Comment 24 for bug 738005

From CurrentDmesg:

[ 293.100617] usb 1-4: USB disconnect, address 3
[ 293.100917] sierra ttyUSB0: Sierra USB modem converter now disconnected from ttyUSB0
[ 293.100950] sierra 1-4:1.0: device disconnected
[ 293.101175] sierra ttyUSB1: Sierra USB modem converter now disconnected from ttyUSB1
[ 293.101203] sierra 1-4:1.1: device disconnected
[ 293.101426] sierra ttyUSB2: Sierra USB modem converter now disconnected from ttyUSB2
[ 293.101454] sierra 1-4:1.3: device disconnected
[ 293.106416] sierra ttyUSB3: Sierra USB modem converter now disconnected from ttyUSB3
[ 293.106440] sierra 1-4:1.4: device disconnected
[ 293.133861] sierra_net 1-4:1.7: wwan0: unregister 'sierra_net' usb-0000:00:1a.7-4, Sierra Wireless USB-to-WWAN Modem
[ 293.182567] sierra_net 1-4:1.7: (unregistered net_device): usb_control_msg failed, status -19
[ 306.842696] usb 1-4: new high speed USB device using ehci_hcd and address 4
[ 306.991723] usb 1-4: config 1 has an invalid interface number: 9 but max is 5
[ 306.991728] usb 1-4: config 1 has an invalid interface number: 7 but max is 5
[ 306.991732] usb 1-4: config 1 has no interface number 2
[ 306.991735] usb 1-4: config 1 has no interface number 5
[ 306.996921] sierra 1-4:1.0: Sierra USB modem converter detected

From WiFi.log:

Apr 14 18:21:56 cal modem-manager: (tty/ttyUSB0): outstanding support task prevents export of /sys/devices/pci0000:00/0000:00:1a.7/usb1/1-4
[ 306.998834] usb 1-4: Sierra USB modem converter now attached to ttyUSB0
[ 306.998913] sierra 1-4:1.1: Sierra USB modem converter detected
[ 306.999887] usb 1-4: Sierra USB modem converter now attached to ttyUSB1
[ 306.999963] sierra 1-4:1.3: Sierra USB modem converter detected
[ 307.001183] usb 1-4: Sierra USB modem converter now attached to ttyUSB2
[ 307.001269] sierra 1-4:1.4: Sierra USB modem converter detected
[ 307.002028] usb 1-4: Sierra USB modem converter now attached to ttyUSB3
[ 307.011046] scsi8 : usb-storage 1-4:1.9
[ 307.026734] sierra_net 1-4:1.7: wwan0: register 'sierra_net' at usb-0000:00:1a.7-4, Sierra Wireless USB-to-WWAN Modem, 2e:39:ff:56:02:07