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Re: shutdown is taking more than about 15 minutes

 
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Wouter Jagers
Honored Contributor

Re: shutdown is taking more than about 15 minutes

ok, no recent redhat.

We're really going to need more info on your machine. The linux distribution you're running as well as the software are important to know in case of problems.

Cheers,
Wout
an engineer's aim in a discussion is not to persuade, but to clarify.
Paul McCleary
Honored Contributor

Re: shutdown is taking more than about 15 minutes

What distribution are you using and how up to date is it?

Seems like you could be having a problem with NFS.

Can you replicate the same delay you have by just stopping NFS instead of running a shutdown?

Re: shutdown is taking more than about 15 minutes

Hey I don't think I am using any of NFS file systems
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ii hpocconfiguration 3.2.rsc.4.1-1 HP OpenCall Configuration software
ii hpocha 3.2.rsc.4.1-1 HP OpenCall High-availability software
ii hpoclinux-wrapper 3.2.rsc.4.1-1 HP OpenCall OS Run-Time Environment
ii hpocnettl 3.2.rsc.4.1-1 HP OpenCall Network Tracing and Logging software
ii hpocoe-base-runtime 3.0-1.hpte Runtime bundle (task) package for HP OpenCall products
ii hpocrsc 3.2.rsc.4.1-3 HP OpenCall software
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ii hpocss7 3.2.rsc.4.1-1 HP OpenCall SS7 software
ii hpocss7-hw-enabled 3.2.rsc.4.1-1 HP OpenCall SS7 HW enabled software
ii hpocss7-hw-mgtlib 3.2.rsc.4.1-1 HP OpenCall SS7 Hardware Management Libs Package
ii hpocss7-hw-rmon 3.2.rsc.4.1-1 HP OpenCall SS7 HW enabled Stack Monitoring software
ii hpocss7drivers-source 3.2.rsc.4.1-1 HP OpenCall RSC Driver Source Package
ii hpocss7drivers-user-spac 3.2.rsc.4.1-2 HP OpenCall SS7 Hardware Package
ii hpocsupportability 3.2.rsc.4.1-1 HP OpenCall Supportability software
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ii info 4.7-2.2sarge2 Standalone GNU Info documentation browser
ii initrd-tools 0.1.81.1 tools to create initrd image for prepackaged Linux kernel
ii initscripts 2.86.ds1-1 Standard scripts needed for booting and shutting down
ii ipchains 1.3.10-15 Network firewalling for Linux 2.2.x
ii ipmasqadm 0.4.2-2 Utility for configuring extra masquerading functionality
ii iproute 20041019-3 Professional tools to control the networking in Linux kernels
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ii less 382-1 Pager program similar to more
ii libacl1 2.2.23-1 Access control list shared library
ii libappconfig-perl 1.56-2 Perl module for configuration file and command line handling
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ii libblkid1 1.37-2sarge1 block device id library
ii libbz2-1.0 1.0.2-7 high-quality block-sorting file compressor library - runtime
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ii libcomerr2 1.37-2sarge1 common error description library
ii libconsole 0.2.3dbs-56 Shared libraries for Linux console and font manipulation
ii libdb1-compat 2.1.3-7 The Berkeley database routines [glibc 2.0/2.1 compatibility]
ii libdb2 2.7.7.0-9 The Berkeley database routines (run-time files)
ii libdb3 3.2.9+dfsg-0.0hpde1 Berkeley v3 Database Libraries [runtime]
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ii libdevel-stacktrace-perl 1.11-1 Stack trace and stack trace frame objects
ii libdevmapper1.01 1.01.00-4sarge1 The Linux Kernel Device Mapper userspace library
ii libdns16 9.2.4-1sarge3 DNS Shared Library used by BIND
ii libdps1 4.3.0.dfsg.1-14sarge4 Display PostScript (DPS) client library
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ii libsemaphore-dev 0.1-4 posix-1b semaphore development library
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ii libss2 1.37-2sarge1 command-line interface parsing library
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ii libxft1 4.3.0.dfsg.1-14sarge4 FreeType-based font drawing library for X (version 1)
ii libxft2 2.1.7-1 FreeType-based font drawing library for X
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ii libxml2 2.6.16-7 GNOME XML library
ii libxml2-dev 2.6.16-7 Development files for the GNOME XML library
ii libxmu6 4.3.0.dfsg.1-14sarge4 X Window System miscellaneous utility library
ii libxmuu1 4.3.0.dfsg.1-14sarge4 lightweight X Window System miscellaneous utility library
ii libxp6 4.3.0.dfsg.1-14sarge4 X Window System printing extension library
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ii libxrender1 0.8.3-7 X Rendering Extension client library
ii libxslt1.1 1.1.12-8 XSLT processing library - runtime library
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ii libxtrap6 4.3.0.dfsg.1-14sarge4 X Window System protocol-trapping extension library
ii libxtst6 4.3.0.dfsg.1-14sarge4 X Window System event recording and testing extension library
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ii linux-kernel-headers 2.5.999-test7-bk-17hpde1 Linux Kernel Headers for development
ii lksctp-tools 1.0.2-1hpde3 user-space access to Linux Kernel SCTP - commandline tools
ii locales 2.3.2.ds1-22sarge6hpde1 GNU C Library: National Language (locale) data [support]
ii login 4.0.3-31sarge9 system login tools
ii logrotate 3.7-5 Log rotation utility
ii lsb-release 1.4-8 LSB release command
ii lsof 4.74.dfsg.3-2 List open files.
ii lvm-common 1.5.17 The Logical Volume Manager for Linux (common files)
ii lvm2 2.01.04-5hpde1 The Linux Logical Volume Manager
ii m4 1.4.2-1 a macro processing language
ii make 3.80-9 The GNU version of the "make" utility.
ii makedev 2.3.1-77 creates device files in /dev
ii man-db 2.4.2-21sarge1 The on-line manual pager
ii manpages 1.70-1 Manual pages about using a GNU/Linux system
ii manpages-dev 1.70-1 Manual pages about using GNU/Linux for development
ii mawk 1.3.3-11 a pattern scanning and text processing language
ii mdadm 1.9.0-4sarge1 Manage MD devices aka Linux Software Raid
ii mii-diag 2.09-1 A little tool to manipulate network cards
ii minicom 2.1-9 friendly menu driven serial communication program
ii mkisofs 2.01+01a01-2 Creates ISO-9660 CD-ROM filesystem images
ii mm2-aaa-os-configuration 22.00.032 OS Configuration package
ii mm2-fgtod 22.00.032 SCP Fast Get Time Of Day library
ii mm2-firmware 22.00.032 firmware upgrade for rx2600 and cx2600
ii mm2-ha 22.00.032 SCP team high availability software
ii mm2-pt 22.00.032 Common controller platform applications and utilities
ii modconf 0.2.48 Device Driver Configuration
ii module-init-tools 3.2-pre1-2 tools for managing Linux kernel modules
ii modutils 2.4.26-1.2 Linux module utilities
ii mount 2.12p-4sarge1 Tools for mounting and manipulating filesystems
ii mpack 1.6-1 tools for encoding/decoding MIME messages
ii mtools 3.9.9-2.1 Tools for manipulating MSDOS files
ii mtr-tiny 0.67-1 Full screen ncurses traceroute tool
ii nano 1.2.4-5 free Pico clone with some new features
ii ncurses-base 5.4-4 Descriptions of common terminal types
ii ncurses-bin 5.4-4 Terminal-related programs and man pages
ii ncurses-term 5.4-4 Additional terminal type definitions
ii net-tools 1.60hpde-10-2 The NET-3 networking toolkit
ii netbase 4.21 Basic TCP/IP networking system
ii netkit-inetd 0.10-10 The Internet Superserver
ii nfs-common 1.0.6-3.1 NFS support files common to client and server
ii nfs-kernel-server 1.0.6-3.1 Kernel NFS server support
ii nscd 2.3.2.ds1-22sarge6hpde1 GNU C Library: Name Service Cache Daemon
ii ntp 4.2.0a+stable-2sarge1 Network Time Protocol: network utilities
ii ntp-refclock 4.2.0a+stable-2sarge1 Network Time Protocol: daemon for reference clocks
ii ntp-server 4.2.0a+stable-2sarge1 Network Time Protocol: common server tools
ii ntpdate 4.2.0a+stable-2sarge1 The ntpdate client for setting system time from NTP servers
ii nvi 1.79-22 4.4BSD re-implementation of vi
ii omni K269.02SP5EECNK.OMNI.ECN Signalware System
ii omni-a3 K269.02SP5EECNK.OMNIA3.E Signalware ANSI SS7 MTP Drivers
ii omni-a4 K269.02SP5EECNK.OMNIA4.E Signalware ANSI SS7 SCCP and TCAP Drivers
ii omni-a4s K269.02SP5EECNK.OMNIA4S. Signalware ANSI SCCP User Adaptation Layer Drivers
ii omni-c3 K269.02SP5EECNK.OMNIC3.E Signalware ITU SS7 MTP Drivers
ii omni-c4 K269.02SP5EECNK.OMNIC4.E Signalware ITU SS7 SCCP and TCAP Drivers
ii omni-c4s K269.02SP5EECNK.OMNIC4S. Signalware ITU SCCP User Adaptation Layer Drivers
ii omni-ch3 K269.02SP5EECNK.OMNICH3. Signalware Chinese SS7 MTP Drivers
ii omni-ch4 K269.02SP5EECNK.OMNICH4. Signalware Chinese SS7 SCCP and TCAP Drivers
ii omni-ch4s K269.02SP5EECNK.OMNICH4S Signalware Chinese SCCP User Adaptation Layer Drivers
ii omni-j3 K269.02SP5EECNK.OMNIJ3.E Signalware Japanese SS7 MTP Drivers
ii omni-j4 K269.02SP5EECNK.OMNIJ4.E Signalware Japanese SS7 SCCP and TCAP Drivers
ii omni-j4s K269.02SP5EECNK.OMNIJ4S. Signalware Japanese SCCP User Adaptation Layer Drivers
ii omni-man K269.02SP5EECNK.OMNIMAN. Signalware Manpages
ii omni-sctp K269.02SP5EECNK.OMNISCTP Signalware Stream Control Transmission Protocol Layer
ii omni-util K269.02SP5EECNK.OMNIUTIL Signalware Staged Installation Utility
ii openipmi 1.3.16-1hpde2 Intelligent Platform Management Interface (for servers)
ii parted 1.6.21-1 The GNU Parted disk partition resizing program
ii passwd 4.0.3-31sarge9 change and administer password and group data
ii patch 2.5.9-2 Apply a diff file to an original
ii pciutils 2.1.11-15 Linux PCI Utilities
ii pdksh 5.2.14-18 A public domain version of the Korn shell
ii perl 5.8.4-8sarge5 Larry Wall's Practical Extraction and Report Language
ii perl-base 5.8.4-8sarge5 The Pathologically Eclectic Rubbish Lister
ii perl-modules 5.8.4-8sarge5 Core Perl modules
ii pidentd 3.0.18-2 TCP/IP IDENT protocol server with DES support
ii portmap 5-9 The RPC portmapper
ii prctl 1.4-1 Process control operations
ii priocntl 1.4 Tool to manipulate process priorities and scheduling classes
ii procps 3.2.1-2hpde1 The /proc file system utilities
ii psmisc 21.5-1 Utilities that use the proc filesystem
ii quagga 0.98.3-7.4 unoff. successor of the Zebra BGP/OSPF/RIP routing daemon
ii quagga-doc 0.98.3-7.4 documentation files for quagga
ii rcs 5.7-15 The GNU Revision Control System
ii rsh-client 0.17-13 rsh clients.
ii rsh-server 0.17-13 rsh servers.
ii rsync 2.6.4-6 fast remote file copy program (like rcp)
ii salinfo 0.7-2 Monitor and decode events from Itanium firmware
ii sctp-cksumcfg 1.0.4 Configures SCTP checksum when SCTP is compiled in the kernel
ii sctp-sysctl 1.0.5.1 Installs SCTP specific sysctl tunables for telco environments
ii sctpspray 2.0.0-2 A utility to send one-way stream of SCTP (Stream Control
ii sctpstat 2.0.0-3 a utility to display detailed sctp information
ii sed 4.1.2-8 The GNU sed stream editor
ii sharutils 4.2.1-13 shar, unshar, uuencode, uudecode
ii shellutils 5.2.1-2 The GNU shell programming utilities (transitional package)
ii slang1 1.4.9dbs-8 The S-Lang programming library - runtime version
ii slang1a-utf8 1.4.9dbs-8 The S-Lang programming library with utf8 support
ii snmp 5.1.2-6.2hpde1 NET SNMP (Simple Network Management Protocol) Apps
ii snmpd 5.1.2-6.2hpde1 NET SNMP (Simple Network Management Protocol) Agents
ii ssh 3.8.1p1-8.sarge.6 Secure rlogin/rsh/rcp replacement (OpenSSH)
ii strace 4.5.8-1.2 A system call tracer
ii sudo 1.6.8p7-1.4 Provide limited super user privileges to specific users
ii sysklogd 1.4.1-17hpde2 System Logging Daemon
ii sysprofile 0.3.8 Modularized system wide shell configuration mechanism
ii sysstat 5.0.6-5 sar, iostat and mpstat - system performance tools for Linux
ii systemconfigurator 2.0.10-1 Unified Configuration API for Linux Installation
ii systemimager-client 3.2.3-6sarge4 Utilities for creating an image and upgrading client machines
ii systemimager-common 3.2.3-6sarge4 Utilities and libraries common to both the server and client
ii sysv-rc 2.86.ds1-1 Standard boot mechanism using symlinks in /etc/rc?.d
ii sysvinit 2.86.ds1-1 System-V like init
ii tar 1.14-2.3 GNU tar
ii task-hp-telco 5.4.1 HP Telco Extensions
ii tasksel 2.24 Tool for selecting tasks for installation on Debian system
ii tcl8.3 8.3.5-4 Tcl (the Tool Command Language) v8.3 - run-time files
ii tcl8.3-dev 8.3.5-4 Tcl (the Tool Command Language) v8.3 - development files
ii tcl8.3-doc 8.3.5-4 Tcl (the Tool Command Language) v8.3 - manual pages
ii tcl8.4 8.4.9-1 Tcl (the Tool Command Language) v8.4 - run-time files
ii tcl8.4-dev 8.4.9-1 Tcl (the Tool Command Language) v8.4 - development files
ii tclx8.3 8.3.5-4.1 Extended Tcl (TclX) version 8.3.5 -- TclX runtime package
ii tclx8.3-dev 8.3.5-4.1 Extended Tcl (TclX) version 8.3.5 -- TclX development package
ii tclx8.3-doc 8.3.5-4.1 Extended Tcl (TclX) version 8.3.5 -- TclX manpages
ii tcpd 7.6.dbs-8 Wietse Venema's TCP wrapper utilities
ii tcpdump 3.8.3-5sarge3 A powerful tool for network monitoring and data acquisition
ii tcsh 6.13.00-1 TENEX C Shell, an enhanced version of Berkeley csh
ii telnet 0.17-29 The telnet client
ii telnetd 0.17-29 The telnet server
ii texinfo 4.7-2.2sarge2 Documentation system for on-line information and printed output
ii textutils 5.2.1-2 The GNU text file processing utilities (transitional package)
ii time 1.7-21 The GNU time program for measuring cpu resource usage
ii timezoneconf 0.10 debconf interface to system timezone, date, and time
ii traceroute 1.4a12-18 traces the route taken by packets over a TCP/IP network
ii ttf-bitstream-vera 1.10-3 The Bitstream Vera family of free TrueType fonts
ii ucf 1.17 Update Configuration File: preserves user changes to config file
ii util-linux 2.12p-4sarge1 Miscellaneous system utilities
ii util-linux-locales 2.12p-4sarge1 Locales files for util-linux
ii whiptail 0.51.6-20 Displays user-friendly dialog boxes from shell scripts
ii whois 4.7.5 the GNU whois client
ii xbase-clients 4.3.0.dfsg.1-14sarge4 miscellaneous X clients
ii xfree86-common 4.3.0.dfsg.1-14sarge4 X Window System (XFree86) infrastructure
ii xinetd 2.3.13-3hpde1 replacement for inetd with many enhancements
ii xlibmesa-gl 4.3.0.dfsg.1-14sarge4 Mesa 3D graphics library [XFree86]
ii xlibmesa-glu 4.3.0.dfsg.1-14sarge4 Mesa OpenGL utility library [XFree86]
ii xlibs 4.3.0.dfsg.1-14sarge4 X Keyboard Extension (XKB) configuration data and metapackage
ii xlibs-data 4.3.0.dfsg.1-14sarge4 X Window System client data
ii xterm 4.3.0.dfsg.1-14sarge4 X terminal emulator
ii zlib1g 1.2.2-4.sarge.2hpde1 compression library - runtime
ii zlib1g-dev 1.2.2-4.sarge.2hpde1 compression library - development


1. More than above list of packages. What I am interested how to debug this issue. Is there somekind of "while loop" I could execute in loop for ps command , and determine which processes are not killed after shutdown was executed

2. Or I can strace on shutdown pid and determine how many processes that shutdown is waiting on before actually bringing donw the system

Pls suggest How we can debug in shutdown/init front, so that I can determine which process was hung for 15 minutes.

Re: shutdown is taking more than about 15 minutes

lsmod
Module Size Used by
bond0 160698 0
sctp 448112 6 [unsafe]
ipv6 650568 17 sctp
capability 15208 0
commoncap 21336 1 capability
thermal 38836 0
fan 16664 0
button 21488 0
processor 44344 1 thermal
ipmi_devintf 22364 2
ipmi_si 76484 1
ipmi_msghandler 108740 2 ipmi_devintf,ipmi_si
scsi_dump 20568 0
dump_blockdev 32364 1 scsi_dump
dump_gzip 13944 0
zlib_deflate 56820 1 dump_gzip
dump 100740 2 dump_blockdev,dump_gzip
rpqiosmp 8994240 0
e1000 317856 0
tg3 196480 0
e100 92478 0
tulip 119596 0
cmd64x 30272 0 [permanent]
loop 41576 0
vfat 36910 0
msdos 26954 0
fat 90164 2 vfat,msdos
isofs 65840 0
sr_mod 48096 0
ide_cd 90407 0
ide_core 276020 2 cmd64x,ide_cd
cdrom 90712 2 sr_mod,ide_cd
dm_mod 143152 17
raid1 45856 1
md 104416 2 raid1

Above is lsmod output , it may help you
Wouter Jagers
Honored Contributor

Re: shutdown is taking more than about 15 minutes

Aha, so you're on a debian box. Good to know.

Can you try to stop services manually, one by one ?
You could also try to change from runlevel 5 to runlevel 3, and then down to 1.. maybe you bump in to the hang then.

Note that runlevel 1 is a maintenance mode, no remote access will be possible.

# init 3

[..wait..]

# init 1

Just a thought..

Cheers,
Wout
an engineer's aim in a discussion is not to persuade, but to clarify.
Rob Leadbeater
Honored Contributor
Solution

Re: shutdown is taking more than about 15 minutes

Hi,

What applications are you running on the box ?

I've seen Oracle databases take ages (hours) to shut down cleanly, especially if they're busy.

After you've issued the shutdown -r command, take a look at what's running with top or similar. You should be able to work out what's not dying.

Cheers,

Rob

Re: shutdown is taking more than about 15 minutes

Hi
Finally we traced down wall was hung on tty_write call ,explananation is as below.
Please let me know what is the root cause for tty_write to get hung for about 15 minutes. This wall was invoked from shutdown.

wall hangs on tty_write system call for about 15 minutes on debian 2.6 kernel

--------------------------------------------------------------------------------

Hi
My system was about 20% cpu utilization. Console was open and some other terminals were oepn.

0. system info Linux Node1 2.6.10-telco-1.35.1-mckinley-smp #1 SMP Sun Nov 18 20:58:46 UTC 2007 ia64 GNU/Linux
1. System had invoked shutdown -r now commmand
2. As part of it , it was putting wall message to all ttys
The wall message is "The system is going down for reboot NOW!"
3. We found that wall was hanging for 15mins and was not posting this message to tty.
4. Because of above reason, shutdown was hanging for about 15 minutes.


===Code===
system ("while ( true );do sleep 25;date >> $rnps;ps -emo pid,ppid,psr,pcpu,pmem,vsz,rss,lwp,state,time,wchan=WIDE-WIDE-WCHAN-COLUMN,args>> $rnps; echo >> $rnps;done &");
...
..
shutdown -r now

====Code Ends===

Below is seen for about 15-mins as captured from ps -e
30133 30131 - 0.0 0.0 3632 1744 - - 00:00:00 -/usr/bin/wall
- - 3 0.0 - - - 30133 S 00:00:00 tty_write


Thanks
Krupa

Re: shutdown is taking more than about 15 minutes

Hi Rob,
I have ssh sessions open to this linux box. Do you expect this ssh sessions are hung for 15-minutes. Shutdown trying to put wall messatges to ssh terminals and got hung because of that ?

Appreciate your quick reply

Thanks
Krupa