GNOME Bugzilla – Bug 691384
Do not mess with VID 0x0617
Last modified: 2013-01-09 09:08:12 UTC
USB vid 0x0617 is managed by EPFL and no modem have been ever produced with a such VID. But some devices use the CDC-ACM class so modemmanager mess with them and produce a bad user experience. Please blacklist the following VID/PID (you can blacklist the whole VID if you want): 0x0617:0x000a ( Thymio-II robot ) 0x0617:0x000b ( 802.15.4 dongle ) 0x0617:0x000c ( reserved ) BTW, Modemmanager should watch if the serial port is open by an another application and immediately give up in a such case. Inotify with IN_OPEN flag monitoring works with serial ports.
Added the blacklist for the whole VID; both in git master and MM_06. This problem has been fixed in our software repository. The fix will go into the next software release. Thank you for your bug report.