Public bug reported:

I've been attempting to use my built-in mobile broadband device for the
entire afternoon with no success...but it worked before!!  It must be
some update that caused it.

Here is my device line from lsusb:

Bus 003 Device 003: ID 0bdb:1926 Ericsson Business Mobile Networks BV

NetworkManager applet won't show a mobile broadband option in the menu,
and I guess it's because ModemManager crashes so quickly...

Here's what happens when I run ModemManager:

root@tpx1c /h/jiehan# ModemManager
ModemManager[1296]: <info>  ModemManager (version 0.7.991) starting...
ModemManager[1296]: <warn>  Couldn't find support for device at 
'/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2': not supported by any 
plugin
ModemManager[1296]: <warn>  Couldn't find support for device at 
'/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0': not supported by any plugin
ModemManager[1296]: [/dev/cdc-wdm2] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
ModemManager[1296]: [/dev/cdc-wdm2] Read max control message size from 
descriptors file: 512
ModemManager[1296]: [/dev/cdc-wdm0] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
ModemManager[1296]: [/dev/cdc-wdm0] Read max control message size from 
descriptors file: 512
ModemManager[1296]: [/dev/cdc-wdm1] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
ModemManager[1296]: [/dev/cdc-wdm1] Read max control message size from 
descriptors file: 512
ModemManager[1296]: <info>  Creating modem with plugin 'Ericsson MBM' and '7' 
ports
ModemManager[1296]: <warn>  Could not grab port (usbmisc/cdc-wdm1): 'Cannot add 
port 'usbmisc/cdc-wdm1', unsupported'
ModemManager[1296]: <warn>  Could not grab port (usbmisc/cdc-wdm0): 'Cannot add 
port 'usbmisc/cdc-wdm0', unsupported'
ModemManager[1296]: <warn>  Could not grab port (tty/ttyACM1): 'Cannot add port 
'tty/ttyACM1', unhandled serial type'
ModemManager[1296]: <warn>  Could not grab port (tty/ttyACM0): 'Cannot add port 
'tty/ttyACM0', unhandled serial type'
ModemManager[1296]: <info>  Modem for device at 
'/sys/devices/pci0000:00/0000:00:14.0/usb2/2-4' successfully created
ModemManager[1296]: [/dev/cdc-wdm2] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
ModemManager[1296]: [/dev/cdc-wdm2] Read max control message size from 
descriptors file: 512
*** Error in `ModemManager': malloc(): memory corruption (fast): 
0x0000000000973dc0 ***

The output with --debug flag is attached.

Any advice or ideas are appreciated.  Thanks!

** Affects: modemmanager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: mobile networkmanager

** Attachment added: "modemmanager-debug.txt"
   
https://bugs.launchpad.net/bugs/1191459/+attachment/3704757/+files/modemmanager-debug.txt

** Description changed:

  I've been attempting to use my built-in mobile broadband device for the
  entire afternoon with no success...but it worked before!!  It must be
  some update that caused it.
  
  Here is my device line from lsusb:
- [code]Bus 003 Device 003: ID 0bdb:1926 Ericsson Business Mobile Networks 
BV[/code]
+ 
+ Bus 003 Device 003: ID 0bdb:1926 Ericsson Business Mobile Networks BV
  
  NetworkManager applet won't show a mobile broadband option in the menu,
  and I guess it's because ModemManager crashes so quickly...
  
  Here's what happens when I run ModemManager:
  
  root@tpx1c /h/jiehan# ModemManager
  ModemManager[1296]: <info>  ModemManager (version 0.7.991) starting...
  ModemManager[1296]: <warn>  Couldn't find support for device at 
'/sys/devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2': not supported by any 
plugin
  ModemManager[1296]: <warn>  Couldn't find support for device at 
'/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0': not supported by any plugin
  ModemManager[1296]: [/dev/cdc-wdm2] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
  ModemManager[1296]: [/dev/cdc-wdm2] Read max control message size from 
descriptors file: 512
  ModemManager[1296]: [/dev/cdc-wdm0] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
  ModemManager[1296]: [/dev/cdc-wdm0] Read max control message size from 
descriptors file: 512
  ModemManager[1296]: [/dev/cdc-wdm1] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
  ModemManager[1296]: [/dev/cdc-wdm1] Read max control message size from 
descriptors file: 512
  ModemManager[1296]: <info>  Creating modem with plugin 'Ericsson MBM' and '7' 
ports
  ModemManager[1296]: <warn>  Could not grab port (usbmisc/cdc-wdm1): 'Cannot 
add port 'usbmisc/cdc-wdm1', unsupported'
  ModemManager[1296]: <warn>  Could not grab port (usbmisc/cdc-wdm0): 'Cannot 
add port 'usbmisc/cdc-wdm0', unsupported'
  ModemManager[1296]: <warn>  Could not grab port (tty/ttyACM1): 'Cannot add 
port 'tty/ttyACM1', unhandled serial type'
  ModemManager[1296]: <warn>  Could not grab port (tty/ttyACM0): 'Cannot add 
port 'tty/ttyACM0', unhandled serial type'
  ModemManager[1296]: <info>  Modem for device at 
'/sys/devices/pci0000:00/0000:00:14.0/usb2/2-4' successfully created
  ModemManager[1296]: [/dev/cdc-wdm2] Couldn't query maximum message size: 
IOCTL_WDM_MAX_COMMAND failed: Inappropriate ioctl for device
  ModemManager[1296]: [/dev/cdc-wdm2] Read max control message size from 
descriptors file: 512
  *** Error in `ModemManager': malloc(): memory corruption (fast): 
0x0000000000973dc0 ***
  
  The output with --debug flag is attached.
  
  Any advice or ideas are appreciated.  Thanks!

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https://bugs.launchpad.net/bugs/1191459

Title:
  ModemManager crashes

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