Re: modemmanager broken?

[van Schelve <public van-schelve de>]

Am Mittwoch, den 02.06.2010, 08:53 +0200 schrieb Dan Williams
<dcbw redhat com>:
> On Mon, 2010-05-31 at 10:17 +0200, wp1191918-hgvs wrote:
>> Hi,
>> 
>> I have updated network-manager, network-manager-applet and
modem-manager
>> to the following git versions:
>> modemmanager	1:0.3.1~git.20100525t222447.6c3ae7d-1hgvs
>> network-manager	1:0.8.1~git.20100526t083526.8bd5168-1hgvs
>> network-manager-gnome	1:0.8.1~git.20100526t065235.25dedfb-1hgvs
>> 
>> Now I have the problem, that the internal sierra 3g modem does not get
>> initialized by modem-manager. In /var/log/syslog I see the following
>> looping messages:
>> 
>> .....
>> May 31 10:05:28 nc0631 modem-manager: (tty/ttyUSB0): outstanding
support
>> task prevents export of /sys/devices/pci0000:00/0000:00:1d.1/usb6/6-1
>> May 31 10:05:28 nc0631 modem-manager: (tty/ttyUSB0): outstanding
support
>> task prevents export of /sys/devices/pci0000:00/0000:00:1d.1/usb6/6-1
>> .....
>> 
>> The complete syslog is on patebin.com:
>> 
>> http://pastebin.com/download.php?i=HW39cShc
>> 
>> The interesting thing is: it sometimes work but sometimes not. It looks
>> like that everything is fine when first starting network-manager /
>> modem-manager
>> and then enable the device. When I change this sequence - first
starting
>> the device, then starting nm / mm it fails.
> 
> Is there any chance you could run modem-manager with --debug for me?
> 
> 1) stop NM
> 2) killall -TERM modem-manager
> 3) modem-manager --debug
> 4) start NM
> 5) reproduce the problem
> 
> so we can see what's stopping ttyUSB0 in that log from being handled by
> Sierra?  This part isn't supposed to happen:
> 
> May 31 10:05:28 nc0631 modem-manager: (ttyUSB0): probe requested by
plugin
> 'Generic'
> 
> since the same device that provides ttyUSB0 also also provides ttyUSB2
> and the other ports.
> 
> Dan
> 

Hi Dan,

Unfortunately I am not be able to reproduce the issue while running in
debug mode.
The most situations are after a cold boot. The first indicator is that the
3g connection is not listed in nm-applet. 

Another situation is while performing an undock sequence with my laptop.
Before undocking everything is fine, but after the laptop is out of the
dock nm-applet does not list the mobile connection.

A third problem is that it takes a long time after power on the internal
modem until it can be used to dial up.

Is there a way to modify the upstart initscript to enable debug there?

Hans-Gerd


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