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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/pci0000:00/0000:00:10.3/usb1/1-1/1-1:1.0/host5/target5:0:0/5:0:0:0/block/sdb':
- KERNEL=="sdb"
- SUBSYSTEM=="block"
- DRIVER==""
- ATTR{range}=="16"
- ATTR{ext_range}=="256"
- ATTR{removable}=="0"
- ATTR{ro}=="0"
- ATTR{size}=="156301488"
- ATTR{alignment_offset}=="0"
- ATTR{capability}=="52"
- ATTR{stat}==" 1844 58 40690 12984 448 62 13058 48144 0 12920 61128"
- ATTR{inflight}==" 0 0"
- looking at parent device '/devices/pci0000:00/0000:00:10.3/usb1/1-1/1-1:1.0/host5/target5:0:0/5:0:0:0':
- KERNELS=="5:0:0:0"
- SUBSYSTEMS=="scsi"
- DRIVERS=="sd"
- ATTRS{device_blocked}=="0"
- ATTRS{type}=="0"
- ATTRS{scsi_level}=="3"
- ATTRS{vendor}=="FUJITSU "
- ATTRS{model}=="MHT2080AT "
- ATTRS{rev}==" "
- ATTRS{state}=="running"
- ATTRS{timeout}=="30"
- ATTRS{iocounterbits}=="32"
- ATTRS{iorequest_cnt}=="0x905"
- ATTRS{iodone_cnt}=="0x905"
- ATTRS{ioerr_cnt}=="0x0"
- ATTRS{modalias}=="scsi:t-0x00"
- ATTRS{evt_media_change}=="0"
- ATTRS{queue_depth}=="1"
- ATTRS{queue_type}=="none"
- ATTRS{max_sectors}=="240"
- looking at parent device '/devices/pci0000:00/0000:00:10.3/usb1/1-1/1-1:1.0/host5/target5:0:0':
- KERNELS=="target5:0:0"
- SUBSYSTEMS=="scsi"
- DRIVERS==""
- looking at parent device '/devices/pci0000:00/0000:00:10.3/usb1/1-1/1-1:1.0/host5':
- KERNELS=="host5"
- SUBSYSTEMS=="scsi"
- DRIVERS==""
- looking at parent device '/devices/pci0000:00/0000:00:10.3/usb1/1-1/1-1:1.0':
- KERNELS=="1-1:1.0"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb-storage"
- ATTRS{bInterfaceNumber}=="00"
- ATTRS{bAlternateSetting}==" 0"
- ATTRS{bNumEndpoints}=="02"
- ATTRS{bInterfaceClass}=="08"
- ATTRS{bInterfaceSubClass}=="06"
- ATTRS{bInterfaceProtocol}=="50"
- ATTRS{modalias}=="usb:v152Dp2338d0100dc00dsc00dp00ic08isc06ip50"
- ATTRS{supports_autosuspend}=="0"
- ATTRS{interface}=="MSC Bulk-Only Transfer"
- looking at parent device '/devices/pci0000:00/0000:00:10.3/usb1/1-1':
- KERNELS=="1-1"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}=="USB Mass Storage"
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="c0"
- ATTRS{bMaxPower}==" 2mA"
- ATTRS{urbnum}=="9049"
- ATTRS{idVendor}=="152d"
- ATTRS{idProduct}=="2338"
- ATTRS{bcdDevice}=="0100"
- ATTRS{bDeviceClass}=="00"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="00"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="480"
- ATTRS{busnum}=="1"
- ATTRS{devnum}=="3"
- ATTRS{version}==" 2.00"
- ATTRS{maxchild}=="0"
- ATTRS{quirks}=="0x0"
- ATTRS{authorized}=="1"
- ATTRS{manufacturer}=="JMicron"
- ATTRS{product}=="USB to ATA/ATAPI bridge"
- ATTRS{serial}=="43527242080A"
- looking at parent device '/devices/pci0000:00/0000:00:10.3/usb1':
- KERNELS=="usb1"
- SUBSYSTEMS=="usb"
- DRIVERS=="usb"
- ATTRS{configuration}==""
- ATTRS{bNumInterfaces}==" 1"
- ATTRS{bConfigurationValue}=="1"
- ATTRS{bmAttributes}=="e0"
- ATTRS{bMaxPower}==" 0mA"
- ATTRS{urbnum}=="62"
- ATTRS{idVendor}=="1d6b"
- ATTRS{idProduct}=="0002"
- ATTRS{bcdDevice}=="0206"
- ATTRS{bDeviceClass}=="09"
- ATTRS{bDeviceSubClass}=="00"
- ATTRS{bDeviceProtocol}=="00"
- ATTRS{bNumConfigurations}=="1"
- ATTRS{bMaxPacketSize0}=="64"
- ATTRS{speed}=="480"
- ATTRS{busnum}=="1"
- ATTRS{devnum}=="1"
- ATTRS{version}==" 2.00"
- ATTRS{maxchild}=="6"
- ATTRS{quirks}=="0x0"
- ATTRS{authorized}=="1"
- ATTRS{manufacturer}=="Linux 2.6.32-5-686 ehci_hcd"
- ATTRS{product}=="EHCI Host Controller"
- ATTRS{serial}=="0000:00:10.3"
- ATTRS{authorized_default}=="1"
- looking at parent device '/devices/pci0000:00/0000:00:10.3':
- KERNELS=="0000:00:10.3"
- SUBSYSTEMS=="pci"
- DRIVERS=="ehci_hcd"
- ATTRS{vendor}=="0x1106"
- ATTRS{device}=="0x3104"
- ATTRS{subsystem_vendor}=="0x1458"
- ATTRS{subsystem_device}=="0x5004"
- ATTRS{class}=="0x0c0320"
- ATTRS{irq}=="21"
- ATTRS{local_cpus}=="ffffffff"
- ATTRS{local_cpulist}=="0-31"
- ATTRS{modalias}=="pci:v00001106d00003104sv00001458sd00005004bc0Csc03i20"
- ATTRS{enable}=="1"
- ATTRS{broken_parity_status}=="0"
- ATTRS{msi_bus}==""
- ATTRS{companion}==""
- looking at parent device '/devices/pci0000:00':
- KERNELS=="pci0000:00"
- SUBSYSTEMS==""
- DRIVERS==""
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