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Bug 1001870 - when rpc.mountd start fail and exit, rpcinfo still display that the mountd registered
Summary: when rpc.mountd start fail and exit, rpcinfo still display that the mountd re...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: nfs-utils
Version: 6.4
Hardware: All
OS: Linux
high
medium
Target Milestone: rc
: ---
Assignee: Steve Dickson
QA Contact: Yongcheng Yang
URL:
Whiteboard:
Depends On:
Blocks: 1001873
TreeView+ depends on / blocked
 
Reported: 2013-08-28 02:40 UTC by JianHong Yin
Modified: 2016-03-28 19:06 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
: 1001873 (view as bug list)
Environment:
Last Closed: 2016-03-28 19:06:02 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description JianHong Yin 2013-08-28 02:40:56 UTC 
Description of problem:
when rpc.mountd start fail and exit, rpcinfo still display that the mountd registered. we think before exit should unregister the mountd.

Version-Release number of selected component (if applicable):
versions in RHEL6.4 RHEL7.0

How reproducible:
always

Steps to Reproduce:
1. use the follow code 
2.
3.
service rpcbind restart || service portmap restart
case $(lsb_release -sr) in 5.*) max=1;; 6.*) max=19;; 7.*) max=10;; esac
rpc.mountd -o $max
ps axf | grep -v grep | grep rpc.mountd
rpcinfo -p | grep -w mountd
netstat -utap | grep rpc.mountd

Actual results:
[root@dhcp-13-188 ~]# case $(lsb_release -sr) in 5.*) max=1;; 6.*) max=19;; 7.*) max=10;; esac
[root@dhcp-13-188 ~]# rpc.mountd -o $max
[root@dhcp-13-188 ~]# ps axf | grep -v grep | grep rpc.mountd
[root@dhcp-13-188 ~]# rpcinfo -p | grep -w mountd
    100005    1   udp  57506  mountd
    100005    1   tcp  35168  mountd
    100005    2   udp  46125  mountd
    100005    2   tcp  52789  mountd
    100005    3   udp  57868  mountd
    100005    3   tcp  38658  mountd
[root@dhcp-13-188 ~]# netstat -utap | grep rpc.mountd
[root@dhcp-13-188 ~]# 


Expected results:
[root@dhcp-13-188 ~]# case $(lsb_release -sr) in 5.*) max=1;; 6.*) max=19;; 7.*) max=10;; esac
[root@dhcp-13-188 ~]# rpc.mountd -o $max
[root@dhcp-13-188 ~]# ps axf | grep -v grep | grep rpc.mountd
[root@dhcp-13-188 ~]# rpcinfo -p | grep -w mountd
[root@dhcp-13-188 ~]# netstat -utap | grep rpc.mountd
[root@dhcp-13-188 ~]# 


Additional info:
Comment 2 RHEL Program Management 2013-10-14 02:32:10 UTC 
This request was not resolved in time for the current release.
Red Hat invites you to ask your support representative to
propose this request, if still desired, for consideration in
the next release of Red Hat Enterprise Linux.
Comment 4 Steve Dickson 2016-03-28 19:06:02 UTC 
(In reply to Yongcheng Yang from comment #3)
> This issue still exist in latest nfs-utils-1.2.3-68.el6
> 
> [root@hp-dl380eg8-03 ~]# service rpcbind restart
> Stopping rpcbind: [  OK  ]
> Starting rpcbind: [  OK  ]
> [root@hp-dl380eg8-03 ~]# rpm -q nfs-utils
> nfs-utils-1.2.3-68.el6.x86_64
> [root@hp-dl380eg8-03 ~]# pkill rpc.mountd
> [root@hp-dl380eg8-03 ~]# ps axf | grep -v grep | grep rpc.mountd
> [root@hp-dl380eg8-03 ~]# rpcinfo -p | grep -w mountd
> [root@hp-dl380eg8-03 ~]# rpc.mountd --descriptors 19
> [root@hp-dl380eg8-03 ~]# echo $?
> 1
> [root@hp-dl380eg8-03 ~]# ps axf | grep -v grep | grep rpc.mountd
> [root@hp-dl380eg8-03 ~]# rpcinfo -p | grep -w mountd
>     100005    1   udp  57332  mountd
>     100005    1   tcp  48976  mountd
>     100005    2   udp  56858  mountd
>     100005    2   tcp  33371  mountd
>     100005    3   udp  50663  mountd
>     100005    3   tcp  59799  mountd
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ these should not been showed up

The reason those entries are not being unset is because the
--descriptors 19 cause the daemon to run out of file descriptors
which means no more connections (to rpcbind) can be set up.

using --descriptors 20 works just fine... This is self-induced not a bug! ;-)
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