diff options
Diffstat (limited to 'chapter06/udev.xml')
| -rw-r--r-- | chapter06/udev.xml | 122 |
1 files changed, 41 insertions, 81 deletions
diff --git a/chapter06/udev.xml b/chapter06/udev.xml index 8d7e820ae..95b7c3184 100644 --- a/chapter06/udev.xml +++ b/chapter06/udev.xml @@ -47,21 +47,17 @@ <screen><userinput remap="pre">tar -xvf ../&udev-config;.tar.bz2</userinput></screen> <para>Create some devices and directories that Udev cannot handle due to - them being required very early in the boot process:</para> + them being required very early in the boot process, or by Udev itself:</para> <screen><userinput remap="install">install -dv /lib/{firmware,udev/devices/{pts,shm}} mknod -m0666 /lib/udev/devices/null c 1 3 +mknod -m0600 /lib/udev/devices/kmsg c 1 11 ln -sv /proc/self/fd /lib/udev/devices/fd ln -sv /proc/self/fd/0 /lib/udev/devices/stdin ln -sv /proc/self/fd/1 /lib/udev/devices/stdout ln -sv /proc/self/fd/2 /lib/udev/devices/stderr ln -sv /proc/kcore /lib/udev/devices/core</userinput></screen> - <para><command>usb_id</command> is known to segfault under certain kernel - configurations. Fix the issue by applying the following patch:</para> - -<screen><userinput remap="pre">patch -Np1 -i ../&udev-usbid-patch;</userinput></screen> - <para>Compile the package:</para> <screen><userinput remap="make">make EXTRAS="`echo extras/*/`"</userinput></screen> @@ -104,13 +100,9 @@ ln -sv /proc/kcore /lib/udev/devices/core</userinput></screen> </variablelist> - <para>Udev has to be configured in order to work properly, as it only - installs a few configuration files by default. First install the - commonly-used rules files provided by Udev:</para> - -<screen><userinput remap="install">cp -v etc/udev/rules.d/[0-9]* /etc/udev/rules.d/</userinput></screen> - - <para>Now install the LFS-specific rules files:</para> + <para>Udev has to be configured in order to work properly, as its default + configuration does not cover all devices. Install the (LFS-specific) + custom rules files:</para> <screen><userinput remap="install">cd &udev-config; make install</userinput></screen> @@ -129,6 +121,7 @@ make install</userinput></screen> rules:</para> <screen><userinput remap="install">cd .. +install -dv /usr/share/doc/udev-&udev-version; install -m644 -v docs/writing_udev_rules/index.html \ /usr/share/doc/udev-&udev-version;/index.html</userinput></screen> @@ -143,10 +136,9 @@ install -m644 -v docs/writing_udev_rules/index.html \ <segtitle>Installed directory</segtitle> <seglistitem> - <seg>ata_id, cdrom_id, create_floppy_devices, edd_id, firmware.sh, - path_id, scsi_id, udevcontrol, udevd, udevinfo, udevmonitor, udevsettle, - udevtest, udevtrigger, usb_id, vol_id, write_cd_rules, and - write_net_rules</seg> + <seg>ata_id, cdrom_id, collect, create_floppy_devices, edd_id, + firmware.sh, fstab_import, path_id, scsi_id, udevadm, udevd, + usb_id, vol_id, write_cd_rules, and write_net_rules</seg> <seg>libvolume_id</seg> <seg>/etc/udev</seg> </seglistitem> @@ -179,6 +171,18 @@ install -m644 -v docs/writing_udev_rules/index.html \ </listitem> </varlistentry> + <varlistentry id="collect"> + <term><command>collect</command></term> + <listitem> + <para>Given an ID for the current uevent and a list of + IDs (for all target uevents), registers the current ID + and indicates whether all target IDs have been registered</para> + <indexterm zone="ch-system-udev collect"> + <primary sortas="b-collect">collect</primary> + </indexterm> + </listitem> + </varlistentry> + <varlistentry id="create_floppy_devices"> <term><command>create_floppy_devices</command></term> <listitem> @@ -209,6 +213,18 @@ install -m644 -v docs/writing_udev_rules/index.html \ </listitem> </varlistentry> + <varlistentry id="fstab_import"> + <term><command>fstab_import</command></term> + <listitem> + <para>Finds an entry in <filename>/etc/fstab</filename> that + matches the current device, and provides its information to + Udev</para> + <indexterm zone="ch-system-udev fstab_import"> + <primary sortas="b-fstab_import">fstab_import</primary> + </indexterm> + </listitem> + </varlistentry> + <varlistentry id="path_id"> <term><command>path_id</command></term> <listitem> @@ -232,13 +248,15 @@ install -m644 -v docs/writing_udev_rules/index.html \ </listitem> </varlistentry> - <varlistentry id="udevcontrol"> - <term><command>udevcontrol</command></term> + <varlistentry id="udevadm"> + <term><command>udevadm</command></term> <listitem> - <para>Configures a number of options for the running - <command>udevd</command> daemon, such as the log level.</para> - <indexterm zone="ch-system-udev udevcontrol"> - <primary sortas="b-udevcontrol">udevcontrol</primary> + <para>Generic udev administration tool: controls the udevd daemon, + provides info from the Udev database, monitors uevents, waits for + uevents to finish, tests Udev configuration, and triggers uevents + for a given device</para> + <indexterm zone="ch-system-udev udevadm"> + <primary sortas="b-udevadm">udevadm</primary> </indexterm> </listitem> </varlistentry> @@ -255,64 +273,6 @@ install -m644 -v docs/writing_udev_rules/index.html \ </listitem> </varlistentry> - <varlistentry id="udevinfo"> - <term><command>udevinfo</command></term> - <listitem> - <para>Allows users to query the Udev database for - information on any device currently present on the system; it also - provides a way to query any device in the <systemitem - class="filesystem">sysfs</systemitem> tree to help create udev - rules</para> - <indexterm zone="ch-system-udev udevinfo"> - <primary sortas="b-udevinfo">udevinfo</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="udevmonitor"> - <term><command>udevmonitor</command></term> - <listitem> - <para>Prints the event received from the kernel and the environment - which Udev sends out after rule processing</para> - <indexterm zone="ch-system-udev udevmonitor"> - <primary sortas="b-udevmonitor">udevmonitor</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="udevsettle"> - <term><command>udevsettle</command></term> - <listitem> - <para>Watches the Udev event queue and exits if all current uevents - have been handled</para> - <indexterm zone="ch-system-udev udevsettle"> - <primary sortas="b-udevsettle">udevsettle</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="udevtest"> - <term><command>udevtest</command></term> - <listitem> - <para>Simulates a uevent for the given device, and prints out the - name of the node the real <command>udevd</command> would have created, - or the name of the renamed network interface</para> - <indexterm zone="ch-system-udev udevtest"> - <primary sortas="b-udevtest">udevtest</primary> - </indexterm> - </listitem> - </varlistentry> - - <varlistentry id="udevtrigger"> - <term><command>udevtrigger</command></term> - <listitem> - <para>Triggers kernel device uevents to be replayed</para> - <indexterm zone="ch-system-udev udevtrigger"> - <primary sortas="b-udevtrigger">udevtrigger</primary> - </indexterm> - </listitem> - </varlistentry> - <varlistentry id="usb_id"> <term><command>usb_id</command></term> <listitem> |