Date: Thu, 26 Jan 2012 18:48:29 GMT From: Eugen Konkov <kes-kes@yandex.ru> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/164526: 'kill' can not kill process despite on -KILL Message-ID: <201201261848.q0QImTYE087047@red.freebsd.org> Resent-Message-ID: <201201261850.q0QIo69n056235@freefall.freebsd.org>
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>Number: 164526
>Category: misc
>Synopsis: 'kill' can not kill process despite on -KILL
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Jan 26 18:50:06 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator: Eugen Konkov
>Release: 9.0-CURRENT
>Organization:
ISP FreeLine
>Environment:
# uname -a
FreeBSD 9.0-CURRENT FreeBSD 9.0-CURRENT #4: Fri Jun 10 01:30:12 UTC 2011 :/usr/obj/usr/src/sys/PAE_KES i386
>Description:
man kill
.....
Some of the more commonly used signals:
.....
9 KILL (non-catchable, non-ignorable kill)
Standart tool do not do its job. It can not stop/kill processes.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
>> # ps ax|grep rad
>> 45471 ?? T<Ls 263:35.44 /usr/local/sbin/radiusd
>> 26473 1 S+ 0:00.00 grep rad
>> # date
>> Fri Jan 20 23:20:28 UTC 2012
>> # kill -KILL 45471
>> # date
>> Fri Jan 20 23:20:41 UTC 2012
>> # kill -KILL 45471
>> # date
>> Fri Jan 20 23:20:54 UTC 2012
>> # kill -KILL 45471
>>
>>
>> top
>> 9 root 16 - 0K 8K syncer 2 7:12 0.00% syncer
>> 45471 freeradius 20 -20 311M 283M STOP 0 3:38 0.00% {radiusd}
>> 49114 root 21 0 10460K 4240K select 0 2:43 0.00% zebra
# date
Thu Jan 26 20:45:17 UTC 2012
# ps ax | grep rad
45471 ?? T<Ls 263:35.44 /usr/local/sbin/radiusd
22879 1 R+ 0:00.00 grep rad
#top
last pid: 23814; load averages: 4.83, 5.42, 5.37 up 15+04:54:35 20:46:28
242 processes: 10 running, 211 sleeping, 3 stopped, 17 waiting, 1 lock
CPU 0: 3.4% user, 0.0% nice, 20.7% system, 55.2% interrupt, 20.7% idle
CPU 1: 12.1% user, 0.0% nice, 10.3% system, 58.6% interrupt, 19.0% idle
CPU 2: 3.4% user, 0.0% nice, 8.6% system, 62.1% interrupt, 25.9% idle
CPU 3: 1.7% user, 0.0% nice, 5.2% system, 75.9% interrupt, 17.2% idle
Mem: 842M Active, 2509M Inact, 335M Wired, 151M Cache, 112M Buf, 61M Free
Swap: 4096M Total, 103M Used, 3993M Free, 2% Inuse
........
45471 freeradius 20 -20 311M 197M STOP 3 1:52 0.00% {radiusd}
if radiusd is locked, how to kill locked process???
if 'kill -KILL' is non-catchable and non-ignorable kill,
allow 'kill -KILL' to kill locked processes.
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