Public bug reported:
Binary package hint: network-manager
Network-Manager drops the connection whenever the modem (ZTE MF626) tries to
switch the modes between 2G and 3G.
After the connection is dropped I cannot "dial" the connection again (because
it disappears from the network-manager and stops responding) then it's
necessary to unplug/plug the device so it can be recognized.
Looking at the /var/log/messages, I got the following output:
Aug 2 01:04:09 tifa pppd[3123]: Modem hangup
Aug 2 01:04:09 tifa pppd[3123]: Connect time 52.5 minutes.
Aug 2 01:04:09 tifa pppd[3123]: Sent 1414835 bytes, received 8290934 bytes.
Aug 2 01:04:09 tifa kernel: [ 4635.988851] option1 ttyUSB0: GSM modem (1-port)
converter now disconnected from ttyUSB0
Aug 2 01:04:09 tifa kernel: [ 4635.988880] option 1-8:1.0: device disconnected
Aug 2 01:04:09 tifa kernel: [ 4635.988957] option1 ttyUSB1: GSM modem (1-port)
converter now disconnected from ttyUSB1
Aug 2 01:04:09 tifa kernel: [ 4635.988975] option 1-8:1.1: device disconnected
Aug 2 01:04:09 tifa kernel: [ 4635.989319] option1 ttyUSB2: GSM modem (1-port)
converter now disconnected from ttyUSB2
Aug 2 01:04:09 tifa kernel: [ 4635.989332] option 1-8:1.3: device disconnected
Aug 2 01:04:09 tifa pppd[3123]: Connection terminated.
Aug 2 01:04:09 tifa kernel: [ 4636.100035] usb 1-8: reset high speed USB
device using ehci_hcd and address 9
Aug 2 01:04:11 tifa pppd[3123]: Exit.
Additional Information:
I'm currently using Ubuntu 'Lucid' but I'm experiencing this bug since Ubuntu
'Karmic' in my desktop and my netbook aswell.
Besides, I think the Network-Manager is lacking an option to change manually
between 2G and 3G networks.
----------------------------------------------
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: network-manager 0.8-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.32-24.38-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
NonfreeKernelModules: fglrx
Architecture: i386
CRDA: Error: [Errno 2] Arquivo ou diretório não encontrado
Date: Mon Aug 2 03:31:51 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
IpRoute:
10.64.64.64 dev ppp0 proto kernel scope link src 187.119.80.33
10.1.1.0/24 dev br0 proto kernel scope link src 10.1.1.1
169.254.0.0/16 dev br0 scope link metric 1000
default via 10.64.64.64 dev ppp0 proto static
Keyfiles: Error: [Errno 2] Arquivo ou diretório não encontrado
ProcEnviron:
LANGUAGE=pt_BR:pt:pt_PT
LANG=pt_BR.utf8
SHELL=/bin/bash
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
SourcePackage: network-manager
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: 3g lucid network-manager
--
[ZTE MF626] Connection drops everytime it switches between 3G and 2G
https://bugs.launchpad.net/bugs/612443
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