Re: Modemmanager/Sierra Wireless MC8781 fails assert when no SIM is inserted

Hey Samium,

> modem-manager[3878]: <info>  [1311508930.212757] [mm-serial-port.c:938] mm_serial_port_close(): (ttyUSB0) serial port closed
> modem-manager[3878]: <debug> [1311508930.213324] [mm-manager.c:687] supports_callback(): (tty/ttyUSB0): plugin 0x9542d20 (Cinterion) existing 0x9542f20 (Sierra) info->best 0x9542f20 (Sierra)
> **
> ERROR:mm-manager.c:688:supports_callback: code should not be reached

I think that Dan already found a situation like this one in git
master... or was it another one?

In general, we should try to limit the cases where modems get probed by
the plugins which support RS232 modems (those without a exclusive
udev-reported vendor ID filter). These plugins (Cinterion in this case)
shouldn't probe modems that have a udev-reported vendor ID 'owned' by
some other plugin.

Will try to prepare a fix for that.


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