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Date:      Sat, 19 Jun 2010 10:04:03 +0400
From:      Alex Povolotsky <tarkhil@webmail.sub.ru>
To:        freebsd-mobile@freebsd.org, freebsd-usb@freebsd.org
Subject:   Axesstel modem ignoring everything
Message-ID:  <4C1C5DD3.60000@webmail.sub.ru>

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Hello!

I've installed Axesstel MV100 CDMA modem on 7.2 server, it got attached 
by ucom and worked well ... for some time, despite console messages

Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(a, 1): STALLED
Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(b, 1): STALLED
Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(0, 2): STALLED
Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(3, 0): STALLED
Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(2, 3): STALLED
Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(1, 0): STALLED
Jun 16 05:56:41 server-1 kernel: ucom0: ubsa_request(10, 191): STALLED

After a night of inactivity, it ceased to work. ppp dropped and was 
unable to reconnect, connecting with cu showed PPP packets, sometimes

$QCMTI: ALIVE

and no reaction on break, +++, AT, drop DTR.

After several attempts, I've managed to hangup modem and reattach ppp; 
however, after one more night modem became completely unresponsive. 
Similar problems were mentioned in some Polish Ubuntu forum, without 
meaningful response.

Maybe someone has found a way to either make Axesstel properly react on 
break/dtr, or at least a way to reset it? I am unable to install 
sysutils/upower since the server is connected by much more expensive and 
slow GSM modem, and upower requires dbus, gnome, and, most likely, will 
request video codecs and OpenGL. Besides that, I haven't found in upower 
manuals any clues on just resetting the USB device.

Thanks in advance

Alex.



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