Public bug reported:
~$ lsb_release -rd
Description: Ubuntu 21.04
Release: 21.04
Linux ubuntu-dev 5.11.0-37-generic #41-Ubuntu SMP Mon Sep 20 16:39:20 UTC 2021
x86_64 x86_64 x86_64 GNU/Linux
ZTE Modem USB stick is not recognized. Fails with 'rejecting I/O to dead
device' error.
[qua out 6 09:47:20 2021] usb 1-3: new high-speed USB device number 19 using
xhci_hcd
[qua out 6 09:47:20 2021] usb 1-3: New USB device found, idVendor=19d2,
idProduct=1588, bcdDevice= 0.00
[qua out 6 09:47:20 2021] usb 1-3: New USB device strings: Mfr=2, Product=3,
SerialNumber=5
[qua out 6 09:47:20 2021] usb 1-3: Product: ZTE Mobile Broadband Station
[qua out 6 09:47:20 2021] usb 1-3: Manufacturer: ZTE,Incorporated
[qua out 6 09:47:20 2021] usb 1-3: SerialNumber: 1234567890ABCDEF
[qua out 6 09:47:20 2021] usb-storage 1-3:1.0: USB Mass Storage device detected
[qua out 6 09:47:20 2021] scsi host4: usb-storage 1-3:1.0
[qua out 6 09:47:21 2021] usb 1-3: USB disconnect, device number 19
[qua out 6 09:47:21 2021] usb 1-3: new high-speed USB device number 20 using
xhci_hcd
[qua out 6 09:47:22 2021] usb 1-3: New USB device found, idVendor=19d2,
idProduct=1589, bcdDevice= 0.00
[qua out 6 09:47:22 2021] usb 1-3: New USB device strings: Mfr=10, Product=11,
SerialNumber=13
[qua out 6 09:47:22 2021] usb 1-3: Product: ZTE Mobile Broadband Station
[qua out 6 09:47:22 2021] usb 1-3: Manufacturer: ZTE,Incorporated
[qua out 6 09:47:22 2021] usb 1-3: SerialNumber: 1234567890ABCDEF
[qua out 6 09:47:22 2021] cdc_ether 1-3:1.0 usb0: register 'cdc_ether' at
usb-0000:00:14.0-3, ZTE CDC Ethernet Device, 06:df:4b:52:02:fd
[qua out 6 09:47:22 2021] option 1-3:1.2: GSM modem (1-port) converter detected
[qua out 6 09:47:22 2021] usb 1-3: GSM modem (1-port) converter now attached
to ttyUSB0
[qua out 6 09:47:22 2021] option 1-3:1.3: GSM modem (1-port) converter detected
[qua out 6 09:47:22 2021] usb 1-3: GSM modem (1-port) converter now attached
to ttyUSB1
[qua out 6 09:47:22 2021] option 1-3:1.4: GSM modem (1-port) converter detected
[qua out 6 09:47:22 2021] usb 1-3: GSM modem (1-port) converter now attached
to ttyUSB2
[qua out 6 09:47:22 2021] option 1-3:1.5: GSM modem (1-port) converter detected
[qua out 6 09:47:22 2021] usb 1-3: GSM modem (1-port) converter now attached
to ttyUSB3
[qua out 6 09:47:22 2021] usb-storage 1-3:1.6: USB Mass Storage device detected
[qua out 6 09:47:22 2021] scsi host4: usb-storage 1-3:1.6
[qua out 6 09:47:23 2021] scsi 4:0:0:0: CD-ROM ZTE USB SCSI
CD-ROM 2.31 PQ: 0 ANSI: 0 CCS
[qua out 6 09:47:23 2021] scsi 4:0:0:1: Direct-Access ZTE MMC Storage
2.31 PQ: 0 ANSI: 0 CCS
[qua out 6 09:47:23 2021] sr 4:0:0:0: [sr0] scsi3-mmc drive: 0x/0x caddy
[qua out 6 09:47:59 2021] sr 4:0:0:0: Attached scsi CD-ROM sr0
[qua out 6 09:47:59 2021] sr 4:0:0:0: Attached scsi generic sg4 type 5
[qua out 6 09:47:59 2021] sd 4:0:0:1: Attached scsi generic sg5 type 0
[qua out 6 09:47:59 2021] sd 4:0:0:1: [sdd] 0 512-byte logical blocks: (0 B/0
B)
[qua out 6 09:47:59 2021] sd 4:0:0:1: [sdd] 0-byte physical blocks
[qua out 6 09:47:59 2021] sd 4:0:0:1: [sdd] Test WP failed, assume Write
Enabled
[qua out 6 09:47:59 2021] sd 4:0:0:1: [sdd] Asking for cache data failed
[qua out 6 09:47:59 2021] sd 4:0:0:1: [sdd] Assuming drive cache: write through
[qua out 6 09:48:04 2021] usb 1-3: USB disconnect, device number 20
[qua out 6 09:48:04 2021] cdc_ether 1-3:1.0 usb0: unregister 'cdc_ether'
usb-0000:00:14.0-3, ZTE CDC Ethernet Device
[qua out 6 09:48:04 2021] option1 ttyUSB0: GSM modem (1-port) converter now
disconnected from ttyUSB0
[qua out 6 09:48:04 2021] option 1-3:1.2: device disconnected
[qua out 6 09:48:04 2021] option1 ttyUSB1: GSM modem (1-port) converter now
disconnected from ttyUSB1
[qua out 6 09:48:04 2021] option 1-3:1.3: device disconnected
[qua out 6 09:48:04 2021] option1 ttyUSB2: GSM modem (1-port) converter now
disconnected from ttyUSB2
[qua out 6 09:48:04 2021] option 1-3:1.4: device disconnected
[qua out 6 09:48:04 2021] option1 ttyUSB3: GSM modem (1-port) converter now
disconnected from ttyUSB3
[qua out 6 09:48:04 2021] option 1-3:1.5: device disconnected
[qua out 6 09:48:04 2021] sd 4:0:0:1: [sdd] Attached SCSI removable disk
[qua out 6 09:48:04 2021] scsi 4:0:0:0: rejecting I/O to dead device
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1946229
Title:
ZTE Modem USB stick not recognized
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