Comment 5 for bug 46685

Upgrade on my installation does not lead to "freeze", but the update process idles 'till I kill the "wvdialconf" process.

A manual start of "wvdial /etc/wvdial.conf" brings the following output:
root@kisterl:~# wvdialconf /etc/wvdial.conf
Editing `/etc/wvdial.conf'.

Scanning your serial ports for a modem.

ttyS0<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyS0<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
ttyS0<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
ttyS1<*1>: ATQ0 V1 E1 -- failed with 2400 baud, next try: 9600 baud
ttyS1<*1>: ATQ0 V1 E1 -- failed with 9600 baud, next try: 115200 baud
ttyS1<*1>: ATQ0 V1 E1 -- and failed too at 115200, giving up.
Modem Port Scan<*1>: S2 S3 S4 S5 S6 S7 S8 S9
Modem Port Scan<*1>: S10 S11 S12 S13 S14 S15 S16 S17
Modem Port Scan<*1>: S18 S19 S20 S21 S22 S23 S24 S25
Modem Port Scan<*1>: S26 S27 S28 S29 S30 S31 S32 S33
Modem Port Scan<*1>: S34 S35 S36 S37 S38 S39 S40 S41
Modem Port Scan<*1>: S42 S43 S44 S45 S46 S47
WvModem<*1>: Cannot get information for serial port.

The process sits there and eats up CPU untill I kill the process... This is the output of "ps -ef"
root 8490 8227 87 13:03 pts/1 00:23:41 wvdialconf /etc/wvdial.conf