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Date:      Thu, 19 Jan 2006 00:20:52 GMT
From:      Arjan van der Velde <a.vandervelde@xs4all.nl>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/91980: /usr/sbin/rpc.yppasswdd leaves zombie sh processes
Message-ID:  <200601190020.k0J0KqfB075599@www.freebsd.org>
Resent-Message-ID: <200601190030.k0J0U7Kk037707@freefall.freebsd.org>

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>Number:         91980
>Category:       misc
>Synopsis:       /usr/sbin/rpc.yppasswdd leaves zombie sh processes
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jan 19 00:30:07 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Arjan van der Velde
>Release:        6.0-RELEASE-p2 on i386
>Organization:
Mohja
>Environment:
FreeBSD prime 6.0-RELEASE-p2 FreeBSD 6.0-RELEASE-p2 #0: Thu Jan 12 13:38:48 CET 2006     root@prime:/usr/obj/usr/src/sys/noresult-prime-0.2  i386

>Description:
Whenever changing a password the rpc.yppasswdd updates the password correctly, but leaves a process "[sh]" in zombie state. See below.

prime# ps -axj | grep "rpc\.yppasswdd"
root      4437     1  4437  4437    0 Is    ??    0:00.01 /usr/sbin/rpc.yppasswdd -v
prime# ps -axj | grep 4437
root      4437     1  4437  4437    0 Is    ??    0:00.01 /usr/sbin/rpc.yppasswdd -v
root      4440  4437  4437  4437    0 RE    ??    0:00.26 [sh]
root      5042  3826  5041  3796    2 S+    p1    0:00.00 grep 4437
prime#

The sh process cannot be killed. The only solution is to restart rpc.yppasswdd. I'm not sure what the impact of those zombie processes is and as a workaround one could do a periodical restart of the rpc.yppasswdd process.

Thanks,

Regards,

Arjan van der Velde

>How-To-Repeat:
Setup a NIS server and start the rpc.yppasswdd process by turning on the following options in rc.conf:

nisdomainname="nis-domain"
nis_server_enable="YES"
nis_yppasswdd_enable="YES"
nis_client_enable="YES"
nis_client_flags="-S ftaclub-nis,192.168.10.15"
nis_yppasswdd_flags="-v"

in /var/yp there is a master.passwd present containing a selection of user to be served using NIS. The initial NIS maps have been created following the handbook.
>Fix:
Workaround: restart the rpc.yppasswdd process periodically.

>Release-Note:
>Audit-Trail:
>Unformatted:



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