Public bug reported:
I see the following characteristic sequence of stuff in /var/log/syslog.
In it, the modem starts up nicely, then at 09:02:16, pppd times out.
At that point, the modem is marked as invalid, and when I attempt to
reconnect at 09:02:34, it sees the "invalid" marking and doesn't even
give it a serious try.
So a time-out leads to an infinite sequence of failed attempts to
connect, because the system incorrectly thinks the modem is not valid.
The only solution seems to be to unplug the modem and re-plug it.
Sep 11 09:01:56 stars pppd[2666]: pppd 2.4.5 started by root, uid 0
Sep 11 09:01:56 stars pppd[2666]: Using interface ppp0
Sep 11 09:01:56 stars pppd[2666]: Connect: ppp0 <--> /dev/ttyUSB3
Sep 11 09:01:56 stars NetworkManager[1424]: SCPlugin-Ifupdown: devices added
(path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Sep 11 09:01:56 stars NetworkManager[1424]: SCPlugin-Ifupdown: device added
(path: /sys/devices/virtual/net/ppp0, iface: ppp0): no ifupdown configuration
found.
Sep 11 09:02:16 stars NetworkManager[1424]: <warn> pppd timed out or didn't
initialize our dbus module
Sep 11 09:02:16 stars NetworkManager[1424]: <info> (ttyUSB3): device state
change: 7 -> 9 (reason 5)
Sep 11 09:02:16 stars pppd[2666]: Terminating on signal 15
Sep 11 09:02:16 stars NetworkManager[1424]: <info> Marking connection 'Virgin
Mobile Default 1' invalid.
Sep 11 09:02:16 stars NetworkManager[1424]: <warn> Activation (ttyUSB3) failed.
Sep 11 09:02:16 stars NetworkManager[1424]: <info> (ttyUSB3): device state
change: 9 -> 3 (reason 0)
Sep 11 09:02:16 stars NetworkManager[1424]: <info> (ttyUSB3): deactivating
device (reason: 0).
Sep 11 09:02:16 stars modem-manager[1429]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (connected ->
disconnecting)
Sep 11 09:02:17 stars modem-manager[1429]: <info> Modem
/org/freedesktop/ModemManager/Modems/0: state changed (disconnecting ->
registered)
Sep 11 09:02:18 stars avahi-daemon[1426]: Withdrawing workstation service for
ppp0.
Sep 11 09:02:18 stars NetworkManager[1424]: SCPlugin-Ifupdown: devices
removed (path: /sys/devices/virtual/net/ppp0, iface: ppp0)
Sep 11 09:02:34 stars NetworkManager[1424]: <info> Activation (ttyUSB3)
starting connection 'Virgin Mobile Default 1'
Sep 11 09:02:34 stars NetworkManager[1424]: <info> (ttyUSB3): device state
change: 3 -> 4 (reason 0)
Sep 11 09:02:34 stars NetworkManager[1424]: <info> Activation (ttyUSB3) Stage 1
of 5 (Device Prepare) scheduled...
Sep 11 09:02:34 stars NetworkManager[1424]: <info> Activation (ttyUSB3) Stage 1
of 5 (Device Prepare) started...
Sep 11 09:02:34 stars NetworkManager[1424]: <info> Activation (ttyUSB3) Stage 1
of 5 (Device Prepare) complete.
Sep 11 09:02:40 stars NetworkManager[1424]: <warn> GSM connection failed: (32)
Sending command failed: 'Resource temporarily unavailable'
Sep 11 09:02:40 stars NetworkManager[1424]: <info> (ttyUSB3): device state
change: 4 -> 9 (reason 1)
Sep 11 09:02:40 stars NetworkManager[1424]: <info> Marking connection 'Virgin
Mobile Default 1' invalid.
Sep 11 09:02:40 stars NetworkManager[1424]: <warn> Activation (ttyUSB3) failed.
Sep 11 09:02:40 stars NetworkManager[1424]: <info> (ttyUSB3): device state
change: 9 -> 3 (reason 0)
Sep 11 09:02:40 stars NetworkManager[1424]: <info> (ttyUSB3): deactivating
device (reason: 0).
Sep 11 09:02:50 stars modem-manager[1429]: <info> (ttyUSB3) closing serial
port...
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: network-manager 0.8.4~git.20110319t175609.d14809b-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-11.49-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic x86_64
NonfreeKernelModules: fglrx
Architecture: amd64
CRDA: Error: [Errno 2] No such file or directory
Date: Sun Sep 11 09:15:01 2011
IfupdownConfig:
auto lo
iface lo inet loopback
# auto eth0
# iface eth0 inet dhcp
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
IpRoute:
10.64.64.64 dev ppp0 proto kernel scope link src 10.159.159.19
169.254.0.0/16 dev ppp0 scope link metric 1000
default via 10.64.64.64 dev ppp0 proto static
Keyfiles: Error: [Errno 2] No such file or directory
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
ProcEnviron:
LANGUAGE=en_GB:en
LANG=en_GB.UTF-8
SHELL=/bin/bash
RfKill:
SourcePackage: network-manager
UpgradeStatus: Upgraded to natty on 2011-04-30 (133 days ago)
** Affects: network-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/846868
Title:
Alcatel 3G modem: Network Manager times out before connection
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