Public bug reported:
I have a multi-function USB device with a serial port, a parallel port
and two USB ports. A dialup modem is connected to the serial port, which
is given the name /dev/ttyUSB0.
I have configured GnomePPP to dial using /dev/ttyUSB0. GnomePPP dials
correctly, and passes some data. However, after a few seconds, it stops
receiving data from the modem. If I try to browse to a web site, I can
see data being sent (the Tx bytes increases), but no data is received
(Rx bytes stops at about 1K).
If I connect a different serial device to the serial port, then it works
correctly for as long as I have needed: up to 30 minutes. The problem
seems to be when handing over from wvdial to pppd.
The serial port seems to be a FTDI device -- see output from lsusb
below.
Edgy 2.6.17-11-generic, updated recently
viper:~$ lsusb
Bus 005 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 004 Device 009: ID 0403:6001 Future Technology Devices International, Ltd
8-bit FIFO <-- this is the serial port
Bus 004 Device 003: ID 413c:8103 Dell Computer Corp. Wireless 350 Bluetooth
Bus 004 Device 007: ID 067b:2305 Prolific Technology, Inc. PL2305 Parallel Port
Bus 004 Device 002: ID 03eb:3301 Atmel Corp. at43301 4-port Hub
Bus 004 Device 004: ID 04fc:0005 Sunplus Technology Co., Ltd
Bus 004 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
viper:~$
Would any other logs be useful?
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
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Internet connection via dialup modem connected to PL2303 USB serial port fails
after dialling
https://bugs.launchpad.net/bugs/107216
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