** Also affects: canonical-devices-system-image
Importance: Undecided
Status: New
** Changed in: canonical-devices-system-image
Status: New = Incomplete
** Changed in: canonical-devices-system-image
Milestone: None = ww13-2015
** Changed in: canonical-devices-system-image
*** This bug is a duplicate of bug 1418077 ***
https://bugs.launchpad.net/bugs/1418077
** This bug has been marked a duplicate of bug 1418077
After connection drops, mobile-data takes ~5m to re-connect
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*** This bug is a duplicate of bug 1418077 ***
https://bugs.launchpad.net/bugs/1418077
I created bug #1431471 to track the wrong SIM problem mentioned in
comment #11.
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So it looks you indeed have hit #1418077.
This is pretty obvious by looking in the attached nmlog file, and search
for connection '/208150102671184/context1'. You'll see it get disabled
at 18:41:24 after a bunch of failed attempts ( modem-no-carrier ). It
gets successfully auto-activated again
** Attachment added: session log from network-test-session_20150603_102306
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1425987/+attachment/4341834/+files/network-test-session.log
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I need some confirmation from Mathieu before I change this bug to
Confirmed and re-title it...
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https://bugs.launchpad.net/bugs/1425987
Title:
** Attachment added: NM log messages from network-test-session_20150603_102306
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1425987/+attachment/4341813/+files/nmlog-lp1425987.txt
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OK, I'll take a dive into the network-test-session logs later today.
From your description in comment #9, it sounds like this is the same
issue as bug #1418077, where something causes the mobile data connection
to drop and NM takes ~5m to restore the connection. If the logs concur
with my
Here is the log of a test session when I reproduced this morning.
I booted the phone with Wifi, disabled Wifi, the device switched to 3G. At
10:10, it lost the connection and it came back at 10:15. The connection was
stable for the rest of the test.
The indicator showed 3 bars then 2 bars.
**
I tried to 1. boot with Wifi enabled, then disable it. 2. Boot with Wifi
disabled
The result is the same, there is a cellular data connection, which drops after
several minutes.
The signal is usually 2 or 3 bars, never less, never more.
I'll try Sergio's tool.
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@Jean-Baptiste
Can you reproduce this reliably?
Also, it sounds like your steps are:
1. Boot the phone w/WiFi enabled, and in range of a remembered access point
2. Disable WiFi
3. Verify the mobile data connection comes up
4. After several minutes, the data connection will drop; sometimes it's
Moved back to Incomplete until we better understand the bug.
** Changed in: network-manager (Ubuntu)
Status: Confirmed = Incomplete
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Note, I see you attached the output of 'nmcli d' ( nmcli-dev.txt ), but
what's important is the output after the problem occurs. The file you
attached shows the initial state when things are working.
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@Jean-Baptiste
I'm pretty sure this is a duplicate of bug #1426122.
When your network fails, can you grab the output of the command 'nmcli
d'?
The problem we've seen on arale krillin with network-manager 0.9.10 is
that the patch that makes network-manager ignore devices owned by rild,
wasn't
I rebooted the device, it established a data connection (H symbol in the
indicator) then after less than 5 minutes it disconnected
$ nmcli d
DEVICE TYPE STATE CONNECTION
ril_0gsm disconnected --
ril_1gsm unavailable --
ifb0 ifb
** Tags added: lt-blocker lt-category-visible
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https://bugs.launchpad.net/bugs/1425987
Title:
Cellular data connection stops after a while
Status
@Jean-Baptiste
Hmmm, this looks different than bug #1426122.
How are you determining that it disconnected? Did the icon change or
are you running a ping, or some other application attempting to use the
network that starts failing?
Also can you:
1. attach the syslog from the device
2. attach
** Changed in: network-manager (Ubuntu)
Status: New = Incomplete
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https://bugs.launchpad.net/bugs/1425987
Title:
Cellular data connection
** Changed in: network-manager (Ubuntu)
Importance: Undecided = High
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https://bugs.launchpad.net/bugs/1425987
Title:
Cellular data connection
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