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- 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/pci0000:00/0000:00:1e.0/0000:05:00.0/0000:06:00.0/usb7/7-1/7-1:1.0/ttyUSB0/tty/ttyUSB0':
- KERNEL=="ttyUSB0"
- SUBSYSTEM=="tty"
- DRIVER==""
- looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:05:00.0/0000:06:00.0/usb7/7-1/7-1:1.0/ttyUSB0':
- KERNELS=="ttyUSB0"
- SUBSYSTEMS=="usb-serial"
- DRIVERS=="option1"
- ATTRS{port_number}=="0"
- looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:05:00.0/0000:06:00.0/usb7/7-1/7-1:1.0':
- KERNELS=="7-1:1.0"
- SUBSYSTEMS=="usb"
- DRIVERS=="option"
- ATTRS{bInterfaceNumber}=="00"
- ATTRS{bAlternateSetting}==" 0"
- ATTRS{bNumEndpoints}=="03"
- ATTRS{bInterfaceClass}=="ff"
- ATTRS{bInterfaceSubClass}=="ff"
- ATTRS{bInterfaceProtocol}=="ff"
- ATTRS{modalias}=="usb:v0AF0p7001d0000dcFFdscFFdpFFicFFiscFFipFF"
- ATTRS{supports_autosuspend}=="0"
- ATTRS{interface}=="Data Interface"
- looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:05:00.0/0000:06:00.0/usb7/7-1':
- KERNELS=="7-1"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}==""
- ATTRS{bNumInterfaces}==" 3"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="80"
- ATTRS{bMaxPower}=="500mA"
- ATTRS{urbnum}=="121"
- ATTRS{idVendor}=="0af0"
- ATTRS{idProduct}=="7001"
- ATTRS{bcdDevice}=="0000"
- ATTRS{bDeviceClass}=="ff"
- ATTRS{bDeviceSubClass}=="ff"
- ATTRS{bDeviceProtocol}=="ff"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="12"
- ATTRS{busnum}=="7"
- ATTRS{devnum}=="2"
- ATTRS{version}==" 1.10"
- ATTRS{maxchild}=="0"
- ATTRS{quirks}=="0x0"
- ATTRS{authorized}=="1"
- ATTRS{manufacturer}=="Option N.V."
- ATTRS{product}=="Globetrotter HSUPA Modem "
- ATTRS{serial}=="Serial Number"
- looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:05:00.0/0000:06:00.0/usb7':
- KERNELS=="usb7"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}==""
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="e0"
- ATTRS{bMaxPower}==" 0mA"
- ATTRS{urbnum}=="36"
- ATTRS{idVendor}=="1d6b"
- ATTRS{idProduct}=="0001"
- ATTRS{bcdDevice}=="0206"
- ATTRS{bDeviceClass}=="09"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="00"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="12"
- ATTRS{busnum}=="7"
- ATTRS{devnum}=="1"
- ATTRS{version}==" 1.10"
- ATTRS{maxchild}=="2"
- ATTRS{quirks}=="0x0"
- ATTRS{authorized}=="1"
- ATTRS{manufacturer}=="Linux 2.6.28-11-generic ohci_hcd"
- ATTRS{product}=="OHCI Host Controller"
- ATTRS{serial}=="0000:06:00.0"
- ATTRS{authorized_default}=="1"
- looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:05:00.0/0000:06:00.0':
- KERNELS=="0000:06:00.0"
- SUBSYSTEMS=="pci"
- DRIVERS=="ohci_hcd"
- ATTRS{vendor}=="0x1131"
- ATTRS{device}=="0x1561"
- ATTRS{subsystem_vendor}=="0x1931"
- ATTRS{subsystem_device}=="0x0015"
- ATTRS{class}=="0x0c0310"
- ATTRS{irq}=="16"
- ATTRS{local_cpus}=="ffffffff,ffffffff"
- ATTRS{local_cpulist}=="0-63"
- ATTRS{modalias}=="pci:v00001131d00001561sv00001931sd00000015bc0Csc03i10"
- ATTRS{broken_parity_status}=="0"
- ATTRS{msi_bus}==""
- looking at parent device '/devices/pci0000:00/0000:00:1e.0/0000:05:00.0':
- KERNELS=="0000:05:00.0"
- SUBSYSTEMS=="pci"
- DRIVERS=="yenta_cardbus"
- ATTRS{vendor}=="0x1180"
- ATTRS{device}=="0x0476"
- ATTRS{subsystem_vendor}=="0x17aa"
- ATTRS{subsystem_device}=="0x20c6"
- ATTRS{class}=="0x060700"
- ATTRS{irq}=="16"
- ATTRS{local_cpus}=="ffffffff,ffffffff"
- ATTRS{local_cpulist}=="0-63"
- ATTRS{modalias}=="pci:v00001180d00000476sv000017AAsd000020C6bc06sc07i00"
- ATTRS{broken_parity_status}=="0"
- ATTRS{msi_bus}=="1"
- looking at parent device '/devices/pci0000:00/0000:00:1e.0':
- KERNELS=="0000:00:1e.0"
- SUBSYSTEMS=="pci"
- DRIVERS==""
- ATTRS{vendor}=="0x8086"
- ATTRS{device}=="0x2448"
- ATTRS{subsystem_vendor}=="0x0000"
- ATTRS{subsystem_device}=="0x0000"
- ATTRS{class}=="0x060401"
- ATTRS{irq}=="0"
- ATTRS{local_cpus}=="ffffffff,ffffffff"
- ATTRS{local_cpulist}=="0-63"
- ATTRS{modalias}=="pci:v00008086d00002448sv00000000sd00000000bc06sc04i01"
- ATTRS{broken_parity_status}=="0"
- ATTRS{msi_bus}=="1"
- looking at parent device '/devices/pci0000:00':
- KERNELS=="pci0000:00"
- SUBSYSTEMS==""
- DRIVERS==""
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