From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rick Pizzi Date: Tue, 18 Sep 2007 18:16:22 +0000 Subject: Writing udev Rules by Daniel Drake (dsd) Version 0.72 Message-Id: <46F015F6.6030908@xplornet.com> MIME-Version: 1 Content-Type: multipart/mixed; boundary="------------020400040902080107070605" List-Id: To: linux-hotplug@vger.kernel.org This is a multi-part message in MIME format. --------------020400040902080107070605 Content-Type: multipart/alternative; boundary="------------040200060204000409060606" --------------040200060204000409060606 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi, I have been trying to follow subject Daniel Drakes instructions on how to have various devices on my Ubuntu Feisty system mount with persistent names. As an example the attached dmesgSDB file shows my 'U3 Cruzer Micro' as sdb. The udevSDB attached file shows the result of the command: "*sudo udevinfo -a -p $(udevinfo -q path -n /dev/sdb)*". I note there is no *SYSFS *attributes only *ATTRS*. Also there is no place that *BUS="usb" *shows up, only *KERNELS=="4.4"*. I have cobbled up a rule attached as *10-local.rules* which, of course, does not work when I re-boot my computer. The attached file *udevtestSDB* mentions U3 Cruzer Micro so something is trying to work, I guess. Can you help me by explaining what is going on here? Why doesn't udevinfo show information like Daniel's article shows? How do I use the attributes from *usbview*? Usbview shows information such as: Manufacturer: SanDisk Corporation, Product Id:5406 etc. Thanks in advance for your help, Rick P. --------------040200060204000409060606 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi,
I have been trying to follow subject Daniel Drakes instructions on how to have various devices on my Ubuntu Feisty system mount with persistent names. As an example the attached dmesgSDB file shows my 'U3 Cruzer Micro' as sdb. The udevSDB attached file shows the result of the command:
"sudo udevinfo -a -p $(udevinfo -q path -n /dev/sdb)". I note there is no SYSFS attributes only ATTRS. Also there is no place that BUS="usb" shows up, only KERNELS=="4.4". I have cobbled up a rule attached as 10-local.rules which, of course, does not work when I re-boot my computer. The attached file udevtestSDB mentions U3 Cruzer Micro so something is trying to work, I guess.

Can you help me by explaining what is going on here? Why doesn't udevinfo show information like Daniel's article shows? How do I use the attributes from usbview? Usbview shows information such as: Manufacturer: SanDisk Corporation, Product Id:5406 etc.

Thanks in advance for your help,

Rick P.

--------------040200060204000409060606-- --------------020400040902080107070605 Content-Type: text/plain; name="dmesgSDB" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="dmesgSDB" [ 4147.836000] sdb: Write Protect is off [ 4147.836000] sdb: Mode Sense: 03 00 00 00 [ 4147.836000] sdb: assuming drive cache: write through [ 4147.836000] SCSI device sdb: 4001422 512-byte hdwr sectors (2049 MB) [ 4147.836000] sdb: Write Protect is off [ 4147.836000] sdb: Mode Sense: 03 00 00 00 [ 4147.836000] sdb: assuming drive cache: write through [ 4147.836000] sdb: sdb1 [ 4147.840000] sd 3:0:0:0: Attached scsi removable disk sdb [ 4147.840000] sd 3:0:0:0: Attached scsi generic sg2 type 0 --------------020400040902080107070605 Content-Type: text/plain; name="udevSDB" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="udevSDB" Udevinfo 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 '/block/sdb': KERNEL=="sdb" SUBSYSTEM=="block" DRIVER=="" ATTR{stat}==" 327 505 868 260 0 0 0 0 0 228 260" ATTR{size}=="4001422" ATTR{removable}=="1" ATTR{range}=="16" ATTR{dev}=="8:16" looking at parent device '/devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.0/host3/target3:0:0/3:0:0:0': KERNELS=="3:0:0:0" SUBSYSTEMS=="scsi" DRIVERS=="sd" ATTRS{ioerr_cnt}=="0x1" ATTRS{iodone_cnt}=="0x2d6" ATTRS{iorequest_cnt}=="0x2d6" ATTRS{iocounterbits}=="32" ATTRS{timeout}=="30" ATTRS{state}=="running" ATTRS{rev}=="3.27" ATTRS{model}=="U3 Cruzer Micro " ATTRS{vendor}=="SanDisk " ATTRS{scsi_level}=="3" ATTRS{type}=="0" ATTRS{queue_type}=="none" ATTRS{queue_depth}=="1" ATTRS{device_blocked}=="0" ATTRS{max_sectors}=="240" looking at parent device '/devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.0/host3/target3:0:0': KERNELS=="target3:0:0" SUBSYSTEMS=="" DRIVERS=="" looking at parent device '/devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.0/host3': KERNELS=="host3" SUBSYSTEMS=="" DRIVERS=="" looking at parent device '/devices/pci0000:00/0000:00:1d.7/usb4/4-4/4-4:1.0': KERNELS=="4-4:1.0" SUBSYSTEMS=="usb" DRIVERS=="usb-storage" ATTRS{modalias}=="usb:v0781p5406d0010dc00dsc00dp00ic08isc06ip50" ATTRS{bInterfaceProtocol}=="50" ATTRS{bInterfaceSubClass}=="06" ATTRS{bInterfaceClass}=="08" ATTRS{bNumEndpoints}=="02" ATTRS{bAlternateSetting}==" 0" ATTRS{bInterfaceNumber}=="00" looking at parent device '/devices/pci0000:00/0000:00:1d.7/usb4/4-4': KERNELS=="4-4" SUBSYSTEMS=="usb" DRIVERS=="usb" ATTRS{serial}=="0000160EF172FFE1" ATTRS{product}=="U3 Cruzer Micro" ATTRS{manufacturer}=="SanDisk Corporation" ATTRS{maxchild}=="0" ATTRS{version}==" 2.00" ATTRS{devnum}=="5" ATTRS{speed}=="480" ATTRS{bMaxPacketSize0}=="64" ATTRS{bNumConfigurations}=="1" ATTRS{bDeviceProtocol}=="00" ATTRS{bDeviceSubClass}=="00" ATTRS{bDeviceClass}=="00" ATTRS{bcdDevice}=="0010" ATTRS{idProduct}=="5406" ATTRS{idVendor}=="0781" ATTRS{bMaxPower}=="200mA" ATTRS{bmAttributes}=="80" ATTRS{bConfigurationValue}=="1" ATTRS{bNumInterfaces}==" 1" ATTRS{configuration}=="" looking at parent device '/devices/pci0000:00/0000:00:1d.7/usb4': KERNELS=="usb4" SUBSYSTEMS=="usb" DRIVERS=="usb" ATTRS{serial}=="0000:00:1d.7" ATTRS{product}=="EHCI Host Controller" ATTRS{manufacturer}=="Linux 2.6.20-16-generic ehci_hcd" ATTRS{maxchild}=="6" ATTRS{version}==" 2.00" ATTRS{devnum}=="1" ATTRS{speed}=="480" ATTRS{bMaxPacketSize0}=="64" ATTRS{bNumConfigurations}=="1" ATTRS{bDeviceProtocol}=="01" ATTRS{bDeviceSubClass}=="00" ATTRS{bDeviceClass}=="09" ATTRS{bcdDevice}=="0206" ATTRS{idProduct}=="0000" ATTRS{idVendor}=="0000" ATTRS{bMaxPower}==" 0mA" ATTRS{bmAttributes}=="e0" ATTRS{bConfigurationValue}=="1" ATTRS{bNumInterfaces}==" 1" ATTRS{configuration}=="" looking at parent device '/devices/pci0000:00/0000:00:1d.7': KERNELS=="0000:00:1d.7" SUBSYSTEMS=="pci" DRIVERS=="ehci_hcd" ATTRS{msi_bus}=="" ATTRS{broken_parity_status}=="0" ATTRS{enable}=="1" ATTRS{modalias}=="pci:v00008086d000024CDsv00001028sd0000014Ebc0Csc03i20" ATTRS{local_cpus}=="ff" ATTRS{irq}=="11" ATTRS{class}=="0x0c0320" ATTRS{subsystem_device}=="0x014e" ATTRS{subsystem_vendor}=="0x1028" ATTRS{device}=="0x24cd" ATTRS{vendor}=="0x8086" looking at parent device '/devices/pci0000:00': KERNELS=="pci0000:00" SUBSYSTEMS=="" DRIVERS=="" --------------020400040902080107070605 Content-Type: text/plain; name="10-local.rules" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="10-local.rules" ##BUS=="usb", ATTRS{serial}=="DEF1031F4402", ATTRS{manufacturer}=="Cypress Semiconductor", NAME{all-partitions}=="IOGEAR" KERNELS=="4-4",ATTRS{product}=="U3 Cruzer Micro", ATTRS{manufacturer}=="SanDisk Corporation", SYMLINK+="MICRO2GB" --------------020400040902080107070605 Content-Type: text/plain; name="udevtestSDB" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="udevtestSDB" parse_file: reading '/etc/udev/rules.d/00-init.rules' as rules file parse_file: reading '/etc/udev/rules.d/05-options.rules' as rules file parse_file: reading '/etc/udev/rules.d/10-local.rules' as rules file parse_file: reading '/etc/udev/rules.d/20-names.rules' as rules file parse_file: reading '/etc/udev/rules.d/25-dmsetup.rules' as rules file parse_file: reading '/etc/udev/rules.d/25-iftab.rules' as rules file parse_file: reading '/etc/udev/rules.d/30-cdrom_id.rules' as rules file parse_file: reading '/etc/udev/rules.d/40-permissions.rules' as rules file parse_file: reading '/etc/udev/rules.d/45-hplip.rules' as rules file parse_file: reading '/etc/udev/rules.d/45-libgphoto2.rules' as rules file parse_file: reading '/etc/udev/rules.d/45-libsane.rules' as rules file parse_file: reading '/etc/udev/rules.d/50-xserver-xorg-input-wacom.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-libpisock.rules' as rules file parse_file: reading '/etc/udev/rules.d/60-symlinks.rules' as rules file parse_file: reading '/etc/udev/rules.d/65-persistent-input.rules' as rules file parse_file: reading '/etc/udev/rules.d/65-persistent-storage.rules' as rules file parse_file: reading '/etc/udev/rules.d/80-programs.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-alsa.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-brltty.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-hdparm.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-hplj10xx.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-hwclock.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-ifupdown.rules' as rules file parse_file: reading '/etc/udev/rules.d/85-pcmcia.rules' as rules file parse_file: reading '/etc/udev/rules.d/90-modprobe.rules' as rules file parse_file: reading '/etc/udev/rules.d/95-hal.rules' as rules file parse_file: reading '/etc/udev/rules.d/99-udevmonitor.rules' as rules file This program is for debugging only, it does not run any program, specified by a RUN key. It may show incorrect results, if rules match against subsystem specfic kernel event variables. main: looking at device '/block/sdb' from subsystem 'block' udev_rules_get_name: add symlink 'MICRO2GB' run_program: 'usb_id -x' run_program: '/lib/udev/usb_id' (stdout) 'ID_VENDOR=SanDisk' run_program: '/lib/udev/usb_id' (stdout) 'ID_MODEL=U3_Cruzer_Micro' run_program: '/lib/udev/usb_id' (stdout) 'ID_REVISION=3.27' run_program: '/lib/udev/usb_id' (stdout) 'ID_SERIAL=SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' run_program: '/lib/udev/usb_id' (stdout) 'ID_SERIAL_SHORT=0000160EF172FFE1' run_program: '/lib/udev/usb_id' (stdout) 'ID_TYPE=disk' run_program: '/lib/udev/usb_id' (stdout) 'ID_INSTANCE=0:0' run_program: '/lib/udev/usb_id' (stdout) 'ID_BUS=usb' run_program: '/lib/udev/usb_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-id/usb-SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' run_program: 'path_id /block/sdb' run_program: '/lib/udev/path_id' (stdout) 'ID_PATH=pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' run_program: '/lib/udev/path_id' returned with status 0 udev_rules_get_name: add symlink 'disk/by-path/pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' udev_rules_get_name: no node name set, will use kernel name 'sdb' udev_device_event: device '/block/sdb' already in database, cleanup udev_node_add: creating device node '/dev/sdb', major = '8', minor = '16', mode = '0660', uid = '0', gid = '46' udev_node_update_symlinks: update symlink 'MICRO2GB' of '/block/sdb' udev_db_get_devices_by_name: no index directory '/dev/.udev/names/MICRO2GB': No such file or directory update_link: found -1 devices with name 'MICRO2GB' update_link: no reference left, remove 'MICRO2GB' udev_node_update_symlinks: update symlink 'disk/by-id/usb-SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' of '/block/sdb' udev_db_get_devices_by_name: found index directory '/dev/.udev/names/disk%2fby-id%2fusb-SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' update_link: found 1 devices with name 'disk/by-id/usb-SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' update_link: found '/block/sdb' for 'disk/by-id/usb-SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' update_link: compare (our own) priority of '/block/sdb' 0 >= 0 update_link: 'disk/by-id/usb-SanDisk_U3_Cruzer_Micro_0000160EF172FFE1-0:0' with target 'sdb' has the highest priority 0, create it udev_node_update_symlinks: update symlink 'disk/by-path/pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' of '/block/sdb' udev_db_get_devices_by_name: found index directory '/dev/.udev/names/disk%2fby-path%2fpci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' update_link: found 1 devices with name 'disk/by-path/pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' update_link: found '/block/sdb' for 'disk/by-path/pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' update_link: compare (our own) priority of '/block/sdb' 0 >= 0 update_link: 'disk/by-path/pci-0000:00:1d.7-usb-0:4:1.0-scsi-0:0:0:0' with target 'sdb' has the highest priority 0, create it main: run: 'socket:/org/freedesktop/hal/udev_event' main: run: 'socket:/org/kernel/udev/monitor' --------------020400040902080107070605 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. 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