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USB storage working fine but not USB2Serial... please help.

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hatzik
DD-WRT Novice

Joined: 05 Jul 2006
Posts: 2

Posted: Wed Jul 05, 2006 5:37 pm Post subject: USB storage working fine but not USB2Serial... please help.

Hi,

I own an Asus 500g Deluxe which i flashed with the DD-WRT v23 SP1 mini firmware

I Installed the following .ipkg's:
kmod-usb-uhci
kmod-usb-core
kmod-usb2
kmod-usb-storage
kmod-vfat
kmod-ext2
kmod-ext3
kmod-usb-serial-pl2303
kmod-usb-serial
kmod-usb-serial-mct-u232
libusb

and the I grouped the usb activation commands into the conf file: : /jffs/etc/config/usb.startup :

Code:

#!/bin/sh
insmod /jffs/lib/modules/2.4.30/usbcore.o
insmod /jffs/lib/modules/2.4.30/ehci-hcd.o
insmod /jffs/lib/modules/2.4.30/usbserial.o
insmod /jffs/lib/modules/2.4.30/scsi_mod.o
insmod /jffs/lib/modules/2.4.30/usb-storage.o
# remove the dash (#) from the line below if you use USB 1.1
#insmod /jffs/lib/modules/2.4.30/uhci.o
insmod /jffs/lib/modules/2.4.30/sd_mod.o

# FAT
insmod /jffs/lib/modules/2.4.30/fat.o
insmod /jffs/lib/modules/2.4.30/vfat.o
insmod /jffs/lib/modules/2.4.30/usbserial.o
insmod /jffs/lib/modules/2.4.30/mct_u232.o

All the required (above) modules have been loaded successfully.
I then have successfully enabled a USB-stick and mounted it as a filesystem (partition1).

My next attempt was to activate a UC-232a USB-to-serial device.

However, when running insmod on the usbserial.o and mct_u232.o modules, I get the following errors:

Code:

Using /jffs/lib/modules/2.4.30/usbserial.o
insmod: unresolved symbol tty_ldisc_ref
insmod: unresolved symbol tty_ldisc_deref
Using /jffs/lib/modules/2.4.30/mct_u232.o
insmod: unresolved symbol usb_serial_deregister
insmod: unresolved symbol usb_serial_register

here is the lsmod:

Code:

Module Size Used by
vfat 11692 0 (unused)
fat 36840 0 [vfat]
sd_mod 12452 0 (unused)
usb-storage 65328 0 (unused)
scsi_mod 70488 2 [sd_mod usb-storage]
ehci-hcd 20204 0 (unused)
usbcore 74792 0 [usb-storage ehci-hcd]
ip_nat_pptp 2364 0 (unused)
ip_conntrack_pptp 2956 1
ip_nat_proto_gre 1648 0 (unused)
ip_conntrack_proto_gre 2520 0 [ip_nat_pptp ip_conntrack_pptp]
jffs2 182580 1
crc32 3216 0 [jffs2]
wl 423640 0 (unused)
diag 2704 0 (unused)
switch-robo 5516 0 (unused)
switch-core 6480 0 [switch-robo]

I hope someone can help Confused

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madman
DD-WRT User

Joined: 07 Jun 2006
Posts: 228
Location: Germany

Posted: Wed Jul 05, 2006 8:42 pm Post subject:
what kind of adapter do you have? my adapter is using pl2303 drivers..... My adapter works fine (self compiled image) -Madman

hatzik
DD-WRT Novice

Joined: 05 Jul 2006
Posts: 2

Posted: Wed Jul 05, 2006 9:20 pm Post subject:

Hi madman,
I am trying to install a UC-232a usb to serial adapter.
I saw that kmode-usb-serial installs the mct_u232.o module for this one but there is also kmod-usb-serial-mct-u232 that is specific for this one. My problem starts before the adapter because I can't even start "usbserial.o" (I get the message I wrote on my original post) and I dont know what "tty_ldisc" might be, or why I am geting this message. Sad

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