Doesn't seem to be a kernel issue, but more of some kind of interaction
between network-manager and modemmanager. No need to keep the bug task
open for linux.
Bartosz; that's not very helpful. Debian packages are very different
that those we use for Ubuntu, at least for NetworkManager.
The package available in 11.10 is one that was thoroughly tested with
various different scenarios. While it may happen that things slip and
fail to work; in this particular case it appears to be very specific to
that device. If not specific to all Huawei E220s, then specific to that
particular dongle/firmware.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/868034
Title:
Huawei E220 can't connect on Ubuntu 11.10
Status in “linux” package in Ubuntu:
Invalid
Status in “network-manager” package in Ubuntu:
In Progress
Bug description:
I'm using Ubuntu in my HP Pavilion dv6745tx laptop. I cannot connect
the Huawei E220 usb modem since 11.10 beta1 (now I'm in beta2). There
is no problem in natty.
I have found this in syslog
Oct 5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0)
starting connection 'Dialog GSM Postpaid'
Oct 5 07:10:51 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state
change: disconnected -> prepare (reason 'none') [30 40 0]
Oct 5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0)
Stage 1 of 5 (Device Prepare) scheduled...
Oct 5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0)
Stage 1 of 5 (Device Prepare) started...
Oct 5 07:10:51 ubuntu NetworkManager[1681]: <info> Activation (ttyUSB0)
Stage 1 of 5 (Device Prepare) complete.
Oct 5 07:10:58 ubuntu NetworkManager[1681]: <warn> GSM connection failed:
(32) Sending command failed: 'Resource temporarily unavailable'
Oct 5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state
change: prepare -> failed (reason 'unknown') [40 120 1]
Oct 5 07:10:58 ubuntu NetworkManager[1681]: <warn> Activation (ttyUSB0)
failed.
Oct 5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): device state
change: failed -> disconnected (reason 'none') [120 30 0]
Oct 5 07:10:58 ubuntu NetworkManager[1681]: <info> (ttyUSB0): deactivating
device (reason: 0).
Oct 5 07:10:58 ubuntu NetworkManager[1681]: nm_system_iface_flush_routes:
assertion `ifindex > 0' failed
Oct 5 07:10:58 ubuntu NetworkManager[1681]: nm_system_iface_flush_addresses:
assertion `ifindex > 0' failed
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