AnsweredAssumed Answered

ttyACM0 lost on ls1012ardb

Question asked by maumont adrien on Jun 19, 2018
Latest reply on Jul 19, 2018 by maumont adrien

Hi, after several tests on the ls1012ardb demo board, debug serial com ttyACM0 suddenly disappeared.

I can see the mass storage but no tty interface.

dmesg log:

 

[ 5609.803537] usb 1-1: new full-speed USB device number 14 using xhci_hcd
[ 5610.128702] usb 1-1: New USB device found, idVendor=0d28, idProduct=0204
[ 5610.128705] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 5610.128706] usb 1-1: Product: MBED CMSIS-DAP
[ 5610.128707] usb 1-1: Manufacturer: MBED
[ 5610.128708] usb 1-1: SerialNumber: 0201E76BF70B526D1306
[ 5610.129698] usb-storage 1-1:1.0: USB Mass Storage device detected
[ 5610.129911] scsi15 : usb-storage 1-1:1.0
[ 5611.137485] scsi 15:0:0:0: Direct-Access     MBED     microntroller    1.0  PQ: 0 ANSI: 2
[ 5611.138086] sd 15:0:0:0: Attached scsi generic sg4 type 0
[ 5611.140438] sd 15:0:0:0: [sdd] 1072 512-byte logical blocks: (548 kB/536 KiB)
[ 5611.142295] sd 15:0:0:0: [sdd] Write Protect is off
[ 5611.142300] sd 15:0:0:0: [sdd] Mode Sense: 03 00 00 00
[ 5611.143364] sd 15:0:0:0: [sdd] No Caching mode page found
[ 5611.143369] sd 15:0:0:0: [sdd] Assuming drive cache: write through
[ 5611.152350]  sdd:
[ 5611.155020] sd 15:0:0:0: [sdd] Attached SCSI removable disk

 

I tested this on different pc and on windows and linux with the same result.

Outcomes