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Old 07-02-2008, 10:39 AM   #1
kpark
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Registered: Jun 2008
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Problem with USB to serial adaptor. Firewall or driver?


I am trying to switch from Vista to Linux (Kubuntu 7.04.) and have managed to set up a working dual boot system. But the learning curve is surprisingly steep, and so internet access between Linux and the web is imperative.

I live in a rural area with no options but dial-up access. My computer (Fairly new Intel Pentium 4)
came equipped with an internal winmodem.
Even a Newbie like myself knows that will not work with Linux. So I purchased a cheap external modem
(Amigo Conexant v.92 RS232 analog) before discovering that modern computers have replaced serial ports with USB devices.

To get around that snafu I ordered a
'serial to USB adaptor' cable.
(Sabrent USB2serial)
It came with a disk containing several variations of PL2303 drivers.
I downloaded them from disk to hard drive, but have no idea where or how to install them.

Now to the crux of the problem: Kubuntu will make the connection to my ISP via the modem. But when I try to load a page, this message comes up:
"Error while loading, could not connect to the host"

Reading Linuxquestions.org, gave me the impression that an 'omesg' printout might be helpful in accessing my situation so here’s the part that seems relevant:

[ 16.557144] usbcore: registered new interface driver usbserial
[ 16.557174] drivers/usb/serial/usb-serial.c: USB Serial support registered for generic
[ 16.581798] 8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
[ 16.704188] usbcore: registered new interface driver usbserial_generic
[ 16.704196] drivers/usb/serial/usb-serial.c: USB Serial Driver core
[ 16.722884] drivers/usb/serial/usb-serial.c: USB Serial support registered for pl2303
[ 16.722953] pl2303 4-2:1.0: pl2303 converter detected
[ 16.723361] usb 4-2: pl2303 converter now attached to ttyUSB0
[ 16.723375] usbcore: registered new interface driver pl2303
[ 16.723379] drivers/usb/serial/pl2303.c: Prolific PL2303 USB to serial adaptor driver
[ 16.834113] ACPI: PCI Interrupt 0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 18
[ 17.034256] hda_codec: Unknown model for ALC883, trying auto-probe from BIOS...
[ 17.092539] input: ImPS/2 Generic Wheel Mouse as /class/input/input3
[ 19.493568] fuse init (API version 7.8)
[ 19.545245] lp: driver loaded but no devices found
[ 19.574832] Adding 2008084k swap on /dev/disk/by-uuid/b4709857-a49d-4b03-838c-cacf8de2c72a. Priority:-1 extents:1 across:2008084k
[ 19.704443] EXT3 FS on sda2, internal journal
[ 24.869906] input: Power Button (FF) as /class/input/input4
[ 24.869943] ACPI: Power Button (FF) [PWRF]
[ 24.870031] input: Power Button (CM) as /class/input/input5
[ 24.870062] ACPI: Power Button (CM) [PWRB]
[ 25.025345] ibm_acpi: ec object not found
[ 25.180680] No dock devices found.
[ 25.223197] Using specific hotkey driver
[ 25.310119] pcc_acpi: loading...
[ 28.529547] ppdev: user-space parallel port driver
[ 29.087965] apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
[ 29.087974] apm: disabled - APM is not SMP safe.
[ 29.600282] Bluetooth: Core ver 2.11
[ 29.600395] NET: Registered protocol family 31
[ 29.600398] Bluetooth: HCI device and connection manager initialized
[ 29.600403] Bluetooth: HCI socket layer initialized
[ 29.618845] Bluetooth: L2CAP ver 2.8
[ 29.618851] Bluetooth: L2CAP socket layer initialized
[ 29.986280] Bluetooth: RFCOMM socket layer initialized
[ 29.986298] Bluetooth: RFCOMM TTY layer initialized
[ 29.986301] Bluetooth: RFCOMM ver 1.8
[ 53.314208] hda-intel: Invalid position buffer, using LPIB read method instead.
[ 58.237571] NET: Registered protocol family 10
[ 58.237699] lo: Disabled Privacy Extensions
[ 58.237776] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 62.700352] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 63.018210] ISOFS: changing to secondary root
[ 85.463131] usb 4-2: USB disconnect, address 2
[ 85.463534] pl2303 ttyUSB0: pl2303 converter now disconnected from ttyUSB0
[ 85.463566] pl2303 4-2:1.0: device disconnected
[ 94.481948] usb 4-1: new full speed USB device using ohci_hcd and address 3
[ 94.700994] usb 4-1: configuration #1 chosen from 1 choice
[ 94.702939] pl2303 4-1:1.0: pl2303 converter detected
[ 94.703288] usb 4-1: pl2303 converter now attached to ttyUSB0
[ 338.146285] PPP generic driver version 2.4.2
[ 339.181602] PPP BSD Compression module registered
[ 339.220558] PPP Deflate Compression module registered


I think the trouble is either with drivers or maybe a firewall? (Does Linux have a built-in firewall?)
Some clear and concise instructions on how to manipulate drivers in Linux would be very useful to beginners like myself.

Any helpful information from seasoned users would be much appreciated.
Kpark
 
Old 07-02-2008, 10:52 AM   #2
unSpawn
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Registered: May 2001
Posts: 29,353
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Please post your thread in only one forum. Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. This thread should be closed because it is a duplicate of http://www.linuxquestions.org/questi...driver-653103/.

Next time please notice and use the "edit' button.
 
Old 07-02-2008, 03:59 PM   #3
Tinkster
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Registered: Apr 2002
Location: in a fallen world
Distribution: slackware by choice, others too :} ... android.
Posts: 23,067
Blog Entries: 11

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Please post your thread in only one forum. Posting a single thread in the most relevant forum will make it easier for members to help you and will keep the discussion in one place. This thread is being closed because it is a duplicate.

Closing the original in favour of the dupe with two responses.
http://www.linuxquestions.org/questi...driver-653103/
 
  


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