Using NM 0.7.1, I'm often getting a problem where NM disables the USB
device if the dial-up fails. This means the dongle has to be unplugged and
re-plugged to try again. Given the time these things take to initialise
it's a bit of a pain :(
The log says what it's doing:
Jun 12 11:40:07 dad NetworkManager: <debug> [1244803207.802978]
nm_serial_debug(): Sending: 'ATD*99***1# '
Jun 12 11:40:39 dad NetworkManager: <WARN> dial_done(): Dialing timed out
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): device state change:
4 -> 9
Jun 12 11:40:39 dad NetworkManager: <debug> [1244803239.005096]
nm_serial_device_close(): Closing device 'ttyUSB1'
Jun 12 11:40:39 dad NetworkManager: <info> Marking connection '3' invalid.
Jun 12 11:40:39 dad NetworkManager: <info> Activation (ttyUSB1) failed.
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): device state change:
9 -> 3
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): deactivating device
(reason: 0).
Jun 12 11:40:39 dad NetworkManager: <info> Policy set 'Auto eth0' (eth0)
as default for routing and DNS.
Jun 12 11:40:39 dad NetworkManager:
nm_system_device_flush_ip4_routes_with_iface: assertion `iface_idx >= 0'
failed
Jun 12 11:40:39 dad NetworkManager:
nm_system_device_flush_ip4_addresses_with_iface: assertion `iface_idx >= 0'
failed
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB0): now unmanaged
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB0): device state change:
3 -> 1
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB0): cleaning up...
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB0): taking down device.
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): now unmanaged
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): device state change:
3 -> 1
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): cleaning up...
Jun 12 11:40:39 dad NetworkManager: <info> (ttyUSB1): taking down device.
I suspect the flush-routes assertion is actually the trigger, but I don't
see why it should assert.
After this the USB port is actually in an invalid state. E.g. If you run
lsusb it hangs until the device is unplugged.
Rick Jones
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