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Date: Wed, 12 Nov 2014 12:54:06 +0100 From: Aleksander Morgado <aleksander@...ksander.es> To: Dan Williams <dcbw@...hat.com> Cc: sedat.dilek@...il.com, Greg KH <greg@...ah.com>, "David S. Miller" <davem@...emloft.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, linux-usb@...r.kernel.org Subject: Re: Understanding what's going on when using a Huawei E173 USB 3G web-stick (UMTS/HSPA) > > NetworkManager uses ModemManager for all WWAN control, NM only handles > the configuration storage and IP addressing parts of the setup. > ModemManager handles modem hardware detection, capability detection, > WWAN registration and setup, signal strength reporting, network > connection initiation, and bearer IP addressing method determination. > > If you want more information from ModemManager, you can run "mmcli > --help" or "mmcli --set-logging=debug". > That (mmcli) will only be available in ModemManager >= 1.x, BTW. And beware of --set-logging=debug, as syslog may limit those if MM sends too many too fast. In general I usually prefer to ask for --debug output just in case: http://www.freedesktop.org/wiki/Software/ModemManager/Debugging/ I saw the reporter talk about Ubuntu Precise (12.04) and Trusty (14.04), so only in the latter mmcli will be available (if I'm not mistaken). For Precise, this Ubuntu page shows how to enable debug logs: https://wiki.ubuntu.com/DebuggingModemmanager -- Aleksander https://aleksander.es -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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