Public bug reported:
johnman@johnman-ThinkPad-X1-Carbon-4th:~$ usb-devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh=12
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev=04.04
S: Manufacturer=Linux 4.4.0-22-generic xhci-hcd
S: Product=xHCI Host Controller
S: SerialNumber=0000:00:14.0
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=1199 ProdID=9079 Rev=00.06
S: Manufacturer=Sierra Wireless, Incorporated
S: Product=Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A
S: SerialNumber=LF54844201021013
C: #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=500mA
/usr/bin/usb-devices: line 79: printf: c: invalid number
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
/usr/bin/usb-devices: line 79: printf: d: invalid number
I: If#= 0 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
T: Bus=01 Lev=01 Prnt=01 Port=07 Cnt=02 Dev#= 4 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=04f2 ProdID=b531 Rev=00.22
S: Manufacturer=Chicony Electronics Co.,Ltd.
S: Product=Integrated Camera
S: SerialNumber=0001
C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo
I: If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo
T: Bus=01 Lev=01 Prnt=01 Port=08 Cnt=03 Dev#= 5 Spd=12 MxCh= 0
D: Ver= 2.00 Cls=ff(vend.) Sub=10 Prot=ff MxPS= 8 #Cfgs= 1
P: Vendor=138a ProdID=0090 Rev=01.64
S: SerialNumber=c5a380ed1410
C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 5 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none)
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 6
D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1
P: Vendor=1d6b ProdID=0003 Rev=04.04
S: Manufacturer=Linux 4.4.0-22-generic xhci-hcd
S: Product=xHCI Host Controller
S: SerialNumber=0000:00:14.0
C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
Description: Ubuntu 16.04 LTS
Release: 16.04
2) The version of the package you are using, via 'apt-cache policy pkgname' or
by checking in Software Center
Version 15.12
3) What you expected to happen
Working modem in ubuntu
4) What happened instead
Modem is not working somehow.
** Affects: usbutils (Ubuntu)
Importance: Undecided
Status: New
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1579290
Title:
Sierra EM7455 not working usbutils
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