I've discovered an interesting quirk on my zte mf633. If I leave it connected in the usb port and all ttyUSB's are closed this happens after 15 minutes or so:
option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0 option 1-8:1.0: device disconnected option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1 option 1-8:1.1: device disconnected option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2 option 1-8:1.3: device disconnected usb 1-8: reset high speed USB device using ehci_hcd and address 15 usb 1-8: device descriptor read/64, error -110 usb 1-8: device descriptor read/64, error -110 usb 1-8: reset high speed USB device using ehci_hcd and address 15 usb 1-8: device descriptor read/64, error -110 usb 1-8: device descriptor read/64, error -110 usb 1-8: reset high speed USB device using ehci_hcd and address 15 usb 1-8: device not accepting address 15, error -110 usb 1-8: reset high speed USB device using ehci_hcd and address 15 usb 1-8: device not accepting address 15, error -110 sd 14:0:0:0: Device offlined - not ready after error recovery usb 1-8: USB disconnect, address 15 usb 1-8: new high speed USB device using ehci_hcd and address 16 usb 1-8: device descriptor read/64, error -110 usb 1-8: device descriptor read/64, error -110 usb 1-8: new high speed USB device using ehci_hcd and address 17 usb 1-8: device descriptor read/64, error -110 usb 1-8: device descriptor read/64, error -110 usb 1-8: new high speed USB device using ehci_hcd and address 18 usb 1-8: device not accepting address 18, error -110 usb 1-8: new high speed USB device using ehci_hcd and address 19 usb 1-8: device not accepting address 19, error -110 hub 1-0:1.0: unable to enumerate USB device on port 8 usb 5-2: new full speed USB device using uhci_hcd and address 2 usb 5-2: device descriptor read/64, error -110 usb 5-2: device descriptor read/64, error -110 usb 5-2: new full speed USB device using uhci_hcd and address 3 usb 5-2: device descriptor read/64, error -110 usb 5-2: device descriptor read/64, error -110 usb 5-2: new full speed USB device using uhci_hcd and address 4 usb 5-2: device not accepting address 4, error -110 usb 5-2: new full speed USB device using uhci_hcd and address 5 usb 5-2: device not accepting address 5, error -110 hub 5-0:1.0: unable to enumerate USB device on port 2 If I open ttyUSB1 with cutecom and leave it open it works fine. On Tue, 2009-06-30 at 21:46 +0100, Rick Jones wrote: > I've had quite a bit of trouble getting a ZTE 627 3G modem to work > reliably with NM. I've spent a lot of time testing, poking, and > prodding, and there are problems in several areas. Not all of this is > NM directly, but it all impinges. > > I've posted everything I've found on the Ubuntu forums, specifically > this post: > <http://ubuntuforums.org/showthread.php?p=7539275#post7539275>, please > refer to this (and some earlier posts in that thread) rather than me > re-post everything here. > > You'll see that there seem to be issues with the "option" serial modem > driver, as well as udev and/or hal device detection, and NM's > interactions. Any suggestions as to the best way to report these bugs? > - they seem to relate to rather disparate parts of the system, but > which must end up working together. > > Regards > Rick Jones > _______________________________________________ > NetworkManager-list mailing list > NetworkManager-list@gnome.org > http://mail.gnome.org/mailman/listinfo/networkmanager-list _______________________________________________ NetworkManager-list mailing list NetworkManager-list@gnome.org http://mail.gnome.org/mailman/listinfo/networkmanager-list