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Some SCSI devices use the same WWN and have a WWN extension that we
need to take into account when creating the /dev/disk/by-id/wwn
symlinks. Thus, introduce ID_WWN_WITH_EXTENSION. This property will
contain either the WWN (if no extension is present) or the WWN with
the vendor extension appended.
Example:
# /lib/udev/ata_id/ata_id --export /dev/sda |grep WWN
ID_WWN=0x5001517387d61905
ID_WWN_WITH_EXTENSION=0x5001517387d61905
# /lib/udev/scsi_id --whitelisted --export -d /dev/sdb |grep WWN
ID_WWN=0x600508b400105df7
ID_WWN_VENDOR_EXTENSION=0x0000e00000d80000
ID_WWN_WITH_EXTENSION=0x600508b400105df70000e00000d80000
# /lib/udev/scsi_id --whitelisted --export -d /dev/sdc |grep WWN
ID_WWN=0x600508b400105df7
ID_WWN_VENDOR_EXTENSION=0x0000e00000db0000
ID_WWN_WITH_EXTENSION=0x600508b400105df70000e00000db0000
Signed-off-by: David Zeuthen <davidz@redhat.com>
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The ID_CLASS property on input devices has been replaced by the more accurate
set of flags ID_INPUT_{KEYBOARD,KEYS,MOUSE,TOUCHPAD,TABLET,JOYSTICK}.
Rewrite 60-persistent-input.rules to use the new properties now and not export
ID_CLASS any more, since it is not used by anything else any more.
Add note about migration to NEWS, in case this is being used in custom rules.
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input_id probes input/event devices for their class (keyboard, keys, mouse,
touchpad, tablet, joystick). This is based on the corresponding hal code in
hald/linux/device.c, input_test_{abs,rel,...}.
This should provide enough functionality to get hal-less X.org working (which
in particular needs to know exactly which devices are touchpads).
Replace the brittle hacks in 60-persistent-input.rules with checking for the
new ID_INPUT_* flags. This keeps the old ID_CLASS properties for now (but they
are to be removed later on).
Note: The current code has several hacks still, which are to be replaced with
proper libudev calls later on.
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# ls -l /dev/disk/by-id/wwn-0x500
wwn-0x500000e01b83f360 wwn-0x50014ee25578924f-part1
wwn-0x500000e01b83f440 wwn-0x50014ee25578924f-part2
wwn-0x500000e01b83f520 wwn-0x50014ee2aabdc41b
wwn-0x500000e01b843d90 wwn-0x50014ee2aabdc41b-part1
wwn-0x5000c50016359fd1 wwn-0x50014ee2aabdc41b-part2
wwn-0x50014ee0016eb4f5 wwn-0x5001517958cabd77
wwn-0x50014ee0016eb572 wwn-0x5001517958cabd77-part1
wwn-0x50014ee055d524e2 wwn-0x5001517958cabd77-part2
wwn-0x50014ee055d524e2-part1 wwn-0x5001517958d6a74e
wwn-0x50014ee055d524e2-part2 wwn-0x5001517958d6a74e-part1
wwn-0x50014ee1003d9c50 wwn-0x5001517958d6a74e-part2
wwn-0x50014ee1003d9c50-part1 wwn-0x50024e9200c0c693
wwn-0x50014ee1003d9c50-part2 wwn-0x50024e9200c0c694
wwn-0x50014ee1aac30d4e wwn-0x50024e9200c0c6ae
wwn-0x50014ee1aac30d4e-part1 wwn-0x50024e9200c0c6af
wwn-0x50014ee1aac30d4e-part2 wwn-0x50024e9200c0c6b0
wwn-0x50014ee25578924f wwn-0x50024e9200c0c6b1
Signed-off-by: David Zeuthen <davidz@redhat.com>
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Now that both ata_id and scsi_id exports the World Wide Name in the
ID_WWN property, use this to create persistent symlinks. Example
/dev/disk/by-id/wwn-0x500000e01b83f360 -> ../../sdn
/dev/disk/by-id/wwn-0x500000e01b83f440 -> ../../sdm
Signed-off-by: David Zeuthen <davidz@redhat.com>
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The kernel IDE drivers get deprecated now:
http://article.gmane.org/gmane.linux.ide/43151
Almost everybody has switched over to libata devices long ago.
Recent services do not work with the now deprecated IDE drivers
at all and require libata drivers and SCSI infrastructure.
Systems who care about the old stuff need to add the rules to the
compat rules.
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This reverts commit 68bffc607f7f0414fee77fa481d9c133ce0798e9.
After discussing this with Kay we decided to drop this again as by-id
links only make sense for devices that have a unique serial id. If they
don't any attempts to make them unique have the side effect of
nourishing assumptions by users that cannot be met, as the by-id device
link of a device could differ depending on the history of simultaneously
plugged in device.
So, to make sure that all device nodes follow the same rules for by-id/
symlinks, drop this patch again.
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If two USB sound cards that have the same serial number are plugged in
make sure the by-id/ device node symlink is unique at least during
runtime, by including the ALSA card id in the symlink name.
This is a followup to ed1b2d9fc7.
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If two USB sound cards that have the same serial number are plugged in
make sure ID_ID is unique at least during runtime, by including the ALSA
card id in the ID_ID string.
Fixes issues like this one:
http://pulseaudio.org/ticket/661
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Prefix with a 0 to be consistent with other rules.
https://launchpad.net/bugs/438114
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Commit f61e72d8 made raw USB printers accessible for the lp group. However,
chmoding them to 0660 is a bit over-zealous, since by default raw USB devices
are world-readable. Not being so breaks lsusb unnecessarily. Now set
permissions to 0664.
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Do not run blkid twice. *brown paperbag*
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ID_CDROM_MEDIA_SESSION_LAST_OFFSET is not set for CDs with only a single
session (i. e. for the vast majority of CDs out there). The previous rules ran
blkid with invalid arguments for these, causing CD detection to fail in
DK-disks and gvfs.
Now check whether we actually have ID_CDROM_MEDIA_SESSION_LAST_OFFSET, and if
not, call blkid without -O for specifying the offset.
Many thanks to Maxim Levitsky for tracking this down!
https://launchpad.net/bugs/431055
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The drivers in kernel 2.6.31 supply the names for custom node names if
needed.
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With well defined and kernel-supplied node names, we no longer need
to support a possible stack of conflicting symlinks and node names.
Only symlinks with identical names can be claimed by multiple devices.
This shrinks the former /dev/.udev/names/ significantly.
Also the /dev/{block,char}/MAJ:MIN" links are excluded from the name
stack - they are unique and can not conflict.
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Starting from version 1.4, cups now uses libusb and printer USB devices instead
of the usblp generated /dev/usb/lpX ones. In order to not require the cups USB
backend to run as root now, change raw USB printer devices to be root:lp 0660,
similar to usblpX devices.
This might also enable the hplip backend to not run as root, since this has
always used raw device nodes.
https://launchpad.net/bugs/420015
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The C version of path_id does not look at the environment anymore, so
there is no reason to empty it.
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Thanks to Marco d'Itri<md@linux.it> for noticing.
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Fix spelling in docbook comments, code comments, and a local variable
name. Thanks to "ispell -h" for docbook HTML and "scspell" for source
code.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
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Instead of using multiple recursive Makefile.am files, use a single
Makefile.am that sets and builds all the basic suite of libraries and
binaries for udev. This reduces the number of files in the source tree, and
also reduces drastically the build time when using parallel-make.
With this setup, all the compile steps will be executed in parallel, and
just the linking stage will be (partially) serialised on the libraries
creation.
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It did not work for the last couple of releases.
If RUN{record_failed}+="..." is given, a non-zero execution will mark
the event as failed. Recorded failed events can be re-triggered with:
udevadm trigger --type=failed
The failed tracking _might_ be useful for things which might not be
ready to be executed at early bootup, but a bit later when the needed
dependencies are available. In many cases though, it indicates that
something is used in a way it should not.
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Exclude digitizers and similar devices from ID_CLASS joystick by
checking modalias for BTN_DIGI.
This was also done for linux kernel joydev interface in linux commit
d07a9cba6be5c0e947afc1014b5a62182a86f1f1.
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The newer firewire-core driver exposes per-device character device files,
called /dev/fw[0-9]*, in contrast to the older raw1394, video1394, dv1394
drivers which created one global file or per-controller files.
This allows to set ownership, permissions, or/ and access control lists
for each device file based on device type markers obtained from sysfs.
The "units" attribute which is used for this purpose has become available
in Linux 2.6.31(-rc1) by commit 0210b66dd88a2a1e451901b00378a2068b6ccb35.
The added rules match identifiers of
- IIDC devices:
industrial cameras and some webcams,
- AV/C devices:
camcorders, set-top boxes, TV sets, audio devices, and similar
devices.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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We need to call ata_id as the default for libata sd* devices. We
want ID_BUS=ata, and the ATA device proeprties, and be independent
of the SCSI emulation with the truncated values. The links
in /dev/disk/by-id/{ata-*,scsi-*} are still the same.
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ID_SERIAL is the full serial number used for the links, ID_SERIAL_SHORT
is the device serial number.
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Removed with this is SAS disk support which never really worked properly,
and legacy IDE disk support, which can be re-implemented if needed.
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On Fri, May 22, 2009 at 16:15, Alan Jenkins <alan-jenkins@tuffmail.co.uk> wrote:
> I've been looking at what is responsible for all the path lookup activity in
> coldplug. On my debian stable system, it looks like every device gets its
> parent looked up in sysfs. I think this is due to SUBSYSTEMS matches.
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> I see the udev default rules are different, but it looks like they still
> test for SUBSYSTEMS on every single device. Should we add SUBSYSTEM="scsi_generic"
> to these three rules?
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