940060] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 12.940066] usb 1-1.3: Product: USB HiRes Audio
[ 13.109950] usb 1-1.3: USB disconnect, device number 12
[ 13.331225] usb 1-1.3: new high-speed USB device number 13 using xhci_hcd
[ 13.436104] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 13.436116] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 13.436122] usb 1-1.3: Product: USB HiRes Audio
[ 14.902741] usb 1-1.3: USB disconnect, device number 13
[ 15.355224] usb 1-1.3: new high-speed USB device number 14 using xhci_hcd
[ 15.456158] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 15.456171] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 15.456177] usb 1-1.3: Product: USB HiRes Audio
[ 16.438953] usb 1-1.3: USB disconnect, device number 14
[ 16.663225] usb 1-1.3: new high-speed USB device number 15 using xhci_hcd
[ 16.764104] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 16.764112] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 16.764118] usb 1-1.3: Product: USB HiRes Audio
[ 17.207048] usb 1-1.3: USB disconnect, device number 15
[ 17.431226] usb 1-1.3: new high-speed USB device number 16 using xhci_hcd
[ 17.532035] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 17.532047] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 17.532053] usb 1-1.3: Product: USB HiRes Audio
[ 18.487273] usb 1-1.3: USB disconnect, device number 16
[ 18.711225] usb 1-1.3: new high-speed USB device number 17 using xhci_hcd
[ 19.495244] usb 1-1.3: new high-speed USB device number 18 using xhci_hcd
[ 19.596090] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 19.596101] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 19.596107] usb 1-1.3: Product: USB HiRes Audio
[ 20.023487] usb 1-1.3: USB disconnect, device number 18
[ 20.247225] usb 1-1.3: new high-speed USB device number 19 using xhci_hcd
[ 20.348056] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 20.348064] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 20.348069] usb 1-1.3: Product: USB HiRes Audio
[ 21.047615] usb 1-1.3: USB disconnect, device number 19
[ 21.691233] usb 1-1.3: new high-speed USB device number 20 using xhci_hcd
[ 21.792100] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 21.792108] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 21.792114] usb 1-1.3: Product: USB HiRes Audio
[ 22.327802] usb 1-1.3: USB disconnect, device number 20
[ 22.551257] usb 1-1.3: new high-speed USB device number 21 using xhci_hcd
[ 22.651993] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 22.652002] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 22.652008] usb 1-1.3: Product: USB HiRes Audio
[ 23.351988] usb 1-1.3: USB disconnect, device number 21
[ 23.575245] usb 1-1.3: new high-speed USB device number 22 using xhci_hcd
[ 23.676034] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 23.676042] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 23.676047] usb 1-1.3: Product: USB HiRes Audio
[ 24.120054] usb 1-1.3: USB disconnect, device number 22
[ 24.343225] usb 1-1.3: new high-speed USB device number 23 using xhci_hcd
[ 24.444070] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 24.444077] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 24.444083] usb 1-1.3: Product: USB HiRes Audio
[ 25.399772] usb 1-1.3: USB disconnect, device number 23
[ 25.627256] usb 1-1.3: new high-speed USB device number 24 using xhci_hcd
[ 25.727997] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 25.728005] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 25.728011] usb 1-1.3: Product: USB HiRes Audio
[ 27.448118] usb 1-1.3: USB disconnect, device number 24
[ 27.671235] usb 1-1.3: new high-speed USB device number 25 using xhci_hcd
[ 27.772102] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 27.772110] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 27.772115] usb 1-1.3: Product: USB HiRes Audio
[ 28.472745] usb 1-1.3: USB disconnect, device number 25
[ 28.695236] usb 1-1.3: new high-speed USB device number 26 using xhci_hcd
[ 28.796026] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 28.796033] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 28.796040] usb 1-1.3: Product: USB HiRes Audio
[ 29.240331] usb 1-1.3: USB disconnect, device number 26
[ 29.899232] usb 1-1.3: new high-speed USB device number 27 using xhci_hcd
[ 30.000155] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 30.000164] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 30.000170] usb 1-1.3: Product: USB HiRes Audio
[ 30.264905] usb 1-1.3: USB disconnect, device number 27
[ 30.487225] usb 1-1.3: new high-speed USB device number 28 using xhci_hcd
[ 31.479219] usb 1-1.3: new high-speed USB device number 29 using xhci_hcd
[ 32.184031] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 32.184038] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 32.184044] usb 1-1.3: Product: USB HiRes Audio
[ 32.825373] usb 1-1.3: USB disconnect, device number 29
[ 33.047225] usb 1-1.3: new high-speed USB device number 30 using xhci_hcd
[ 33.148063] usb 1-1.3: New USB device found, idVendor=152a, idProduct=8829, bcdDevice= 3.12
[ 33.148070] usb 1-1.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 33.148076] usb 1-1.3: Product: USB HiRes Audio
[ 33.593461] usb 1-1.3: USB disconnect, device number 30 ... etc...