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Daniel Walsh's working selinux patch
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for "make install"
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Here is a revised version of the patch. Again, it modifies the Makefile
to respect the prefix= setting when putting paths to
/etc/udev/{rules.s,permissions.d} into the built /etc/udev/udev.conf
file. It also changes the Makefile to create this file at "make" time,
not "make install" time. This allows for udevdir to be specified at
"make" time (thus putting the correct path into udev.conf), but not
specified at "make install" time (thus allowing the installation to
proceed without trying to use the wrong directory).
Submitted By: Kevin P. Fleming <kpfleming@linuxfromscratch.org>
Date: 2004-09-16
Initial Package Version: 032
Origin: David Jensen
Description: correct udev's Makefile and template config file
to respect the "prefix=" setting supplied when it is built; also
build etc/udev/udev.conf at "make" time, not "make install" time
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On Tue, Sep 21, 2004 at 07:17:34PM +0200, Kay Sievers wrote:
> During the integration of HAL into the linux hotplug system, we dicover
> every week a new signaling path that fails cause of the delayed
> population of the sysfs files, which are connected by symlinks and
> appear in something like a random order in userspace.
>
> It's pretty complicated to understand the connection between all these
> files for all the different subsystems with all the exceptions, so most
> of the users simply sleep a few seconds, but that is not acceptable for
> our integration work.
>
> Here I try to get all the special knowledge about that behavior together
> and place that in a simple binary. That program _must_ run first of all
> other hotplug processsing and every later script, udev or HAL all can get
> rid of the wild guesses about the right time sysfs is ready.
>
> It will not only wait for the "dev"-file events we handle with udev, also
> for every /device-device with the corresponding bus link.
>
> It is provided as a patch against the current udev tree and a "install" will
> place the new program in the hotplug.d directory:
>
> [kay@pim ~]$ tree /etc/hotplug.d/
> /etc/hotplug.d/
> `-- default
> |-- 00-wait_for_sysfs.hotplug -> /sbin/wait_for_sysfs
> |-- 10-udev.hotplug -> /sbin/udevsend
> |-- 20-hal.hotplug -> /usr/libexec/hal.hotplug
> |-- default.hotplug
> `-- log.hotplug
>
>
> For now, it logs the result of the waiting to syslog, to catch any
> device, that needs special treatment. All newly discovered delay problems,
> device black/whitelist updates should go into that program and we may remove
> that kind of specialisation from all the other hotplug programs.
>
> Any patches, reports, testing is more than welcome.
>
> Sample debug:
> Sep 21 18:44:07 localhost kernel: usb 3-2: new full speed USB device using address 12
> Sep 21 18:44:07 localhost kernel: hub 3-2:1.0: USB hub found
> Sep 21 18:44:07 localhost kernel: hub 3-2:1.0: 2 ports detected
> Sep 21 18:44:07 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2'
> Sep 21 18:44:07 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2:1.0'
> Sep 21 18:44:08 localhost kernel: usb 3-2.1: new full speed USB device using address 13
> Sep 21 18:44:08 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/class/usb/lp0'
> Sep 21 18:44:08 localhost kernel: drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 13 if 0 alt 1 proto 2 vid 0x067B pid 0x2305
> Sep 21 18:44:08 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2.1/3-2.1:1.0'
> Sep 21 18:44:08 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2.1'
> Sep 21 18:44:08 localhost udev: configured rule in '/etc/udev/rules.d/50-udev.rules' at line 29 applied, 'lp0' becomes 'usb/%k'
> Sep 21 18:44:08 localhost udev: creating device node '/udev/usb/lp0'
> Sep 21 18:44:09 localhost kernel: usb 3-2.2: new full speed USB device using address 14
> Sep 21 18:44:09 localhost kernel: pl2303 3-2.2:1.0: PL-2303 converter detected
> Sep 21 18:44:09 localhost kernel: usb 3-2.2: PL-2303 converter now attached to ttyUSB0
> Sep 21 18:44:09 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2.2'
> Sep 21 18:44:09 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2.2/3-2.2:1.0'
> Sep 21 18:44:09 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/devices/pci0000:00/0000:00:1d.1/usb3/3-2/3-2.2/3-2.2:1.0/ttyUSB0'
> Sep 21 18:44:09 localhost 00-wait_for_sysfs.hotplug: result: waiting for sysfs successful '/class/tty/ttyUSB0'
> Sep 21 18:44:09 localhost udev: creating device node '/udev/ttyUSB0'
New version with more devices excluded from /device-link saerch and
a better maching for device names.
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Here's a patch updating udev's copy of scsi_id to version 0.6.
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Based on a patch from Kay Sievers <kay.sievers@vrfy.org>
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Let's try it another way:
We define BLKGETSIZE64 in udev-volume_id.c now, cause including <fs.h>
does also not work with klibc. This hopefully fixes your compile problem
too.
Also included is an update to udev_volume_id with the latest fixes for
volume_id. It adds a simple logging file to map the debug function, that
we can use exactly the same files in HAL and udev.
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The kernel will use a u64 for the sequence number, so we want the same.
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On Fri, Sep 10, 2004 at 01:09:07PM -0700, Greg KH wrote:
> On Tue, Sep 07, 2004 at 01:19:34PM +0200, David Zeuthen wrote:
> >
> > KERNEL="sr*", NAME="%k", SYMLINK="cdrom%e"
> > KERNEL="scd*", NAME="%k", SYMLINK="cdrom%e"
> > KERNEL="pcd*", NAME="%k", SYMLINK="cdrom%e"
> > KERNEL="hd[a-z]", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="cdrom", NAME="\%k", SYMLINK="cdrom%e"
> > KERNEL="fd[0-9]", NAME="%k", SYMLINK="floppy%e"
> > KERNEL="hd[a-z]", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="floppy", NAME=\"%k", SYMLINK="floppy%e"
> >
> > New patch is attached.
>
> Nice, I've applied this.
>
> How about sending a patch for the test/udev-test.pl script that adds a
> test for this new paramater, so we make sure to not break it in the
> future.
Here are the tests for the enumeration character %e. I've added a option
string to be able to do a whole sequence of tests without node removal,
so we can skip the "remove" event and get an increasing number to append
to the name. After the sequence test the whole directory is cleaned for
the next tests.
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On Tue, Sep 14, 2004 at 02:53:12PM +0200, Loleslaw wrote:
> Hi,
> Since I started using udev-031 on my gentoo udevstart would just segfault
> (udev-030 worked). As it turned out I had a file in /etc/udev/permissions.d
> with a single space in one line. I've cleaned the file and it works all
> right, but I thought you could be interested.
> I've traced it to function namedev_init_permissions in namedev_parse.c
> I don't know C well enough to suggest a patch.
Yeah, thanks for pointing that out. It only happens if the file ends with
whitespace-only lines. Here is a fix and a test for udev-test.pl to
cover that case.
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There is a bug parsing PROGRAMs after apostrophes. Try PROGRAM="/bin/echo 'test test".
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Fix a stupid logic bug, I introduced with the udev.c simplification. We
want to look at class and block devices only.
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On Mon, 2004-09-13 at 01:56 +0200, Marco d'Itri wrote:
> Starting from udev 031, the %-arguments passed to PROGRAMs are not
> correct when the new udevstart code is being used.
>
> KERNEL="event[0-9]*", NAME="input/%k", PROGRAM="/etc/udev/inputdev.sh %k %n %M %m", RESULT="inputdev", MODE="0664", GROUP="video"
>
> generates this log (just echo $*):
>
> event0 0 13 64
> event0 0 13 64
> event0 0 13 64
>
> while the correct log (generated using the old shell script instead of
> udevstart) would be:
>
> event0 0 13 64
> event1 1 13 65
> event2 2 13 66
Yes, I can simulate this, please try the attached patch. I expect, that
it fixes it, cause we better not mangle the parsed config while matching
the rules.
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devices
Seems some programs really want /dev/null to work properly :)
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On Tue, Sep 07, 2004 at 12:46:43PM +0200, Kay Sievers wrote:
> On Mon, 2004-09-06 at 20:18 -0700, Tom Rini wrote:
> > I noticed somewhat recently that my enet devices weren't being renamed
> > on boot anymore. I don't quite know when this got broken (or rather, if
> > it was supposed to be working. I swear it worked for me once..), but
> > the following seems to do it.
>
> I think it never worked in the udevstart case. It worked only with the
> hotplug-event-udev, I expect.
>
> > In udev_scan_class(), look for not just
> > %s/%s/dev (which everything with a dev node has), but %s/%s/dev* (both
> > of my enet devices, sis900 & 3c59x only have device) and if that
> > exists, pass this along to udev.
>
> Yeah, network devices don't have a devnode and therefore no "dev", but
> they are all in /sys/class/net/. We may just test if we are there
> instead of the "device" match.
How about something like this. It adds all the net devices without
looking at the attributes and keeps the remaining logic like it is.
It also removes certain levels of indirection and much simplifies the
udevstart process. We surely don't need to open and close the udevdb
for every node while iterating over the list. (We are about 5% faster on
my box)
It's not well tested, so it would be nice if someone can have a look
at it, before a broken udevstart renders any system unbootable.
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On Mon, 2004-09-06 at 17:45 +0200, Kay Sievers wrote:
> On Mon, 2004-09-06 at 16:46 +0200, David Zeuthen wrote:
>
> Nice, I like it. It's a easy way to group device nodes of the same type,
> but coming from different kernel subsystems.
>
That's a good way of putting it, yeah.
> > Here's a patch against udev-030 that can help create compatibility
> > symlinks like /dev/cdrom, /dev/cdrom1 etc. The patch introduces a new
> > substitution type %C (for Compatibility) that can be used as follows
>
> I suggest using %e for enumeration here, cause "compatibility" can
> easily be misunderstood.
>
Good point, I've changed that.
> And we need a few lines added to the man page at udev.8.in :)
>
Done. I've also added an example.
Also, Kay pointed out offlist that the rules can be written to not
require a shell script; this actually works
KERNEL="sr*", NAME="%k", SYMLINK="cdrom%e"
KERNEL="scd*", NAME="%k", SYMLINK="cdrom%e"
KERNEL="pcd*", NAME="%k", SYMLINK="cdrom%e"
KERNEL="hd[a-z]", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="cdrom", NAME="\%k", SYMLINK="cdrom%e"
KERNEL="fd[0-9]", NAME="%k", SYMLINK="floppy%e"
KERNEL="hd[a-z]", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="floppy", NAME=\"%k", SYMLINK="floppy%e"
New patch is attached.
David
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Hi Kay,
On 23:12 Sat 04 Sep , Kay Sievers wrote:
> Cool, a real bug :)
> Thanks, for the patch. I think it would be better to skip lenghth exceeding
> lines instead of cutting it and continue. While looking at it I restructured
> the buffer reading logic a bit and fixed another stupid bug.
Thanks for the cleanup.
You may have overlooked the fix for udev_config.c(parsing udev.conf) in
your patch. So, I've adapted the fixes you applied to namedev_parse.c
to this file also.
Also, while 'eating' the whitespace the 'count' doesn't get decremented.
This leads strncpy to copy the number of whitespace minus 1 characters
from the next line. Minus 1 because it copies '\n' from the current
line.
while (isspace(bufline[0])) {
bufline++;
+ count--;
}
.
.
.
strncpy(line, bufline, count);
Included patch(against udev-030) contains the above fixes as well as
your fixes.
Signed-off-by: Arun Bhanu <arun@codemovers.org>
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make -j doesnt work with current udev.
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Here is an update for the volume_id callout to catch up to the latest
and greatest:
o It is able to skip the label reading of linux raid members, which are
otherwise recognized as a normal filesystem.
o It reads FAT labels stored in the directory instead of the
superblock (Windows only writes in the directory).
o The NTFS uuid is the right one now.
o It reads all the Apple HFS(+) formats with the labels.
o UFS volumes are recognized but no labels are extracted.
o We use CFLAGS+=-D_FILE_OFFSET_BITS=64 instead of lsee64() which may fix
a bug mentioned on the klibc mailing list.
A lot of other new features are only used in HAL and not needed in this
simple callout. But if someone stumbles over it and want's to send a patch
for some exotic formats, we better keep it up to date :)
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We ran into problems with all the /etc/hotplug.d/ scripts that sleep for
the sysfs files or for other reasons. Anyway, it takes much too much time
before udev is executed.
HAL has its own notifier in /etc/hotplug.d/ and also waits for the
dev.d/events with the same SEQNUM. Sometimes it take 25 seconds between
these two events, cause the other scripts are sleeping too much :)
Attached is a patch that installs the udevsend symlink as
10-udev.hotplug instead of udev.hotplug, to be executed earlier.
[kay@pim udev.kay]$ tree /etc/hotplug.d/
/etc/hotplug.d/
`-- default
|-- 10-udev.hotplug -> /sbin/udevsend
|-- 20-hal.hotplug -> /usr/libexec/hal.hotplug
`-- default.hotplug
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here we change udevd to pass the SEQNUM from the hotplug environment
to udev and the dev.d/ scripts. We need this for HAL to match the
hotplug event with the dev.d/ events.
It also changes the type from int to long to match the kernel.
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Thanks to Martin Schlemmer <azarah@nosferatu.za.org> for the fix.
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On Mon, Jul 12, 2004 at 11:14:28AM -0400, esr@thyrsus.com wrote:
> This is automatically generated email about problems in a man page for which
> you appear to be responsible. If you are not the right person or list, tell
> me and I will attempt to correct my database.
>
> See http://catb.org/~esr/doclifter/problems.html for details on how and
> why these patches were generated. Feel free to email me with any questions.
>
> Note: This patch does not change the mod date of the manual page. You
> may wish to do that by hand.
>
> Problems with udevd.8:
>
> 1. There are multiple name lines. This makes it impossible to translate
> the page to DocBook. It may also confuse some implementations
> of man -k.
>
> --- udevd.8-orig 2004-07-10 06:35:12.032545856 -0400
> +++ udevd.8 2004-07-10 06:36:19.301319448 -0400
> @@ -1,8 +1,6 @@
> .TH UDEVD 8 "February 2004" "" "Linux Administrator's Manual"
> .SH NAME
> -udevd \- udev event serializer daemon
> -.br
> -udevsend \- sends the event to udevd
> +udevd, udevdsend \- udev event serializer daemon and udev event sender
> .SH SYNOPSIS
> --
> Eric S. Raymond
>
Thanks Eric, udevsend.8 is only a symlink to udevd.8, so I attached a
stripped down patch to this mail.
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The attached patch contains a few patches against udev, to remove
use of various XSI:isms and bash:isms, and to change two scripts form
/bin/bash to /bin/sh. None of the bash-scripts in test/ uses any
bash-specific functions as far as I know, but I didn't touch them since
they aren't used runtime.
Rationale:
* Both of the /bin/bash-scripts are totally free from bashisms, hence they
don't need to be /bin/bash; using /bin/sh instead helps (mainly)
embedded-people
* local and source are bash:isms (well, they exist in several other
shells as well, but they aren't part of POSIX or any of its extensions)
* -a in tests is an XSI-extension, not part of strict POSIX, and is
easily replaced by &&
| http://www.opengroup.org/onlinepubs/009695399/utilities/test.html
* Use of fgrep is deprecated in POSIX in favour of grep -F (though fgrep
will remain in use for a long time...)
| http://www.opengroup.org/onlinepubs/009695399/utilities/grep.html
The fgrep-change isn't really necessary, since fgrep can always be
implemented as a shell-script, but the rest of the changes would really
be appreciated.
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Move setting UDEV_NO_SLEEP into main(). I thought about moving
udev_init_config() around, but it still must be invoked in both udev and
udevstart cases, and before udev_hotplug() is called. An alternative
would be to have main() do:
if (is_udevstart) {
... current ...
} else {
udev_init_config();
return udev_hotplug();
}
And move setting UDEV_NO_SLEEP into udev_start(). I can redo it that
way, if you prefer.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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First, update extras/start_udev. udevstart always internally set
UDEV_NO_SLEEP as well as setting the ACTION variable, so that only needs
to be done in the run_udev script case.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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Add microcode rule, remove duplicate rtc and psaux rules,
and order alphabetically.
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Hi,
The following patch makes udev/udevstart be a common binary. First,
doing this grows udev by a total of 1.8kB (ppc32, stripped) whereas
udevstart by itself is 6.4kB. I know you mentioned being able to
replace udevstart with a script, but at 1.8kB I don't think it'll be
easy to beat this with size there. Next, the following are by-eye
timings of before, after, and with devfs on a slow, but still usable
embedded platform (config stripped down to more-or-less bare for
ramdisk):
-- Embedded Planet RPX LITE, 64Mhz MPC 823e --
devfs : 15.333s, 15.253s, 14.988s (15.191s avg)
udev-pristine : 18.675s, 18.079s, 18.418s (18.390s avg)
udev-multi : 14.587s, 14.747s, 14.868s (14.734s avg)
The patch ends up being rather large to add this, as in doing so I ended
up making all refs (that I hit..) to devpath/subsystem be marked as
'const'.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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The following patch adds 'asmlinkage' defines to udev, to kill off 2
warnings on !i386.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
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NAME_SIZE is too small for some configurations. This patch allows more
or longer names, it just keeps the stack in a sane state.
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Should fix the dm startup issues, hopefully...
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