[Expired for modemmanager (Ubuntu) because there has been no activity
for 60 days.]
** Changed in: modemmanager (Ubuntu)
Status: Incomplete = Expired
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FWIW, I have never had any problems using PPP with my Huawei E392 modem
on LTE, except for upstream bandwidth being limited around 8 Mbits/s.
But that is a somewhat different firmware with a different set of bugs
from the E398
The issue sounds like a firmware problem. Which isn't unexpected.
If you want to test the QMI stuff, I have a PPA with newer packages:
https://launchpad.net/~mariusko/+archive/network-manager-snapshots
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Well, I still have this issue. Any news or thing that I should try?
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https://bugs.launchpad.net/bugs/1042456
Title:
Huawei e398 doesn't work
Status in “gvfs” package in
Hmm, bug #889878 tells that it works. Testing of the latest daily Ubuntu
Raring image would be useful.
** Changed in: modemmanager (Ubuntu)
Status: Confirmed = Incomplete
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Current MM in Ubuntu fully ignores WWAN ports handled using the QMI
protocol; which means the modem is stuck to use PPP over a serial port.
That method seems to be enough for slower connections like GSM/HSPA, but
definitely not for LTE.
The fix for this is to use QMI and the WWAN port, as done in
@Aleksander: QMI gives higher speed yes, but in my two modems capable of
using both QMI and PPP, I get almost as good downlink speed without QMI.
Only the uplink speed seems to be a bit limited without using QMI.
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@Marius: in your modems, are you using PPP for LTE? Maybe it's a Huawei-
only issue?
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https://bugs.launchpad.net/bugs/1042456
Title:
Huawei e398 doesn't work
Status in
See also duplicate bug #1079273 where a user in Sweden (other network)
reports that it is just unstable, but works sometimes.
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https://bugs.launchpad.net/bugs/1042456
Title:
For stable use yes. But they are Sierra and ZTE modems, so this is not a
general problem with LTE modems.
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Title:
Huawei e398
I've also believe it's Huawei 398 issue. I found some information that
it works with older (5) version of modem manager. I tried but it didn't
work for me neither.
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Hmm, I see now that you have full coverage (5/5). I see that the modem
suddenly loses the data connection port:
modem-manager[14730]: debug [1353275176.363323] [mm-serial-port.c:697]
data_available(): (ttyUSB0) unexpected port hangup!
But then right after it is connected:
modem-manager[14730]:
Don't know; have not played with that modem. But what I can tell is that
using AT+PPP in such a modem is probably a fallback method which is not
supposed to be used... LTE speeds need a net port, PPP just introduces
too much unnecessary overhead.
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It seems like the modem disconnects right after it has connected. I see
that the signal level is 2 of 5. What happens if you try to set the
connection to use only 2G or 3G?
There is work underway upstream to support connecting to the modem using
QMI protocol, but that is probably not ready at
One more comment - wvdial shows the same issue (IMO not NM problem).
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https://bugs.launchpad.net/bugs/1042456
Title:
Huawei e398 doesn't work
Status in “gvfs” package in
On other modems ie. huawei e172e it works ok.
Will check modem limited only to 2g and will show you modem with full coverage
on LTE.
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Modem limited to GSM works stable (logs). On LTE even with maximum
coverage the problem exists (logs).
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https://bugs.launchpad.net/bugs/1042456
Title:
Huawei e398 doesn't
** Attachment added: NM-GSM (ok)
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3437982/+files/nm-GSM.log.txt
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** Attachment added: Modem GSM (ok)
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3437983/+files/modem-GSM.log.txt
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** Attachment added: tests GSM (OK)
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3437984/+files/python-GSM
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** Attachment added: Test LTE (full coverage)
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3437987/+files/python%20-%20LTE
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** Attachment added: Modem LTE (full coverage)
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3437986/+files/modem-LTE.log.txt
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** Attachment added: NM LTE (full coverage)
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3437985/+files/nm-LTE.log.txt
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Hmm, I can't see that you are actually trying to connect in that log
file. Could you please try to get a new log? Please disable wifi first,
and try to connect several times.
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** Attachment added: modem - with several connection attempts
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3436945/+files/modem.log.txt
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** Attachment added: result of python ./mm-test.py
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3436947/+files/log
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** Attachment added: NM - with several connection attempts
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3436946/+files/nm.log.txt
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Please in a terminal run: apport collect 1042456. Please also add
debug logs: https://wiki.ubuntu.com/DebuggingModemmanager
Bug #1079273 indicates that the connection sometimes succeeds. Are you
sure that your LTE/4G coverage is good there?
** Also affects: modemmanager (Ubuntu)
Importance:
apport information
** Tags added: apport-collected running-unity
** Description changed:
After configuring in Network Manager all parameters specific to my ISP I
can't connect to the network with such results:
Aug 28 00:01:07 ubuntu NetworkManager[1152]: info Activation (ttyUSB0)
apport information
** Description changed:
After configuring in Network Manager all parameters specific to my ISP I
can't connect to the network with such results:
Aug 28 00:01:07 ubuntu NetworkManager[1152]: info Activation (ttyUSB0)
starting connection 'Cyfrowy Polsat Default'
Aug
good 4G coverage. Tested with external antenna where i have superb
coverage.
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https://bugs.launchpad.net/bugs/1042456
Title:
Huawei e398 doesn't work
Status in “gvfs”
** Attachment added: network manager logs
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3436216/+files/nm.log.txt
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** Attachment added: mm-test.py
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3436218/+files/log
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** Attachment added: Modem logs
https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1042456/+attachment/3436217/+files/modem.log.txt
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gvfs (Ubuntu)
Status: New = Confirmed
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