查询到如下
sudo udevadm info -a /dev/usb/lp0
Udevadm info starts with the device specified by the devpath and then
walks up the chain of parent devices. It prints for every device
found, all possible attributes in the udev rules key format.
A rule to match, can be composed by the attributes of the device
and the attributes from one single parent device.
looking at device '/devices/pci0000:00/0000:00:15.0/usb1/1-8/1-8:1.0/usbmisc/lp0':
KERNEL=="lp0"
SUBSYSTEM=="usbmisc"
DRIVER==""
looking at parent device '/devices/pci0000:00/0000:00:15.0/usb1/1-8/1-8:1.0':
KERNELS=="1-8:1.0"
SUBSYSTEMS=="usb"
DRIVERS=="usblp"
ATTRS{bAlternateSetting}==" 0"
ATTRS{ieee1284_id}=="MFG:Hewlett-Packard;MDL:HP LaserJet 1020;CMD:ACL;CLS:PRINTER;DES:HP LaserJet 1020;"
ATTRS{authorized}=="1"
ATTRS{bInterfaceSubClass}=="01"
ATTRS{bInterfaceNumber}=="00"
ATTRS{bInterfaceProtocol}=="02"
ATTRS{bInterfaceClass}=="07"
ATTRS{bNumEndpoints}=="02"
ATTRS{supports_autosuspend}=="1"
looking at parent device '/devices/pci0000:00/0000:00:15.0/usb1/1-8':
KERNELS=="1-8"
SUBSYSTEMS=="usb"
DRIVERS=="usb"
ATTRS{configuration}==""
ATTRS{bMaxPacketSize0}=="64"
ATTRS{bDeviceClass}=="00"
ATTRS{bcdDevice}=="0100"
ATTRS{bNumInterfaces}==" 1"
ATTRS{bConfigurationValue}=="1"
ATTRS{manufacturer}=="Hewlett-Packard"
ATTRS{bNumConfigurations}=="1"
ATTRS{authorized}=="1"
ATTRS{speed}=="480"
ATTRS{idProduct}=="2b17"
ATTRS{urbnum}=="10"
ATTRS{devnum}=="35"
ATTRS{product}=="HP LaserJet 1020"
ATTRS{maxchild}=="0"
ATTRS{bmAttributes}=="c0"
ATTRS{bDeviceSubClass}=="00"
ATTRS{bMaxPower}=="98mA"
ATTRS{rx_lanes}=="1"
ATTRS{removable}=="removable"
ATTRS{idVendor}=="03f0"
ATTRS{version}==" 2.00"
ATTRS{avoid_reset_quirk}=="0"
ATTRS{serial}=="FN2D9WM"
ATTRS{bDeviceProtocol}=="00"
ATTRS{tx_lanes}=="1"
ATTRS{ltm_capable}=="no"
ATTRS{devpath}=="8"
ATTRS{busnum}=="1"
ATTRS{quirks}=="0x0"
依据上面的特征查找:
/etc/udev/rules.d/hp1020.rules 改动如下
# hp 1020
KERNELS=="1-8", SUBSYSTEMS=="usb", ATTRS{idProduct}=="2b17", ATTRS{idVendor}=="03f0", RUN+="/etc/hp1020.sh"
udevadm control --reload-rules
经测试,依然不行。