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2005-04-26[PATCH] Apply the default permissions even if we found a entry inkay.sievers@vrfy.org
2005-04-26[PATCH] add test for format chars in multiple symlinks to replacekay.sievers@vrfy.org
2005-04-26[PATCH] add dumb script to show all sysfs devices in the system.greg@kroah.com
2005-04-26[PATCH] big cleanup of internal udev apikay.sievers@vrfy.org
Here is the first patch to cleanup the internal processing of the various stages of an udev event. It should not change any behavior, but if your system depends on udev, please always test it before reboot :) We pass only one generic structure around between add, remove, namedev, db and dev_d handling and make all relevant data available to all internal stages. All udev structures are renamed to "udev". We replace the fake parameter by a flag in the udev structure. We open the class device in the main binaries and not in udev_add, to make it possible to use libsysfs for udevstart directory crawling. The last sleep parameters are removed.
2005-04-26[PATCH] fix up the wait_for_sysfs_test script a bit.greg@kroah.com
We also emit the same things the -mm tree does now, so to make that easier to test for.
2005-04-26[PATCH] take out & from wait_for_sysfs_test that I previously missed.greg@kroah.com
2005-04-26[PATCH] add wait_for_sysfs test script to the tarball to help people debug ↵greg@kroah.com
their boxes.
2005-04-26[PATCH] fix problems using scsi_id with udevstartkay.sievers@vrfy.org
when udevstart was running we didn't set the environment and the subsystem argument for the callouts the dev.d/ scripts. Here is a fix, that sets that with every udevstart iteration, corrects argv[0] to be the basename() only not the whole path and adds a test for invoking callouts without arguments.
2005-04-26[PATCH] add enum testskay.sievers@vrfy.org
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.
2005-04-26[PATCH] fix udev segfaults with bad permissions filekay.sievers@vrfy.org
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.
2005-04-26[PATCH] add test for ! in partition namegreg@kroah.com
2005-04-26[PATCH] add devd_test script.greg@kroah.com
2005-04-26[PATCH] udevd test scriptkay.sievers@vrfy.org
Thanks to Yin, Hu <hu.yin@intel.com>, who made a nice perl script to test the expected behavior of the udevd sequence number handling. The test sends different SEQNUM sequences to udevd, while analyzing the reordering and timeout handling of udevd.
2005-04-26[PATCH] Added expanded tests to the test framework from Leann Ogasawara ↵greg@kroah.com
<ogasawara@osdl.org>
2005-04-26[PATCH] tweak net_test a bit.greg@kroah.com
2005-04-26[PATCH] make a net_test test script using udevtest.greg@kroah.com
2005-04-26[PATCH] add hotplug.dev script to handle renamed network devices.greg@kroah.com
2005-04-26[PATCH] add a bunch of network class devices to the test sysfs treegreg@kroah.com
2005-04-26[PATCH] netdev - udevdb+dev.d changeskay.sievers@vrfy.org
Here is a patch to change the netdev handling in the database and for the dev.d/ calls. I applies on top of the udevd.patch, cause klibc has no sysinfo(). o netdev's are also put into our database now. I want this for the udevruler gui to get a list of all handled devices. All devices in the db are stamped with the system uptime value at the creation time. 'udevinfo -d' prints it. o the DEVPATH value is the key for udevdb, but if we rename a netdev, the name is replaced in the kernel, so we add the changed name to the db to match with the remove event. NOTE: The dev.d/ scripts still get the original name from the hotplug call. Should we replace DEVPATH with the new name too? o We now only add a device to the db, if we have successfully created the main node or successfully renamed a netdev. This is the main part of the patch, cause I needed to clean the retval passing trough all the functions used for node creation. o DEVNODE sounds a bit ugly for netdev's so I exported DEVNAME too. Can we change the name? o I've added a UDEV_NO_DEVD to possibly skip the script execution and used it in udev-test.pl. udevstart is the same horror now, if you have scripts with logging statements in dev.d/ it takes minutes to finish, can we skip the scripts here too? o The get_device_type() function is changed to be more strict, cause 'udevinfo -a -p /block/' gets a class device for it and tries to print the major/minor values. o bugfix, the RESULT value has now a working newline removal and a test for this case.
2005-04-26[PATCH] hmm, handle net devices with udev?kay.sievers@vrfy.org
Hmm, Arndt Bergmann sent a patch like this one a few weeks ago and I want to bring the question back, if we want to handle net device naming with udev. With this patch it is actually possible to specify something like this in udev.rules: KERNEL="dummy*", SYSFS{address}="00:00:00:00:00:00", SYSFS{features}="0x0", NAME="blind%n" KERNEL="eth*", SYSFS{address}="00:0d:60:77:30:91", NAME="private" and you will get: [root@pim udev.kay]# cat /proc/net/dev Inter-| Receive | Transmit face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed lo: 1500 30 0 0 0 0 0 0 1500 30 0 0 0 0 0 0 private: 278393 1114 0 0 0 0 0 0 153204 1468 0 0 0 0 0 0 sit0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 blind0: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 The udevinfo program is also working: [root@pim udev.kay]# ./udevinfo -a -p /sys/class/net/private looking at class device '/sys/class/net/private': SYSFS{addr_len}="6" SYSFS{address}="00:0d:60:77:30:91" SYSFS{broadcast}="ff:ff:ff:ff:ff:ff" SYSFS{features}="0x3a9" SYSFS{flags}="0x1003" SYSFS{ifindex}="2" SYSFS{iflink}="2" SYSFS{mtu}="1500" SYSFS{tx_queue_len}="1000" SYSFS{type}="1" follow the class device's "device" looking at the device chain at '/sys/devices/pci0000:00/0000:00:1e.0/0000:02:01.0': BUS="pci" ID="0000:02:01.0" SYSFS{class}="0x020000" SYSFS{detach_state}="0" SYSFS{device}="0x101e" SYSFS{irq}="11" SYSFS{subsystem_device}="0x0549" SYSFS{subsystem_vendor}="0x1014" SYSFS{vendor}="0x8086" The matching device will be renamed to the given name. The device name will not be put into the udev database, cause the kernel renames the device and the sysfs name disappears. I like it, cause it plugs in nicely. We have all the naming features and sysfs queries and walks inside of udev. The sysfs timing races are already solved and the management tools are working for net devices too. nameif can only match the MAC address now. udev can match any sysfs value of the device tree the net device is connected to. But right, net devices do not have device nodes :)
2005-04-26[PATCH] udev-test.pl cleanupkay.sievers@vrfy.org
Here is a small name change, so all expected values are named exp_*
2005-04-26[PATCH] add big major tests to udev-test.plgreg@kroah.com
2005-04-26[PATCH] add a test for a minor over 255greg@kroah.com
2005-04-26[PATCH] udev-test.pl: print out major:minor and perm test "ok" if is ok.greg@kroah.com
2005-04-26[PATCH] make perm and major:minor test errors be reported properly.greg@kroah.com
2005-04-26[PATCH] add dev node test to udev-test.plkay.sievers@vrfy.org
> Nice, that's a good start. Now we need to check the major:minor values > too somehow... I better do it immediately, before you put it in the empty TODO :) Patch is a bit big, cause spaces are changed to tabs to get space for the longer names.
2005-04-26[PATCH] add permission testskay.sievers@vrfy.org
> Any chance on being able to add a test for this kind of stuff to the > udev-test.pl script? Sure, not brilliant but seems to work :) Only numeric id's are supported so far.
2005-04-26[PATCH] "symlink only" testkay.sievers@vrfy.org
Here is a test for the "symlink only" rule. Any reason to do the apply_format() inside the loop? I've changed it.
2005-04-26[PATCH] callout part selector tweakkay.sievers@vrfy.org
Martin Schwenke <martin@meltin.net> asked for this feature and posted a patch: The following patch almost let's me have the following configuration: PROGRAM="/sbin/aliaser %b %k %n %M %m", RESULT="?*", NAME="%c{1}", SYMLINK="%c{2+}" allowing me to specify an arbitrary number of symlinks by saying "giveme the second and later words"." Here is the actual version with tests and a few words in the man page.
2005-04-26[PATCH] cleanup callout forkkay.sievers@vrfy.org
Here I change the callout fork logic. The current cersion is unable to read a pipe which is not flushed at once, Now we read until it's closed. The maximum argument count is calculated by the strlen now. We have 100 chars for our result buffer so we can't have more than 50 parameters. So it's much more clear what will happen now and not some magic boundary where we use shell behind it. Parameter can be combined to one by using apostrophes. this on works now: BUS="scsi", PROGRAM="/bin/sh -c 'echo foo3 foo4 foo5 foo6 foo7 foo8 foo9 | sed s/foo9/bar9/'", KERNEL="sda3", NAME="%c{7}" Two new test are also added.
2005-04-26[PATCH] conditional remove of trailing sysfs whitespacekay.sievers@vrfy.org
Hey, it may never happen, that one wants to distinguish attributes by trailing spaces, but we should not lose the control over it, just for being lazy :) Here we remove the trailing spaces of the sysfs attribute only if the configured value to match doesn't have any trailing spaces by itself. So if you put a attribute in a rule with spaces at the end, the sysfs attribute _must_ match exactly. Is that cool for everyone? As usual, 2 tests are added for it with a artificial sysfs file and a few words to the man page.
2005-04-26[PATCH] add tests for NAME="foo-%c{N}"patmans@us.ibm.com
Here is a patch for some new tests.
2005-04-26[PATCH] udev - activate formt length attributekay.sievers@vrfy.org
We carried the the old callout part selector syntax for two releases now after it was replaced by the new %c{1} syntax. So here we remove the old syntax and use the code to possibly specify the maximum count of chars to insert into the string. It will work with all of our format chars. I don't know if somebody will use it, but the code is already there :) 's%3s{vendor}' returns "IBM" now, instead of "IBM-ESXS". Also added is a test for it and a few words in the man page.
2005-04-26[PATCH] remove limit of the number of args passed to PROGRAMgreg@kroah.com
If we go over our internal limit of 7, then we call out to /bin/sh otherwise we handle it ourself without relying on a shell.
2005-04-26[PATCH] add a "old style" SYSFS_attribute test to udev-test.plgreg@kroah.com
2005-04-26[PATCH] udev - switch callout part selector to {attribute}kay.sievers@vrfy.org
Here we change the magic callout part number selector to the new atribute syntax. The syntax to select the second part of the callout string: '%2c' is now '%c{2}' I think it's more clear and we no longer misuse the length argument. The old syntax is still supported, but we should remove it some time in the future.
2005-04-26[PATCH] udev - switch SYSFS_file to SYSFS{file}kay.sievers@vrfy.org
Here we switch the configs and man pages to the new attribute syntax. Also the 'partition trick' is mentioned in udev.8 I think it's more clear visible now, that inside the brackets are user supplied values used and not some magic keys handled: 'SYSFS_dev' is now 'SYSFS{dev}' The old syntax is still supported.
2005-04-26[PATCH] udev add some ID testspatmans@us.ibm.com
Patch against current udev bk to add a few ID rule tests.
2005-04-26[PATCH] udev - create all partitions of blockdevicekay.sievers@vrfy.org
Here is the first try to create all partitons of a blockdevice, since removable media devices may need to acces the expected partition to revalidate the media. It uses the attribute syntax introduced with the last %s{file} patch. I'm using this with my multi-slot-flash-card-reader: SYSFS{model}="USB Storage-SMC ", NAME{all_partitions}="smartmedia" SYSFS{model}="USB Storage-CFC ", NAME{all_partitions}="compactflash" SYSFS{model}="USB Storage-MSC ", NAME{all_partitions}="memorystick" SYSFS{model}="USB Storage-MMC ", NAME{all_partitions}="multimedia" and I get: tree /udev/ /udev/ |-- memorystick |-- memorystick1 |-- memorystick10 |-- memorystick11 |-- memorystick12 |-- memorystick13 |-- memorystick14 |-- memorystick15 |-- memorystick2 |-- memorystick3 |-- memorystick4 |-- memorystick5 |-- memorystick6 |-- memorystick7 |-- memorystick8 |-- memorystick9 |-- multimedia |-- multimedia1 |-- multimedia10 |-- multimedia11 |-- multimedia12 |-- multimedia13 |-- multimedia14 |-- multimedia15 |-- multimedia2 |-- multimedia3 |-- multimedia4 |-- multimedia5 |-- multimedia6 |-- multimedia7 |-- multimedia8 |-- multimedia9 ... If needed, we can make the number of partions to create adjustable with the attribute?
2005-04-26[PATCH] allow SYSFS{file}kay.sievers@vrfy.org
On Sun, Feb 15, 2004 at 03:36:00AM +0100, Kay Sievers wrote: > > Since we have %s{file} it may be nice to allow SYSFS{file}. > This patch allows: > > BUS="usb", SYSFS{idProduct}="a511", NAME="video%n" > > compared to the current: > > BUS="usb", SYSFS_idProduct="a511", NAME="video%n" > > The curent syntax is still supported. > Looks a bit nicer and less hackish, I think. Better patch with infrastructure to easily implement KEY{attribute} for every other key. The first user is the SYSFS{file} key. Both versions, brackets or underscore is supported for the attribute.
2005-04-26[PATCH] Adding '%s' format specifier to NAME and SYMLINKkay.sievers@vrfy.org
On Thu, Feb 12, 2004 at 05:34:57PM -0800, Greg KH wrote: > On Tue, Feb 10, 2004 at 09:14:20AM +0100, Hannes Reinecke wrote: > > Hi all, > > > > this patch makes the format for NAME and SYMLINK a bit more flexible: > > I've added a new format specifier '%s{<SYSFS_var>}', which allows for > > the value of any sysfs entry found for this device to be inserted. > > Example (for our S/390 fcp adapter): > > > > BUS="ccw", SYSFS_devtype="1732/03", NAME="%k" \ > > SYMLINK="zfcp-%s{hba_id}-%s{wwpn}:%s{fcp_lun}" > > > > I know this could also be done with an external program, but having this > > incorporated into udev makes life easier, especially if run from > > initramfs. Plus it makes the rules easier to follow, as the result is > > directly visible and need not to be looked up in some external program. > > > > Comments etc. welcome. > > Oops, sorry I missed this for the 017 release. I'll look at it tomorrow > and get back to you. At first glance it looks like a good thing. > > Oh, you forgot to update the documentation, that's important to do if > you want this change to make it in :) I took a part of the code and made a version that uses already implemented attribute finding logic. The parsing of the format length '%3x' and the '%x{attribute}' is a fuction now, maybe there are more possible users in the future. I've also added the test to udev-test.pl.
2005-04-26[PATCH] Add another test to udev-test.pl and fix a bug when only running 1 test.greg@kroah.com
2005-04-26[PATCH] let udev-test.pl run an individual test if you ask it to.greg@kroah.com
just put the test number on the command line: udev-test.pl 3 will run test number 3 If no test number is specified, all of the tests will be run, just like before.
2005-04-26[PATCH] add a block device with a ! in the name, and a test for this.greg@kroah.com
2005-04-26[PATCH] fix log option code so that it actually works for all udev programs.greg@kroah.com
Also introduce boolean type for config file to use.
2005-04-26[PATCH] convert udevsend/udevd to DGRAM and single-threadedkay.sievers@vrfy.org
On Fri, Feb 06, 2004 at 01:08:24AM -0500, Chris Friesen wrote: > > Kay, you said "unless we can get rid of _all_ the threads or at least > getting faster, I don't want to change it." > > Well how about we get rid of all the threads, *and* we get faster? Yes, we are twice as fast now on my box :) > This patch applies to current bk trees, and does the following: > > 1) Switch to DGRAM sockets rather than STREAM. This simplifies things > as mentioned in the previous message. > > 2) Invalid sequence numbers are mapped to -1 rather than zero, since > zero is a valid sequence number (I think). Also, this allows for real > speed tests using scripts starting at a zero sequence number, since that > is what the initial expected sequence number is. > > 3) Get rid of all threading. This is the biggie. Some highlights: > a) timeout using setitimer() and SIGALRM > b) async child death notification via SIGCHLD > c) these two signal handlers do nothing but raise volatile flags, > all the > work is done in the main loop > d) locking no longer required I cleaned up the rest of the comments, the whitespace and a few names to match the whole thing. Please recheck it. Test script is switched to work on subsystem 'test' to let udev ignore it.
2005-04-26[PATCH] udevd - cleanup and better timeout handlingkay.sievers@vrfy.org
On Thu, Jan 29, 2004 at 04:55:11PM +0100, Kay Sievers wrote: > On Thu, Jan 29, 2004 at 02:56:25AM +0100, Kay Sievers wrote: > > On Wed, Jan 28, 2004 at 10:47:36PM +0100, Kay Sievers wrote: > > > Oh, couldn't resist to try threads. > > > It's a multithreaded udevd that communicates through a localhost socket. > > > The message includes a magic with the udev version, so we don't accept > > > older udevsend's. > > > > > > No need for locking, cause we can't bind two sockets on the same address. > > > The daemon tries to connect and if it fails it starts the daemon. > > > > > > We create a thread for every incoming connection, handle over the socket, > > > sort the messages in the global message queue and exit the thread. > > > Huh, that was easy with threads :) > > > > > > With the addition of a message we wakeup the queue manager thread and > > > handle timeouts or move the message to the global exec list. This wakes > > > up the exec list manager who looks if a process is already running for this > > > device path. > > > If yes, the exec is delayed otherwise we create a thread that execs udev. > > > n the background. With the return of udev we free the message and wakeup > > > the exec list manager to look if something is pending. > > > > > > It is just a quick shot, cause I couldn't solve the problems with fork an > > > scheduling and I wanted to see if I'm to stupid :) > > > But if anybody with a better idea or more experience with I/O scheduling > > > we may go another way. The remaining problem is that klibc doesn't support > > > threads. > > > > > > By now, we don't exec anything, it's just a sleep 3 for every exec, > > > but you can see the queue management by watching syslog and do: > > > > > > DEVPATH=/abc ACTION=add SEQNUM=0 ./udevsend /abc > > Next version, switched to unix domain sockets. Next cleaned up version. Hey, nobody wants to try it :) Works for me, It's funny if I connect/disconnect my 4in1-usb-flash-reader every two seconds. The 2.6 usb rocks! I can connect/diconnect a hub with 3 devices plugged in every second and don't run into any problem but a _very_ big udevd queue.
2005-04-26[PATCH] udevd - next round of fixeskay.sievers@vrfy.org
Here is the next round. We have three queues now. All incoming messages are queued in msg_list and if nothing is missing we move it to the running_list and exec in the background. If the exec comes back, it removes the message from the running_list and frees the message. Before we exec, we check the running_list if there is a udev running on the same device path. If yes, we move the message to the delay_list. If the former exec comes back, we move the message to the running_list and exec it. The very first event is delayed now to catch possible earlier sequences, every following event is executed without delay if no sequence is missing. The daemon doesn't exit by itself any longer, cause we don't want to delay every first exec. I've put a $(PWD) for now in the Makefile for testing this beast. Only the local binaries are executed, not the /sbin/udev. We can change it if we are ready for real testing. And SIGKILL can't be cought, so I removed it from the handler :) 06:58:36 sig_handler: caught signal 15 06:58:36 main: using ipc queue 0x2d548 06:58:37 message is still in the ipc queue, starting daemon... 06:58:37 work: received sequence 3, expected sequence 0 06:58:37 msg_dump_queue: sequence 3 in queue 06:58:37 set_timeout: set timeout in 1 seconds 06:58:37 main: using ipc queue 0x2d548 06:58:37 main: using ipc queue 0x2d548 06:58:37 work: received sequence 1, expected sequence 1 06:58:37 msg_dump_queue: sequence 1 in queue 06:58:37 msg_dump_queue: sequence 3 in queue 06:58:37 msg_dump: sequence 1, 'add', '/block/sda', 'block' 06:58:37 msg_exec: child [8038] created 06:58:37 running_moveto_queue: move sequence 1 [8038] to running queue '/block/sda' 06:58:37 set_timeout: set timeout in 5 seconds 06:58:37 work: received sequence 2, expected sequence 2 06:58:37 msg_dump_queue: sequence 2 in queue 06:58:37 msg_dump_queue: sequence 3 in queue 06:58:37 msg_dump: sequence 2, 'add', '/block/sdb', 'block' 06:58:37 msg_exec: child [8039] created 06:58:37 running_moveto_queue: move sequence 2 [8039] to running queue '/block/sdb' 06:58:37 msg_dump: sequence 3, 'add', '/block/sdc', 'block' 06:58:37 msg_exec: child [8040] created 06:58:37 running_moveto_queue: move sequence 3 [8040] to running queue '/block/sdc' 06:58:37 main: using ipc queue 0x2d548 06:58:37 main: using ipc queue 0x2d548 06:58:37 work: received sequence 4, expected sequence 4 06:58:37 msg_dump_queue: sequence 4 in queue 06:58:37 msg_dump: sequence 4, 'remove', '/block/sdc', 'block' 06:58:37 msg_exec: delay exec of sequence 4, [8040] already working on '/block/sdc' 06:58:37 delayed_moveto_queue: move event to delayed queue '/block/sdc' 06:58:37 msg_exec: child [8043] created 06:58:37 running_moveto_queue: move sequence 4 [8043] to running queue '/block/sdc' 06:58:37 work: received sequence 5, expected sequence 5 06:58:37 msg_dump_queue: sequence 5 in queue 06:58:37 msg_dump: sequence 5, 'remove', '/block/sdb', 'block' 06:58:37 msg_exec: delay exec of sequence 5, [8039] already working on '/block/sdb' 06:58:37 delayed_moveto_queue: move event to delayed queue '/block/sdb' 06:58:37 msg_exec: child [8044] created 06:58:37 running_moveto_queue: move sequence 5 [8044] to running queue '/block/sdb' 06:58:37 main: using ipc queue 0x2d548 06:58:37 main: using ipc queue 0x2d548 06:58:37 work: received sequence 8, expected sequence 6 06:58:37 msg_dump_queue: sequence 8 in queue 06:58:37 set_timeout: set timeout in 5 seconds 06:58:37 work: received sequence 6, expected sequence 6 06:58:37 msg_dump_queue: sequence 6 in queue 06:58:37 msg_dump_queue: sequence 8 in queue 06:58:37 msg_dump: sequence 6, 'remove', '/block/sda', 'block' 06:58:37 msg_exec: delay exec of sequence 6, [8038] already working on '/block/sda' 06:58:37 delayed_moveto_queue: move event to delayed queue '/block/sda' 06:58:37 msg_exec: child [8047] created 06:58:37 running_moveto_queue: move sequence 6 [8047] to running queue '/block/sda' 06:58:37 set_timeout: set timeout in 5 seconds 06:58:38 sig_handler: caught signal 17 06:58:38 sig_handler: exec finished, pid 8038 06:58:38 set_timeout: set timeout in 4 seconds 06:58:38 msg_dump_queue: sequence 8 in queue 06:58:38 sig_handler: caught signal 17 06:58:38 sig_handler: exec finished, pid 8039 06:58:38 set_timeout: set timeout in 4 seconds 06:58:38 msg_dump_queue: sequence 8 in queue 06:58:38 sig_handler: caught signal 17 06:58:38 sig_handler: exec finished, pid 8040 06:58:38 set_timeout: set timeout in 4 seconds 06:58:38 msg_dump_queue: sequence 8 in queue 06:58:38 sig_handler: caught signal 17 06:58:38 sig_handler: exec finished, pid 8043 06:58:38 set_timeout: set timeout in 4 seconds 06:58:38 msg_dump_queue: sequence 8 in queue 06:58:38 sig_handler: caught signal 17 06:58:38 sig_handler: exec finished, pid 8044 06:58:38 set_timeout: set timeout in 4 seconds 06:58:38 msg_dump_queue: sequence 8 in queue 06:58:38 sig_handler: caught signal 17 06:58:38 sig_handler: exec finished, pid 8047 06:58:38 set_timeout: set timeout in 4 seconds 06:58:38 msg_dump_queue: sequence 8 in queue 06:58:39 main: using ipc queue 0x2d548 06:58:39 main: using ipc queue 0x2d548 06:58:39 work: received sequence 9, expected sequence 7 06:58:39 msg_dump_queue: sequence 8 in queue 06:58:39 msg_dump_queue: sequence 9 in queue 06:58:39 set_timeout: set timeout in 3 seconds 06:58:39 work: received sequence 11, expected sequence 7 06:58:39 msg_dump_queue: sequence 8 in queue 06:58:39 msg_dump_queue: sequence 9 in queue 06:58:39 msg_dump_queue: sequence 11 in queue 06:58:39 set_timeout: set timeout in 3 seconds 06:58:39 main: using ipc queue 0x2d548 06:58:39 work: received sequence 10, expected sequence 7 06:58:39 msg_dump_queue: sequence 8 in queue 06:58:39 msg_dump_queue: sequence 9 in queue 06:58:39 msg_dump_queue: sequence 10 in queue 06:58:39 msg_dump_queue: sequence 11 in queue 06:58:39 set_timeout: set timeout in 3 seconds 06:58:39 main: using ipc queue 0x2d548 06:58:39 work: received sequence 13, expected sequence 7 06:58:39 msg_dump_queue: sequence 8 in queue 06:58:39 msg_dump_queue: sequence 9 in queue 06:58:39 msg_dump_queue: sequence 10 in queue 06:58:39 msg_dump_queue: sequence 11 in queue 06:58:39 msg_dump_queue: sequence 13 in queue 06:58:39 set_timeout: set timeout in 3 seconds 06:58:39 main: using ipc queue 0x2d548 06:58:39 work: received sequence 14, expected sequence 7 06:58:39 msg_dump_queue: sequence 8 in queue 06:58:39 msg_dump_queue: sequence 9 in queue 06:58:39 msg_dump_queue: sequence 10 in queue 06:58:39 msg_dump_queue: sequence 11 in queue 06:58:39 msg_dump_queue: sequence 13 in queue 06:58:39 msg_dump_queue: sequence 14 in queue 06:58:39 set_timeout: set timeout in 3 seconds 06:58:39 main: using ipc queue 0x2d548 06:58:39 work: received sequence 15, expected sequence 7 06:58:39 msg_dump_queue: sequence 8 in queue 06:58:39 msg_dump_queue: sequence 9 in queue 06:58:39 msg_dump_queue: sequence 10 in queue 06:58:39 msg_dump_queue: sequence 11 in queue 06:58:39 msg_dump_queue: sequence 13 in queue 06:58:39 msg_dump_queue: sequence 14 in queue 06:58:39 msg_dump_queue: sequence 15 in queue 06:58:39 set_timeout: set timeout in 3 seconds 06:58:41 main: using ipc queue 0x2d548 06:58:41 work: received sequence 12, expected sequence 7 06:58:41 msg_dump_queue: sequence 8 in queue 06:58:41 msg_dump_queue: sequence 9 in queue 06:58:41 msg_dump_queue: sequence 10 in queue 06:58:41 msg_dump_queue: sequence 11 in queue 06:58:41 msg_dump_queue: sequence 12 in queue 06:58:41 msg_dump_queue: sequence 13 in queue 06:58:41 msg_dump_queue: sequence 14 in queue 06:58:41 msg_dump_queue: sequence 15 in queue 06:58:41 set_timeout: set timeout in 1 seconds 06:58:42 sig_handler: caught signal 14 06:58:42 sig_handler: event timeout reached 06:58:42 event 8, age 5 seconds, skip event 7-7 06:58:42 msg_dump: sequence 8, 'add', '/block/sdb', 'block' 06:58:42 msg_exec: child [8057] created 06:58:42 running_moveto_queue: move sequence 8 [8057] to running queue '/block/sdb' 06:58:42 msg_dump: sequence 9, 'add', '/block/sdc', 'block' 06:58:42 msg_exec: child [8058] created 06:58:42 running_moveto_queue: move sequence 9 [8058] to running queue '/block/sdc' 06:58:42 msg_dump: sequence 10, 'remove', '/block/sdc', 'block' 06:58:42 msg_exec: delay exec of sequence 10, [8058] already working on '/block/sdc' 06:58:42 delayed_moveto_queue: move event to delayed queue '/block/sdc' 06:58:42 msg_exec: child [8059] created 06:58:42 running_moveto_queue: move sequence 10 [8059] to running queue '/block/sdc' 06:58:42 msg_dump: sequence 11, 'remove', '/block/sdb', 'block' 06:58:42 msg_exec: delay exec of sequence 11, [8057] already working on '/block/sdb' 06:58:42 delayed_moveto_queue: move event to delayed queue '/block/sdb' 06:58:42 msg_exec: child [8060] created 06:58:42 running_moveto_queue: move sequence 11 [8060] to running queue '/block/sdb' 06:58:42 msg_dump: sequence 12, 'remove', '/block/sda', 'block' 06:58:42 msg_exec: child [8061] created 06:58:42 running_moveto_queue: move sequence 12 [8061] to running queue '/block/sda' 06:58:42 msg_dump: sequence 13, 'add', '/block/sda', 'block' 06:58:42 msg_exec: delay exec of sequence 13, [8061] already working on '/block/sda' 06:58:42 delayed_moveto_queue: move event to delayed queue '/block/sda' 06:58:42 msg_exec: child [8062] created 06:58:42 running_moveto_queue: move sequence 13 [8062] to running queue '/block/sda' 06:58:42 msg_dump: sequence 14, 'add', '/block/sdb', 'block' 06:58:42 msg_exec: delay exec of sequence 14, [8057] already working on '/block/sdb' 06:58:42 delayed_moveto_queue: move event to delayed queue '/block/sdb' 06:58:42 msg_exec: child [8063] created 06:58:42 running_moveto_queue: move sequence 14 [8063] to running queue '/block/sdb' 06:58:42 msg_dump: sequence 15, 'add', '/block/sdc', 'block' 06:58:42 msg_exec: delay exec of sequence 15, [8058] already working on '/block/sdc' 06:58:42 delayed_moveto_queue: move event to delayed queue '/block/sdc' 06:58:42 msg_exec: child [8064] created 06:58:42 running_moveto_queue: move sequence 15 [8064] to running queue '/block/sdc' 06:58:43 sig_handler: caught signal 17 06:58:43 sig_handler: exec finished, pid 8057 06:58:43 sig_handler: exec finished, pid 8058 06:58:43 sig_handler: caught signal 17 06:58:43 sig_handler: exec finished, pid 8059 06:58:43 sig_handler: caught signal 17 06:58:43 sig_handler: exec finished, pid 8060 06:58:43 sig_handler: exec finished, pid 8061 06:58:43 sig_handler: caught signal 17 06:58:43 sig_handler: exec finished, pid 8062 06:58:43 sig_handler: caught signal 17 06:58:43 sig_handler: exec finished, pid 8063 06:58:43 sig_handler: caught signal 17 06:58:43 sig_handler: exec finished, pid 8064
2005-04-26[PATCH] new testd.block script for debugging.greg@kroah.com
2005-04-26[PATCH] udev - next round of udev event order daemonkay.sievers@vrfy.org
Here is the next round of udevd/udevsend: udevsend - If the IPC message we send is not catched by a receiver we fork the udevd daemon to process this and the following events udevd - We reorder the events we receive and execute our current udev for every event. If one or more events are missing, we wait 10 seconds and then go ahead in the queue. If the queue is empty and we don't receive any event for the next 30 seconds, the daemon exits. The next incoming event will fork the daemon again. config - The path's to the executable are specified in udevd.h Now they are pointing to the current directory only. I don't like daemons hiding secrets (and mem leaks :)) inside, so I want to try this model. It should be enough logic to get all possible hotplug events executed in the right order. If no event, then no daemon! So everybody should be happy :) Here we see: 1. the daemon fork, 2. the udev work, 3. the 10 sec timeout and the skipped events, 4. the udev work, ..., 5. and the 30 sec timeout and exit. EVENTS: pim:/home/kay/src/udev.kay# test/udevd_test.sh pim:/home/kay/src/udev.kay# SEQNUM=15 ./udevsend block pim:/home/kay/src/udev.kay# SEQNUM=16 ./udevsend block pim:/home/kay/src/udev.kay# SEQNUM=17 ./udevsend block pim:/home/kay/src/udev.kay# SEQNUM=18 ./udevsend block pim:/home/kay/src/udev.kay# SEQNUM=20 ./udevsend block pim:/home/kay/src/udev.kay# SEQNUM=21 ./udevsend block LOG: Jan 23 15:35:35 pim udev[11795]: message is still in the ipc queue, starting daemon... Jan 23 15:35:35 pim udev[11799]: configured rule in '/etc/udev/udev.rules' at line 19 applied, 'sda' becomes '%k-flash' Jan 23 15:35:35 pim udev[11799]: creating device node '/udev/sda-flash' Jan 23 15:35:35 pim udev[11800]: creating device node '/udev/sdb' Jan 23 15:35:35 pim udev[11804]: creating device node '/udev/sdc' Jan 23 15:35:35 pim udev[11805]: removing device node '/udev/sda-flash' Jan 23 15:35:35 pim udev[11808]: removing device node '/udev/sdb' Jan 23 15:35:35 pim udev[11809]: removing device node '/udev/sdc' Jan 23 15:35:45 pim udev[11797]: timeout reached, skip events 7 - 7 Jan 23 15:35:45 pim udev[11811]: creating device node '/udev/sdb' Jan 23 15:35:45 pim udev[11812]: creating device node '/udev/sdc' Jan 23 15:36:01 pim udev[11797]: timeout reached, skip events 10 - 14 Jan 23 15:36:01 pim udev[11814]: creating device node '/udev/sdc' Jan 23 15:36:04 pim udev[11816]: creating device node '/udev/sdc' Jan 23 15:36:12 pim udev[11818]: creating device node '/udev/sdc' Jan 23 15:36:16 pim udev[11820]: creating device node '/udev/sdc' Jan 23 15:36:38 pim udev[11797]: timeout reached, skip events 19 - 19 Jan 23 15:36:38 pim udev[11823]: creating device node '/udev/sdc' Jan 23 15:36:38 pim udev[11824]: creating device node '/udev/sdc' Jan 23 15:37:08 pim udev[11797]: we have nothing to do, so daemon exits...