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Move the logic when and how to call the dev.d/ scripts into the
main processing path.
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Remove the overwriting of main_argv[] hack and use the values
from the udev object.
Pass the udev object to call_foreach_file().
In the udevstart case, export SUBSYSTEM and UDEVSTART to the
environment.
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[kay@pim udev.kay]$ ./udevinfo -r -q symlink -p /class/video4linux/video0
/dev/camera0 /dev/kamera0 /dev/videocam0 /dev/webcam0
[kay@pim udev.kay]$ ./udevinfo -q symlink -p /class/video4linux/video0
camera0 kamera0 videocam0 webcam0
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"udev udevstart" will run udev as udevstart. This makes it easier
to run a test in the source tree without the need to create a
symlink.
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The option "-s" will get information about the major/minor,
the physical device, the bus value and the driver from sysfs for
all class and block devices:
kay@pim udev.kay]$ ./udevinfo -s
DEVPATH '/sys/block/sda'
SUBSYSTEM 'block'
NAME 'sda'
MAJORMINOR '8:0'
PHYSDEVPATH '/sys/devices/pci0000:00/0000:00:1d.7/usb1/1-3/1-3:1.0/host2/target2:0:0/2:0:0:0'
PHYSDEVPATHBUS 'scsi'
DRIVER 'sd'
DEVPATH '/sys/class/input/mice'
SUBSYSTEM 'input'
NAME 'mice'
MAJORMINOR '13:63'
DEVPATH '/sys/class/input/mouse0'
SUBSYSTEM 'input'
NAME 'mouse0'
MAJORMINOR '13:32'
...
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Make _all_ hotplug variables available to the forked udev,
the udev callouts and the udev dev.d/ scripts. We put the
whole environment into a buffer and send it over the udevd
socket. udevd recreates *envp[] and passes it to the exec().
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This makes the udev operation completely lockless by storing a
file for every node in /dev/.udevdb/* This solved the problem
with deadlocking concurrent udev processes waiting for each other
to release the file lock under heavy load.
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Hi,
Here is a few updates for the udev.rules.gentoo from udev package.
I will summarise it briefly:
1) The last change you did to legacy tty's is wrong.
I say this because:
1a) The original devfs rules had both master and slave in /dev/pty:
nosferatu linux # grep devfs_name drivers/char/pty.c
pty_driver->devfs_name = "pty/m";
pty_slave_driver->devfs_name = "pty/s";
nosferatu linux #
1b) If you refer to '2.6.8.1-mm1 Tty problems?', you will see that
the /dev/tty/ directory our rules create, replaces this symlink:
nosferatu portage # ls -l /dev/tty
crw-rw-rw- 1 root tty 5, 0 Nov 14 17:06 /dev/tty
nosferatu portage #
which is used to determine the controlling tty.
2) Somebody added the /dev/cpu/microcode rule, but it was not run
as there was an older rule before that placing it in /dev/misc (which
is wrong). Just remove the first broken rule
3) Some form/tab cleanups. Reorder rules alphabetically according to
device class to make searching/editing easier.
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I thought I had fixed this a long time ago...
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should fix a lot of gentoo bug reports
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Should prevent false error reports from happening.
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physical device
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Will help distros that have a test phase of their build.
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In the grand tradition of releasing free software projects on my birthday
for the past few years.
And yes, I skipped version 041, call it grumpyness in my old age...
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Change to the same timeout loop we use in the rest of the code. Change
some comments and names to be more descriptive.
I'm mostly finished with the overall cleanup. I will post a new patch
for the udevd-nofork experiment, which will be much smaller now.
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This patch exposes the wait_for_sysfs functions to all possible users,
so we need to maintain only one list of exceptions. The last list is
hereby removed from udev.c.
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Here we get the logging for udev_volume_id working if it is compiled
with DEBUG=true. Also fixed is a name clash with a global variable.
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Hi,
I got these when creating LVM2 snapshots:
,----
| Oct 17 04:23:09 server wait_for_sysfs[5120]: error: wait_for_sysfs needs an update to handle the device '/block/dm-6' properly, please report to <linux-hotplug-devel@lists.sourceforge.net>
| Oct 17 04:23:09 server wait_for_sysfs[5129]: error: wait_for_sysfs needs an update to handle the device '/block/dm-6' properly, please report to <linux-hotplug-devel@lists.sourceforge.net>
| Oct 17 04:23:09 server wait_for_sysfs[5131]: error: wait_for_sysfs needs an update to handle the device '/block/dm-7' properly, please report to <linux-hotplug-devel@lists.sourceforge.net>
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`----
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I've been told that open() should not pass O_NONBLOCK.
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