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* udevd going crazy
@ 2009-09-09 23:14 Nick Zeljkovic
  2009-09-09 23:24 ` Kay Sievers
  0 siblings, 1 reply; 2+ messages in thread
From: Nick Zeljkovic @ 2009-09-09 23:14 UTC (permalink / raw)
  To: linux-hotplug

Hello,

I'm experiencing an issue with udev and hotplugging on number of servers I
administer so I'm hoping someone can shed some light on this.  Apparently it
keeps reading /proc/stat over and over again, invoking hundreds of processes
like:
root     22362  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22365  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22367  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22370  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22372  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22373  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22378  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22381  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22382  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22386  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22390  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22395  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22400  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22403  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22407  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22411  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22415  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22420  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22421  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22424  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22427  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22430  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22434  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22438  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22439  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22443  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22447  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22450  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22453  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22457  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids
root     22460  0.0  0.0  2232 1052 ?        S    13:50   0:00 /bin/sh  
/sbin/hotplug uids
root     22467  0.0  0.0  1552  396 ?        S    13:50   0:00  
/etc/hotplug.d/default/20-hal.hotplug uids

Strace for couple of seconds shows following:
http://pastebin.org/16521

/var/log/messages is full of only this:
Sep  6 18:41:13 ki udevd[29080]: udev done!
Sep  6 18:41:16 ki udevd[29080]: udev done!
Sep  6 18:41:18 ki udevd[29080]: udev done!
Sep  6 18:41:18 ki udevd[29080]: udev done!
Sep  6 18:41:19 ki udevd[29080]: udev done!
Sep  6 18:41:22 ki udevd[29080]: udev done!

/proc/stat
# cat /proc/stat
cpu  11458835 600250 4801260 34738235 3061241 17237 1368609 0 0
cpu0 1168306 41683 488778 4863945 285438 634 157006 0 0
cpu1 1150829 43370 487201 4873639 292977 720 157055 0 0
cpu2 1608174 45898 706976 4197142 289228 1409 156841 0 0
cpu3 1616953 44795 705236 4210027 269132 573 158955 0 0
cpu4 1066992 43732 464962 4927574 324869 1108 176520 0 0
cpu5 1146562 43855 491779 4860184 287530 678 175139 0 0
cpu6 2082830 291156 752676 2639122 1045792 11467 182594 0 0
cpu7 1618185 45756 703648 4166599 266270 645 204496 0 0
intr 206548530 43 2 0 5 12 0 0 0 44 0 0 0 7 0 622614 0 0 0 0 0 0 3178 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 13018109 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 209663 34722627
ctxt 349750043
btime 1252449906
processes 10483879
procs_running 3
procs_blocked 7

I'm at loss why is this happening, could it be hardware malfunction of some
kind ? It should be important to note that this happens across multiple
servers (10+) almost daily.

With anticipation,
Nick


^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2009-09-09 23:24 UTC | newest]

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2009-09-09 23:14 udevd going crazy Nick Zeljkovic
2009-09-09 23:24 ` Kay Sievers

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