From mboxrd@z Thu Jan  1 00:00:00 1970
From: sean <seandarcy2@gmail.com>
Date: Sun, 09 Jul 2006 23:35:13 +0000
Subject: something changed in 2.6.18-rc1??
Message-Id: <e8s3ri$iua$1@sea.gmane.org>
List-Id: <linux-hotplug.vger.kernel.org>
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To: linux-hotplug@vger.kernel.org

Trying to setup a usb printer, but ( from "Writing udev rules"):

  udevinfo -a -p $(udevinfo -q path -n /dev/usb/lp0)
......................................
   looking at device 
'/devices/pci0000:00/0000:00:02.2/usb3/3-5/3-5:1.1/lp0':
     KERNEL="lp0"
     SUBSYSTEM="usb"
     SYSFS{dev}="180:0"

   looking at parent device 
'/devices/pci0000:00/0000:00:02.2/usb3/3-5/3-5:1.1':
     ID="3-5:1.1"
     BUS="usb"
     DRIVER="usblp" 
SYSFS{ieee1284_id}="MFG:EPSON_CMD:ESCPL2,BDC,D4_MDL:Stylus 
Photo R300_CLS:PRINTER_DES:EPSON Stylus Photo R300_"
     SYSFS{interface}="USB2.0 Printer"
SYSFS{modalias}="usb:v04B8p0803d0100dc00dsc00dp00ic07isc01ip02"
     SYSFS{bInterfaceProtocol}="02"
     SYSFS{bInterfaceSubClass}="01"
     SYSFS{bInterfaceClass}="07"
     SYSFS{bNumEndpoints}="02"
     SYSFS{bAlternateSetting}=" 0"
     SYSFS{bInterfaceNumber}="01"

   looking at parent device 
'/devices/pci0000:00/0000:00:02.2/usb3/3-5':
     ID="3-5"
     BUS="usb"
     DRIVER="usb"
     SYSFS{configuration}="USB2.0 MFP_Hi-Speed_"
     SYSFS{serial}="L17P10401110941270"
     SYSFS{product}="USB2.0 MFP_Hi-Speed_"
     SYSFS{manufacturer}="EPSON"
     SYSFS{maxchild}="0"
     SYSFS{version}=" 2.00"
     SYSFS{devnum}="2"
     SYSFS{speed}="480"
     SYSFS{bMaxPacketSize0}="64"
     SYSFS{bNumConfigurations}="1"
     SYSFS{bDeviceProtocol}="00"
     SYSFS{bDeviceSubClass}="00"
     SYSFS{bDeviceClass}="00"
     SYSFS{bcdDevice}="0100"
     SYSFS{idProduct}="0803"
     SYSFS{idVendor}="04b8"
     SYSFS{bMaxPower}="  2mA"
     SYSFS{bmAttributes}="c0"
     SYSFS{bConfigurationValue}="1"
     SYSFS{bNumInterfaces}=" 2"

   looking at parent device 
'/devices/pci0000:00/0000:00:02.2/usb3':
     ID="usb3"
     BUS="usb"
     DRIVER="usb"
     SYSFS{configuration}=""
     SYSFS{serial}="0000:00:02.2"
     SYSFS{product}="EHCI Host Controller"
     SYSFS{manufacturer}="Linux 2.6.17-1.2358.fc6 ehci_hcd"
     SYSFS{maxchild}="8"
     SYSFS{version}=" 2.00"
     SYSFS{devnum}="1"
     SYSFS{speed}="480"
     SYSFS{bMaxPacketSize0}="64"
     SYSFS{bNumConfigurations}="1"
     SYSFS{bDeviceProtocol}="01"
     SYSFS{bDeviceSubClass}="00"
     SYSFS{bDeviceClass}="09"
     SYSFS{bcdDevice}="0206"
     SYSFS{idProduct}="0000"
     SYSFS{idVendor}="0000"
     SYSFS{bMaxPower}="  0mA"
     SYSFS{bmAttributes}="e0"
     SYSFS{bConfigurationValue}="1"
     SYSFS{bNumInterfaces}=" 1"

   looking at parent device '/devices/pci0000:00/0000:00:02.2':
     ID="0000:00:02.2"
     BUS="pci"
     DRIVER="ehci_hcd"
     SYSFS{broken_parity_status}="0"
     SYSFS{enable}="1"
 
SYSFS{modalias}="pci:v000010DEd000000E8sv00001458sd00005004bc0Csc03i20"
 
SYSFS{local_cpus}="00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001"
     SYSFS{irq}="177"
     SYSFS{class}="0x0c0320"
     SYSFS{subsystem_device}="0x5004"
     SYSFS{subsystem_vendor}="0x1458"
     SYSFS{device}="0x00e8"
     SYSFS{vendor}="0x10de"

   looking at parent device '/devices/pci0000:00':
     ID="pci0000:00"
     BUS=""
     DRIVER=""

Based on that I tried this rule in 
/etc/udev/rules.d/15-local.rules, based on the ieee1284_id 
since it was the most specific attribute I could find:

BUS="usb", 
SYSFS{ieee1284_id}="MFG:EPSON_CMD:ESCPL2,BDC,D4_MDL:Stylus 
Photo R300_CLS:PRINTER_DES:EPSON Stylus Photo R300_", 
SYMLINK+="epson-R300"

/dev/epson-R300 is not created. /dev/usb/lp0 does exist.

FWIW,

BUS="usb", KERNEL="lp0", SYMLINK+="epson_R300"
SUBSYSTEM="usb", KERNEL="lp0", SYMLINK+="epson_R300

both worked, but are too generic.


puzzled.

sean



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