[cups-devel] [UNKN] STR #4639: backend usb not recognized , parallel can find

Sun May 31 17:38:07 PDT 2015

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[STR New]

We are trying to connect a Xerox Phaser 6140 via usb to our Epson R230,When
I try to add a new printer that is connected via USB cable, the "Add
Printer"  shows   "Local Printers:EPSON Stylus Photo R230 LPT #1 (EPSON
Stylus Photo R230)" for parallel connection,but it does not work,I remove
nod usblp or chgrp lp for /dev/bus/1/* ,it still not work.
Im working in Linux3.5.0
what's wrong?I am Crazyã€‚
[root at FriendlyARM mime]# lsmod
usblp 10612 0 - Live 0xbf248000
libertas_sdio 8709 0 - Live 0xbf242000 (O)
libertas 55256 1 libertas_sdio, Live 0xbf22f000 (O)
zd1211rw 45782 0 - Live 0xbf21e000 (O)
rt2800usb 12422 0 - Live 0xbf216000 (O)
rt2800lib 47581 1 rt2800usb, Live 0xbf207000 (O)
rt73usb 20262 0 - Live 0xbf1ff000 (O)
rt2x00usb 7569 2 rt2800usb,rt73usb, Live 0xbf1fa000 (O)
rt2x00lib 30882 4 rt2800usb,rt2800lib,rt73usb,rt2x00usb, Live 0xbf1ee000
(O)
ath9k_htc 49200 0 - Live 0xbf1dc000 (O)
mac80211 404196 5 zd1211rw,rt2800lib,rt2x00usb,rt2x00lib,ath9k_htc, Live
0xbf16b000 (O)
ath9k_common 1579 1 ath9k_htc, Live 0xbf167000 (O)
ath9k_hw 352144 2 ath9k_htc,ath9k_common, Live 0xbf10b000 (O)
ath 13618 3 ath9k_htc,ath9k_common,ath9k_hw, Live 0xbf104000 (O)
cfg80211 365655 6 libertas,zd1211rw,rt2x00lib,ath9k_htc,mac80211,ath, Live
0xbf09d000 (O)
compat 7095 10
libertas_sdio,libertas,zd1211rw,rt2800usb,rt73usb,ath9k_htc,mac80211,ath9k_common,ath9k_hw,cfg80211,
Live 0xbf098000 (O)
rtl8192cu 506243 0 - Live 0xbf00d000 (O)
snd_soc_tiny4412_wm8960 4349 0 - Live 0xbf008000
snd_soc_wm8960 17089 1 - Live 0xbf000000

[root at FriendlyARM /]# ldd /opt/local/cups2.0.2/lib/cups/backend/usb
        libusb-1.0.so.0 => /usr/lib/libusb-1.0.so.0 (0xb6f44000)
        libcups.so.2 => /opt/local/cups2.0.2/lib/libcups.so.2 (0xb6ee4000)
        libavahi-common.so.3 => /usr/lib/libavahi-common.so.3 (0xb6ed0000)
        libavahi-client.so.3 => /usr/lib/libavahi-client.so.3 (0xb6eb9000)
        libz.so.1 => /usr/lib/libz.so.1 (0xb6e9b000)
        libpthread.so.0 => /lib/libpthread.so.0 (0xb6e7b000)
        libm.so.6 => /lib/libm.so.6 (0xb6e09000)
        libcrypt.so.1 => /lib/libcrypt.so.1 (0xb6dd2000)
        libc.so.6 => /lib/libc.so.6 (0xb6ca1000)
        /lib/ld-linux.so.3 (0xb6f59000)
        librt.so.1 => /lib/librt.so.1 (0xb6c92000)
        libssp.so.0 => /usr/lib/libssp.so.0 (0xb6c87000)
        libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb6c74000)
        libdbus-1.so.3 => /usr/lib/libdbus-1.so.3 (0xb6c32000)
        libdl.so.2 => /lib/libdl.so.2 (0xb6c27000)
[root at FriendlyARM /]# usb
DEBUG: Loading USB quirks from "/opt/local/cups2.0.2/share/cups/usb".
DEBUG: Loaded 72 quirks.
DEBUG: list_devices
DEBUG: libusb_get_device_list=8

[root at FriendlyARM /]# ldd /bin/lsusb
        libusb-0.1.so.4 => /lib/libusb-0.1.so.4 (0xb6fca000)
        libc.so.6 => /lib/libc.so.6 (0xb6e99000)
        /lib/ld-linux.so.3 (0xb6fda000)
[root at FriendlyARM /]# lsusb
Bus 2 Device 1: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 1 Device 7: ID 04b8:0005 Seiko Epson Corp. Stylus D88+
Bus 1 Device 6: ID 0bda:8176 Realtek Semiconductor Corp.
Bus 1 Device 5: ID 1a40:0101 TERMINUS TECHNOLOGY INC.
Bus 1 Device 1: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 1 Device 2: ID 0424:2640 Standard Microsystems Corp.
Bus 1 Device 4: ID 0a46:9621 Davicom Semiconductor, Inc.
Bus 1 Device 3: ID 0424:4040 Standard Microsystems Corp.

[root at FriendlyARM /]# ls -l /dev/bus/usb/*/*
crw-r--r--    1 root     root      189,   0 Jun  1  2015 /dev/bus/usb/1/1
crw-r--r--    1 root     root      189,   1 Jun  1  2015 /dev/bus/usb/1/2
crw-r--r--    1 root     root      189,   2 Jun  1  2015 /dev/bus/usb/1/3
crw-r--r--    1 root     root      189,   3 Jun  1  2015 /dev/bus/usb/1/4
crw-rw-rw-    1 root     root      189,   4 Jun  1 06:27 /dev/bus/usb/1/5
crw-rw-rw-    1 root     root      189,   5 Jun  1 06:27 /dev/bus/usb/1/6
crw-rw-rw-    1 root     root      189,   6 Jun  1 06:27 /dev/bus/usb/1/7
crw-r--r--    1 root     root      189, 128 Jun  1  2015 /dev/bus/usb/2/1

[root at FriendlyARM /]# lpinfo -v
network ipp
network http
direct parallel:/dev/lp0
network lpd
network socket

[root at FriendlyARM /]# ls -l /dev/usb/lp0
crw-rw-rw-    1 root     lp        180,   0 Jun  1 06:49 /dev/usb/lp0

[root at FriendlyARM /]# usb_printerid /dev/usb/lp0
GET_DEVICE_ID string:
MFG:EPSON;CMD:ESCPL2,BDC,D4;MDL:Stylus Photo R230;CLS:PRINTER;DES:EPSON
Stylus Photo R230;

Link: https://www.cups.org/str.php?L4639
Version: 2.0.2
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