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Most of /etc/init.d/udev-cache is in a conditional block which can be
replaced by a `[ ... ] || exit 0` to reduce nesting.
This also provides an opportunity to add some additional messages
when VERBOSE is set.
Capture and report errors encountered in the cache generation process,
using set -e and trap EXIT. These errors were previously being ignored.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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Don't hold up the boot while the cache is being updated.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Acked-by: Gratian Crisan <gratian.crisan@ni.com>
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Presently, the cache is not regenerated if udev rules are modified,
which may cause the cache to preserve an old configuration. To fix,
include the size, mtime, and filename of all udev rules in the system
configuration.
This change requires `stat`. If busybox supplies stat,
CONFIG_FEATURE_STAT_FORMAT must be enabled.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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Failure to use the udev cache is a significant enough impact to
the boot time (possibly seconds) that it should always be
reported on the console, regardless of the VERBOSE setting.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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Replace a bunch of echo's with a single cat<<EOF. Take this opportunity
to more clearly communicate what is going on with the cache and what
files are being looked at.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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The current system configuration needs to be generated both inside
udev (to compare against the cached system configuration) and
udev-cache (to regenerate the cached system configuration). Use a single
function definition for this task, duplicated across both initscripts.
This also allows administrators to modify it for machine-specific
requirements.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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The udev initscript signals udev-cache to run by generating a new
sysconf; but udev-cache now overwrites that with its own copy. To
eliminate the needless sysconf generating in udev, we instead trigger
udev-cache to run by touching a new file $DEVCACHE_REGEN.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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Currently, udev-cache system configurations are compared as shell string
variables, read into memory with the readfiles() function. This is more
complex, and significantly (27-41%) slower, than comparing them using
`cmp`. (Performance was verified on both Cortex-A9 and Intel Nehalem
systems.)
So just use cmp. This requires a few other small changes:
exclude /proc/atags from CMP_FILE_LIST if it doesn't exist to avoid
errors in `cat` and `cmp`.
`cmp -q` doesn't exist in busybox, so instead, redirect output to
/dev/null.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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The validity of the udev cache is determined by the sysconf
file (/etc/udev/cache.data). Currently, there is a substantial delay
between sysconf generation in /etc/init.d/udev and cache generation in
/etc/init.d/udev-cache. If a hotplug event arrives in the middle of
this, then the sysconf will be out of date with respect to the cache.
The solution is two-pronged. First, we minimize the race window by
regenerating the sysconf immediately before the cache, in
/etc/init.d/udev-cache. This allows us to kill the race entirely by
stopping the udev event queue while the sysconf and cache are being
generated.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
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Make sure that /proc/sys/kernel/hotplug exists before trying to disable
the uevent-helper mechanism.
Since kernel commit 86d56134f1b6 ("kobject: Make support for
uevent_helper optional.") the kernel can be built without uevent-helper
support. In this case /proc/sys/kernel/hotplug does not exist and the
current sysvinit script fails with
/etc/rcS.d/S04udev: line 132: can't create /proc/sys/kernel/hotplug: nonexistent directory
when trying to disable the uevent-helper mechanism during boot.
Note that a single NULL-character has always been sufficient to disable.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Add bash, python or perl to the ptest pkgs to fix the RDEPENDS issues.
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The udev-cache facility uses files that represent system states, to
ensure that the cache tarball is valid to apply. These paths were
hardcoded in several places; collect them into SYSCONF_CACHED and
SYSCONF_TMP.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Previous changes should obviate all known spurious errors coming out of
tar. Since real extraction failures can and will occur, stop redirecting
stdout/stderr to /dev/null.
Take this opportunity to also remove an unnecessary subshell.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Archiving sockets causes tar to report an error and return a nonzero
exit status. Archiving a mounted filesystem is harmless, but may greatly
bloat the size of the cache tarball, and wastes time on boot.
To fix these issues, use `find` to only include the files we want, which
are the file types that udev will create (block/char devices and
symlinks) that are on the same filesystem as /dev.
While we're at it, remove a subshell by archiving /dev as an absolute
path. However, `tar` will complain about stripping the leading slash on
stderr. To inhibit this, `cut` out the leading slash.
An alternative solution is to use `tar --exclude`, but that is modestly
more brittle, since we'd need to explicitly list every socket and
filesystem to exclude. Note that `tar --one-file-system` is
GNU-specific, and tar implementations generally have nothing equivalent
to `find -type`.
If using busybox `find`, this change requires CONFIG_FEATURE_FIND_TYPE=y
and CONFIG_FEATURE_FIND_XDEV=y. If using busybox `tar`, this change
requires CONFIG_FEATURE_TAR_FROM=y.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Under normal udev operation, device nodes are obviously timestamped
based on the system time at current boot. However, when using
udev-cache, they are timestamped from a previous boot.
The existence of machines lacking RTCs makes this more than a cosmetic
issue: if the current time is set further on in the boot, so that the
system time is still 1970 by the time the cache is extracted, tar will
print a timestamp warning for every extracted file (potentially hundreds
of them).
To fix, use -m on extract.
If using busybox `tar`, this commit requires
CONFIG_FEATURE_TAR_NOPRESERVE_TIME=y.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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"/etc/dev.tar.gz" doesn't adequately imply that udev-cache maintains it.
Instead, call it "/etc/udev-cache.tar.gz".
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Acked-by: Gratian Crisan <gratian.crisan@ni.com>
Acked-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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$DEVCACHE is observed to be 100k uncompressed; compressing it reduces
its size to ~5k. But compress it outside of `tar` so that archival
operation takes as little time as possible, to minimize the risk of
devices being created/removed during execution.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Overwriting the tarball in-place could cause a partial write, if the
system stops at an inopportune time. This is mitigated by first writing
to a temporary file, then moving that file on top of the final location.
Signed-off-by: Richard Tollerton <rich.tollerton@ni.com>
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Acked-by: Gratian Crisan <gratian.crisan@ni.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Mariadb postinstall will fail with:
ERROR: 1 Can't create/write to file '/tmp/#sql_a2a_0.MAI' (Errcode: 13)
140814 8:14:06 [ERROR] Aborting
/tmp is a link to /var/volatile/tmp, set as:
drwxr-xr-x 3 root root 60 Aug 14 08:07 .
populate-volatiles.sh does not create the directory or set
permissions, because it already exists:
Checking for -/var/volatile/tmp-.
Creating directory -/var/volatile/tmp-.
Target already exists. Skipping.
Traced the creation to the initfile in udev. Create with -m 1755
to be sure. With this patch applied, mysql postinst succeeds and
creates the neccesary user tables.
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Adds udev rule to unmount SD card partitions in case of improper
ejection from card reader.
When SD card is ejected from card reader without being unmounted
first, kernel does not generate a REMOVE event, instead it
generates a CHANGE event(only if polling is enabled
/sys/module/block/parameters/events_dfl_poll_msecs) and we don't
have any udev rule in automount.rules to handle this event,so
partitions never get unmounted. Unmounting of partitions can be
done if udev rules handle this CHANGE event.
Signed-off-by: Abbas Raza <Abbas_Raza@mentor.com>
Signed-off-by: Yasir-Khan <yasir_khan@mentor.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Add a '\n' to the last line of the file to fix:
No newline at end of file
Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Previously, the udev package only RRECOMMENDS udev-utils package,
but its init script in the udev package really relies on the
'udevadm' command to work properly. As a result, if 'NO_RECOMMENDATIONS'
is set to '1', errors occur at system start-up.
The udev-utils package only contains one file, that is /bin/udevadm.
So it's better that we remove the udev-utils package and move the
'udevadm' command to the udev package.
[YOCTO #6388]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Force probing of "platform" bus by default.
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Make probing of "platform" bus conditional based on PROBE_PLATFORM_BUS
variable from /etc/default/udev-cache on subsequent boots when udev
cache is used. PROBE_PLATFORM_BUS has to be set to "yes" in order to
force probing on every boot, otherwise it uses the old default behaviour
of probing it just the first time.
This is helpful on modern SoCs where most of the low level peripheral
drivers are registered on the platform bus and need to be probed to load
the necessary modules and enable the connected buses and subsystems.
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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The error was introduced by the following commit.
acfe3014d41de5e87cdbc58d0396349c6b9c3ffd
udev-extraconf: update mount.sh to use /run/media instead of /media
It accidently replaced 'device/media' by 'device/run/media' which causes
error for live images to be unable to boot up correctly, complaining
"Cannot find rootfs.img in /media/*".
This patch fixes the above problem.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Chunrong Guo <B40290@freescale.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This is done to work around the issue of auto-mounting block devices
(i.e. SD cards) when root filesystem is still in read-only mode and
creating /media/<device> mount-points by udev is not possible. That
is due to udev (/etc/rcS.d/S03udev) getting started earlier than
checkroot (/etc/rcS.d/S10checkroot.sh) gets a chance to re-mount the
rootfs as read-write.
Although, canonical FHS specifies /media/<device> as a mount point
for removable media devices, the latest 2.3 version was released in
2004 and since then FreeDesktop/udisks and other tools adopted the
new /run/media/<user>/<device> location. That was done to overcome
read-only rootfs limitation, since /run is usually a tmpfs mounted
partition, plus avoid name-clash between users.
For our embedded systems environment we assume single-user operation
and hence simplify mount point to just /run/media/<device>. But for
proper per-user mounting to /run/media/<user>/<device>, some sort of
session management is required along with the tool like udisks, that
is out of scope of this simple udev-based auto-mounting.
Signed-off-by: Denys Dmytriyenko <denys@ti.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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BitBake has the exact same code as oe.utils.contains so there's no
reason to duplicate it. We now rely on the bb.utils.contains code for
metadata.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Resolves warnings of this kind in the OpenPLi layer:
WARNING: Use of PRINC * was detected in the recipe *
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Those recipes need PR bump so we drop PRINC from meta-fsl-arm layer.
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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* resolves following warnings:
WARNING: Use of PRINC 17 was detected in the recipe meta-openembedded/meta-systemd/recipes-core/systemd/systemd-machine-units_1.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe meta-openembedded/meta-gpe/recipes-support/fbreader/fbreader_0.12.10.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe meta-openembedded/meta-gpe/recipes-support/fbreader/fbreader_git.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe meta-openembedded/meta-multimedia/recipes-multimedia/sox/sox_14.4.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe meta-openembedded/meta-oe/recipes-multimedia/mplayer/mplayer-common.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe meta-smartphone/meta-android/recipes-bsp/chroot-script/chroot-script_1.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-connectivity/avahi/avahi-ui_0.6.31.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-connectivity/bind/bind_9.8.1.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-core/systemd/systemd-serialgetty.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-core/sysvinit/sysvinit-inittab_2.88dsf.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-extended/screen/screen_4.0.3.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-extended/shadow/shadow-securetty_4.1.4.3.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-extended/shadow/shadow_4.1.4.3.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-graphics/libsdl/libsdl_1.2.15.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-graphics/packagegroups/packagegroup-core-x11-xserver.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-kernel/modutils-initscripts/modutils-initscripts.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-multimedia/libsndfile/libsndfile1_1.0.25.bb (or one of its .bbappends)
WARNING: Use of PRINC 1 was detected in the recipe openembedded-core/meta/recipes-support/libcap/libcap_2.22.bb (or one of its .bbappends)
WARNING: Use of PRINC 11 was detected in the recipe openembedded-core/meta/recipes-bsp/keymaps/keymaps_1.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 11 was detected in the recipe openembedded-core/meta/recipes-core/systemd/systemd-compat-units.bb (or one of its .bbappends)
WARNING: Use of PRINC 12 was detected in the recipe openembedded-core/meta/recipes-core/initscripts/initscripts_1.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 13 was detected in the recipe openembedded-core/meta/recipes-core/base-files/base-files_3.0.14.bb (or one of its .bbappends)
WARNING: Use of PRINC 2 was detected in the recipe meta-openembedded/meta-oe/recipes-navigation/navit/navit_svn.bb (or one of its .bbappends)
WARNING: Use of PRINC 2 was detected in the recipe meta-openembedded/meta-oe/recipes-support/lvm2/lvm2_2.02.97.bb (or one of its .bbappends)
WARNING: Use of PRINC 2 was detected in the recipe openembedded-core/meta/recipes-connectivity/portmap/portmap_6.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 2 was detected in the recipe openembedded-core/meta/recipes-extended/pam/libpam_1.1.6.bb (or one of its .bbappends)
WARNING: Use of PRINC 2 was detected in the recipe openembedded-core/meta/recipes-graphics/packagegroups/packagegroup-core-x11.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe meta-openembedded/meta-efl/recipes-efl/efl/entrance_svn.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe meta-openembedded/meta-oe/recipes-multimedia/mplayer/mplayer2_git.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe openembedded-core/meta/recipes-bsp/formfactor/formfactor_0.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe openembedded-core/meta/recipes-connectivity/avahi/avahi_0.6.31.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe openembedded-core/meta/recipes-connectivity/dhcp/dhcp_4.2.5-P1.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe openembedded-core/meta/recipes-core/init-ifupdown/init-ifupdown_1.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 3 was detected in the recipe openembedded-core/meta/recipes-graphics/xinput-calibrator/pointercal-xinput_0.0.bb (or one of its .bbappends)
WARNING: Use of PRINC 5 was detected in the recipe meta-openembedded/meta-oe/recipes-core/meta/distro-feed-configs.bb (or one of its .bbappends)
WARNING: Use of PRINC 5 was detected in the recipe openembedded-core/meta/recipes-connectivity/bluez/bluez4_4.101.bb (or one of its .bbappends)
WARNING: Use of PRINC 6 was detected in the recipe openembedded-core/meta/recipes-core/packagegroups/packagegroup-base.bb (or one of its .bbappends)
WARNING: Use of PRINC 6 was detected in the recipe openembedded-core/meta/recipes-core/packagegroups/packagegroup-core-boot.bb (or one of its .bbappends)
WARNING: Use of PRINC 6 was detected in the recipe openembedded-core/meta/recipes-graphics/xorg-xserver/xserver-xf86-config_0.1.bb (or one of its .bbappends)
WARNING: Use of PRINC 7 was detected in the recipe meta-openembedded/meta-oe/recipes-navigation/gpsd/gpsd_3.7.bb (or one of its .bbappends)
WARNING: Use of PRINC 7 was detected in the recipe openembedded-core/meta/recipes-core/udev/udev-extraconf_1.0.bb (or one of its .bbappends)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Fix the typo in the RDEPENDS statement to make it have real effect.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Install udev test suite and run it as a ptest.
Signed-off-by: Alexandra Safta <alexandra.safta@enea.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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We don't support multiple -dbg/-dev packages, the package can generate
them but the system does not correctly handle them. Just move all devel
stuffs into 'udev-dev' and all debug stuffs into 'udev-dbg'.
Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Adjust the boot sequence in sysvinit based systems.
The mountall.sh (mounting the local file system) needs to be started
before udev and bootlogd.
This patch makes mountall.sh start before udev and removes the hack of
mounting tmpfs in the udev init script.
This patch also adds some comments to the udev init script to make it
clear why we create the '/var/volatile/tmp' directory.
[YOCTO #5273]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Since udev 174 udev has been running input_id as a built-in command and
setting this value in the environment for touchscreens. Use this logic
to detect when to make a touchscreen0 symlink.
Signed-off-by: Tom Rini <trini@ti.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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* While working with a new capacitive touchscreen it was found
that the existing udev rule that creates the
/dev/input/touchscreen0 symlink was too restrictive and did not
match the MODALAIS entry for this touchscreen. which is:
MODALIAS=input:b0018v0000p0000e0000-e0,1,3,k14A,ra0,1,2F,35,36,39,mlsfw
* By looking at the input_print_modalias function in the Linux
kernel drivers/input/input.c file and referencing the meaning
of the evbits and attributes of the input_dev structure it seems
that for identification of a touchscreen the match with ,18
which was matching part of the absbit structure is overkill.
* It seems that the absbit entry is used for devices like
touchscreens and if that the the "a" is followed by 0 and 1 this
is sufficient.
* So the logic has now been changed to check for the "e" 0 and 3
values which correspond to EV_SYN and EV_ABS, then check for
the "a" attribute with 0 and 1.
* More information and history for this can be found at:
http://patchwork.openembedded.org/patch/25093/
http://thread.gmane.org/gmane.comp.handhelds.openembedded.core
* This patch mirrors a patch done by:
Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Chase Maupin <Chase.Maupin@ti.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Some of the external USB devices has internal USB hub, which
make them look like "fixed" rather than "removable". And USB
autosuspend does not work with some of these devices resulting
in inoperable pointing device.
Now the code detect these false "fixed" devices by looking at their
parents. If any of their parent is "removable", then USB autosuspend
is not enabled for that device, which keeps the pointing device
functional.
Fixes bug:
[YOCTO #5166]
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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This script was modified to check whether $ID_FS_TYPE is empty before
automount, however, for cdrom devices on qemu, the ID_FS_TYPE is not
set, yet the device should be mounted. Otherwise, when booting an iso
image with runqemu, the boot process hangs at 'waiting for removable
media'.
This patch fixes this problem by first checking whether the block device
is a cdrom.
[YOCTO #4487]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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At some point, the udev was modified to source the functions from
initscripts or lsbinitscripts. This dependency is actually not needed.
If we use udev in a system where initscripts from oe-core is not available,
there will be errors.
This patch fixes this problem by removing the implicit dependency.
[YOCTO #4882]
[YOCTO #4103]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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If filesystem type is vfat, change the ownership group to 'disk', and grant it
with w/r/x permissions.
The user which belongs to 'disk' group could write the storage.
[YOCTO #4004]
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Do not mount /dev/dm-* by default via udev, this is the default
behavior for most distos and WRLinux4.x.
This resolved a problem with the sanity test failing due to seeing
the error while attempting to mount new logical volumes without fs.
Signed-off-by: Xin Ouyang <Xin.Ouyang@windriver.com>
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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This will enable the udev cache for sysvinit systems, which does improve post-first
boots.
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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In case of a read-only rootfs, we skip the process of generating
udev cache, as the data cannot be persisted between reboots.
However, it's possbile that the $DEVCACHE (default to /etc/dev.tar)
exists in a read-only rootfs, no matter how it's generated or installed.
In such situation, we try to use $DEVCACHE if possible.
Besides the basic changes in the logic of udev cache handling,
this patch also adds code to output more information if the udev
cache is not used and VERBOSE enabled.
This patch also changes the readfile function to readfiles function
so that it could handle more than one file at once.
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Fix for bug: https://bugzilla.yoctoproject.org/show_bug.cgi?id=4632
Since udev 172, the 'mknod' logic was removed from udev. Yocto Dylan
is now using udev 182. This means /dev is now required to be a
devtmpfs filesystem (maintained by the kernel). If the root
filesystem is a ramdisk, the kernel's auto-mount of /dev doesn't
activate since there is no rootfs to actually mount... The bug causes
an unusable system as /dev doesn't contain even basic nodes required
to even get a login prompt.
The Yocto udev/init script mounts tmpfs if it does not detect tmpfs
or devtmpfs mounted at /dev. This appears to be outdated logic that
is no longer correct. I believe the Yocto udev init script should be
checking and mounting only 'devtmpfs' on dev.
Signed-off-by: Alex Olson <alex.olson+yocto@gmail.com>
[YOCTO #4632]
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Previouly, the udev-cache has no real effect even if it's installed
into the system. The key problem here is that at first boot, the
/etc/dev.tar is not present, thus resulting /dev/shm/udev.cache not
created on first boot even if udev-cache is enabled.
This patch fixes this problem. The /dev/shm/udev.cache will be created
if necessary, that is, on first boot or when some part of the system is
changed. In the latter case, the udev cache may not be valid.
[YOCTO #4738]
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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udev does not require those files to be operational and they add ~350KB
to rootfs
Signed-off-by: Marcin Juszkiewicz <marcin@juszkiewicz.com.pl>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Richard Tollerton
Johan Hovold
Robert Yang
Riku Voipio
Yasir-Khan
Chen Qi
Denys Dmytriyenko
Saul Wold
Chunrong Guo
Otavio Salvador
Mike Looijmans
Martin Jansa
Richard Purdie
Alexandra Safta
Wenzong Fan
Tom Rini
Chase Maupin
Nitin A Kamble
Hongxu Jia
Jackie Huang
Alex Olson
Marcin Juszkiewicz