In my case the workaround works.
It is not the whole device ccmni0 blocked - only transmission with a huge
number of errors:
/var/log/syslog:
.
Aug 3 17:42:06 ubuntu-phablet kernel: [43904.216292][ccci/net] (1)CCMNI0 TX
busy and stop queue: q_idx=32, skb->len=70
Aug 3 17:42:06 ubuntu-phablet kernel: [43904.216326][ccci/net] (1) TX
read_out = 0 avai_out = 32 avai_in = 32
Aug 3 17:42:06 ubuntu-phablet kernel: [43904.216352][ccci/net] (1) RX
read_out = 0 avai_out = 0 avai_in = 99
.
[Repeating serveral times]
.
Output of ifconfig:
ccmni0 Link encap:Ethernet Hardware Adresse c2:75:ba:b8:fd:3e
inet Adresse:10.79.248.38 Maske:255.255.255.0
UP RUNNING NOARP MTU:1500 Metrik:1
RX-Pakete:21543 Fehler:0 Verloren:0 Überläufe:0 Fenster:0
TX-Pakete:17009 Fehler:8017 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX-Bytes:15643461 (15.6 MB) TX-Bytes:1860544 (1.8 MB)
.
(massive transmission errors: "Fehler:8017")
--
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to indicator-network in
Ubuntu.
https://bugs.launchpad.net/bugs/1607079
Title:
Cellular Option immediately crashes [OTA-12]
Status in Canonical System Image:
In Progress
Status in indicator-network package in Ubuntu:
In Progress
Status in ofono package in Ubuntu:
Invalid
Status in ubuntu-system-settings package in Ubuntu:
Invalid
Bug description:
After upgrading to OTA-12 today, everything seemed to work perfectly.
But after rebooting the first time, I was not asked for a SIM PIN
number. I had to deactivate/activate the SIM card so I could use the
phone again.
Due to the fact that the indicator-network is empty, I tried to
activate the 3G connection by using the cellular option in the system
settings.
The cellular data option immediately crashes when selecting it.
Edit:
After rebooting a few times and deactivate/activate the SIM card again I
could use this option. But I cannot activate/deactivate the cellular data
option. My carrier is shown correctly.
To manage notifications about this bug go to:
https://bugs.launchpad.net/canonical-devices-system-image/+bug/1607079/+subscriptions
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