[Bug 210188] periodic daily sleeps even when invoked from a terminal
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Fri Jun 10 10:07:22 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210188
Bug ID: 210188
Summary: periodic daily sleeps even when invoked from a
terminal
Product: Base System
Version: 10.3-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: freebsd-bugs at FreeBSD.org
Reporter: freebsd-bugzilla at ayaken.net
periodic daily, when invoked via terminal, can be witnessed sleeping (culprit
being fetching port vulnerabilities, see below)
# sh -x /usr/sbin/periodic daily
+ [ 1 -lt 1 ]
+ [ -r /etc/defaults/periodic.conf ]
+ . /etc/defaults/periodic.conf
+ periodic_conf_files='/etc/periodic.conf /etc/periodic.conf.local'
+ local_periodic=/usr/local/etc/periodic
+ daily_output=root
+ daily_show_success=YES
+ daily_show_info=YES
+ daily_show_badconfig=NO
+ daily_clean_disks_enable=NO
+ daily_clean_disks_files='[#,]* .#* a.out *.core *.CKP .emacs_[0-9]*'
+ daily_clean_disks_days=3
+ daily_clean_disks_verbose=YES
+ daily_clean_tmps_enable=NO
+ daily_clean_tmps_dirs=/tmp
+ daily_clean_tmps_days=3
+ daily_clean_tmps_ignore='.X*-lock .X11-unix .ICE-unix .font-unix .XIM-unix'
+ daily_clean_tmps_ignore='.X*-lock .X11-unix .ICE-unix .font-unix .XIM-unix
quota.user quota.group .snap'
+ daily_clean_tmps_ignore='.X*-lock .X11-unix .ICE-unix .font-unix .XIM-unix
quota.user quota.group .snap .sujournal'
+ daily_clean_tmps_verbose=YES
+ daily_clean_preserve_enable=YES
+ daily_clean_preserve_days=7
+ daily_clean_preserve_verbose=YES
+ daily_clean_msgs_enable=YES
+ daily_clean_msgs_days=''
+ daily_clean_rwho_enable=YES
+ daily_clean_rwho_days=7
+ daily_clean_rwho_verbose=YES
+ daily_clean_hoststat_enable=YES
+ daily_backup_passwd_enable=YES
+ daily_backup_aliases_enable=YES
+ daily_backup_pkgdb_enable=YES
+ daily_backup_pkgdb_dir=/var/backups
+ daily_calendar_enable=NO
+ daily_accounting_enable=YES
+ daily_accounting_compress=NO
+ daily_accounting_flags=-q
+ daily_accounting_save=3
+ daily_news_expire_enable=YES
+ daily_status_disks_enable=YES
+ daily_status_disks_df_flags='-l -h'
+ daily_status_graid_enable=NO
+ daily_status_zfs_enable=NO
+ daily_status_zfs_zpool_list_enable=YES
+ daily_status_gmirror_enable=NO
+ daily_status_graid3_enable=NO
+ daily_status_gstripe_enable=NO
+ daily_status_gconcat_enable=NO
+ daily_status_network_enable=YES
+ daily_status_network_usedns=YES
+ daily_status_network_netstat_flags=-d
+ daily_status_rwho_enable=YES
+ daily_status_mailq_enable=YES
+ daily_status_mailq_shorten=NO
+ daily_status_include_submit_mailq=YES
+ daily_status_security_enable=YES
+ daily_status_security_inline=NO
+ daily_status_security_output=root
+ daily_status_mail_rejects_enable=YES
+ daily_status_mail_rejects_logs=3
+ daily_status_mail_rejects_shorten=NO
+ daily_ntpd_leapfile_enable=NO
+ daily_ntpd_avoid_congestion=YES
+ daily_status_ntpd_enable=NO
+ daily_queuerun_enable=YES
+ daily_submit_queuerun=YES
+ daily_status_world_kernel=YES
+ daily_scrub_zfs_enable=NO
+ daily_scrub_zfs_pools=''
+ daily_scrub_zfs_default_threshold=35
+ daily_local=/etc/daily.local
+ weekly_output=root
+ weekly_show_success=YES
+ weekly_show_info=YES
+ weekly_show_badconfig=NO
+ weekly_locate_enable=YES
+ weekly_whatis_enable=YES
+ weekly_catman_enable=NO
+ weekly_noid_enable=NO
+ weekly_noid_dirs=/
+ weekly_status_security_enable=YES
+ weekly_status_security_inline=NO
+ weekly_status_security_output=root
+ weekly_local=/etc/weekly.local
+ monthly_output=root
+ monthly_show_success=YES
+ monthly_show_info=YES
+ monthly_show_badconfig=NO
+ monthly_accounting_enable=YES
+ monthly_status_security_enable=YES
+ monthly_status_security_inline=NO
+ monthly_status_security_output=root
+ monthly_local=/etc/monthly.local
+ security_status_logdir=/var/log
+ security_status_diff_flags='-b -u'
+ security_status_chksetuid_enable=YES
+ security_status_chksetuid_period=daily
+ security_status_neggrpperm_enable=YES
+ security_status_neggrpperm_period=daily
+ security_status_chkmounts_enable=YES
+ security_status_chkmounts_period=daily
+ security_status_noamd=NO
+ security_status_chkuid0_enable=YES
+ security_status_chkuid0_period=daily
+ security_status_passwdless_enable=YES
+ security_status_passwdless_period=daily
+ security_status_logincheck_enable=YES
+ security_status_logincheck_period=daily
+ security_status_chkportsum_enable=NO
+ security_status_chkportsum_period=daily
+ security_status_ipfwdenied_enable=YES
+ security_status_ipfwdenied_period=daily
+ security_status_ipfdenied_enable=YES
+ security_status_ipfdenied_period=daily
+ security_status_pfdenied_enable=YES
+ security_status_pfdenied_period=daily
+ security_status_ipfwlimit_enable=YES
+ security_status_ipfwlimit_period=daily
+ security_status_ipf6denied_enable=YES
+ security_status_ipf6denied_period=daily
+ security_status_kernelmsg_enable=YES
+ security_status_kernelmsg_period=daily
+ security_status_loginfail_enable=YES
+ security_status_loginfail_period=daily
+ security_status_tcpwrap_enable=YES
+ security_status_tcpwrap_period=daily
+ [ -z '' ]
+ source_periodic_confs_defined=yes
+ source_periodic_confs
+ local i sourced_files
+ sourced_files=:/etc/periodic.conf:
+ [ -r /etc/periodic.conf ]
+ sourced_files=:/etc/periodic.conf::/etc/periodic.conf.local:
+ [ -r /etc/periodic.conf.local ]
+ . /etc/periodic.conf.local
+ daily_backup_aliases_enable=NO
+ daily_clean_hoststat_enable=NO
+ daily_status_mail_rejects_enable=NO
+ daily_status_include_submit_mailq=NO
+ daily_submit_queuerun=NO
+ daily_output=/var/log/daily.log
+ security_output=/var/log/security
+ weekly_output=/var/log/weekly.log
+ monthly_output=/var/log/monthly.log
+ hostname
+ host=hephaistos.local
+ export host
+ [ daily != LOCKED ]
+ ret=0
+ lockfile=/var/run/periodic.daily.lock
+ lockf -t 0 /var/run/periodic.daily.lock /bin/sh /usr/sbin/periodic LOCKED
daily
load: 0.31 cmd: find 1730 [running] 1.97r 0.13u 1.76s 18% 9952k
load: 0.34 cmd: find 1730 [biord] 9.94r 0.33u 3.38s 17% 12760k
load: 0.31 cmd: find 1730 [biord] 14.85r 0.36u 3.61s 12% 14020k
load: 0.31 cmd: find 1730 [running] 17.80r 0.38u 3.85s 11% 14024k
load: 0.31 cmd: find 1730 [biord] 18.51r 0.38u 3.90s 10% 14024k
load: 0.28 cmd: sleep 1853 [nanslp] 33.72r 0.00u 0.00s 0% 1904k
load: 0.28 cmd: sleep 1853 [nanslp] 35.25r 0.00u 0.00s 0% 1912k
load: 0.22 cmd: sleep 1853 [nanslp] 46.57r 0.00u 0.00s 0% 1912k
load: 0.22 cmd: sleep 1853 [nanslp] 46.95r 0.00u 0.00s 0% 1912k
load: 0.19 cmd: sleep 1853 [nanslp] 149.61r 0.00u 0.00s 0% 1912k
(the output at the end naturally comes from me hitting ^T)
periodic line 118, invoking $file < /dev/null does probably not play too well
with [ -t 0 ] tests to determine whether the script is being invoked from cron.
One would assume that it's one of the /etc/periodic scripts that's sleeping.
Interestingly, # grep -lri sleep .
./daily/480.leapfile-ntpd
and given my daily_ntpd_leapfile_enable=NO, that shouldn't be doing anything.
So let's look at /usr/local/etc/periodic : # grep -lri sleep .
./security/410.pkg-audit
and indeed there we can see (L59+):
# Random delay so the mirrors do not get slammed when run by
periodic(8)
if [ ! -t 0 ]; then
sleep `jot -r 1 0 3600`
fi
As we've seen above, this script gets invoked with < /dev/null > tempfile, so [
-t 0 ] will always be false. But when being invoked from the terminal, one
shouldn't sleep randomly. It doesn't make sense. The invocation time itself is
random already, we're not coming from a cron ran periodic incantation.
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