[Bug 446146] Re: Several Huawei USB dongle don't work with kernel 2.6.31-12.40 (2.6.31.1 update related)

[Kim spence-Jones]

Hmm. No joy with 2.6.31.15 either with E220. In fact a whole bunch of
bugs...

* I have the "disconnects almost immediately, after connection initiaetd
from network manger" behavior.

* I also have a mode where the E220 light goes out completely, and the
device disappears from lsusb. This seems to be a crashed-modem state,
and only unplugging/replugging the modem recovers life.

* Also, if you leave the modem plugged in but not connected, you can get
a dialog box repeatedly popping up saying "Unable to mount
MOBILE_CONNECT /n Error mounting: mount exited with exit code 1: helper
failed with /n mount:block device /dev/sr0 is write protected, mounting
read-only /n mount: /dev/sr0 is not a valid block device", associated
with a few more green flashes of the modem light than usual. (not sure
if this always happens.)

* Sometimes when I try to connect, it pops up a dialog with "A password
is required to connect to 'T-mobile' /n HUAWEI technologies HUAWEI
mobile" and a password entry field. And sometimes it doesn't need this.
But even if you enter the correct password at this point, it doesn't
seem to help. [this behavior existed in 8.10 too, and was usually cured
by system restart ]

* Behavior seems to be different depending on whether the modem is
present at boot time or not.

Can someone indicate which modem software upgrade is considered good? [I
upgraded a while ago, and the version I installed worked flawlessly with
8.10.]

In case it's relevant, I'm a T-Mobile user in the UK. And I used the
menu option for "Connection Information" (right-click over networking
icon) to delete t-mobile entry, then rebooted and inserted new entry
using T-mobile defaults. (The old entry had manual DNS servers, but the
default auto-IPv4 settings didn't seem to make any difference, at least
during the short connection attempt). Still doing the almost-immediate
disconnect thing.

-- 
Several Huawei USB dongle don't work with kernel 2.6.31-12.40 (2.6.31.1 update related)
https://bugs.launchpad.net/bugs/446146
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