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Bug 436666 - dovecut master.pid isn't removed on system startup, occasionally causing dovecot not to start up
dovecut master.pid isn't removed on system startup, occasionally causing dove...
Product: Fedora
Classification: Fedora
Component: initscripts (Show other bugs)
All Linux
low Severity high
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Assigned To: Bill Nottingham
Fedora Extras Quality Assurance
Depends On:
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Reported: 2008-03-08 18:37 EST by Mads Kiilerich
Modified: 2014-03-16 23:12 EDT (History)
1 user (show)

See Also:
Fixed In Version: Fedora 9
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2008-05-27 18:40:10 EDT
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Regression: ---
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Mads Kiilerich 2008-03-08 18:37:09 EST
Description of problem:

Version-Release number of selected component (if applicable):

How reproducible:
hard but explainable

Steps to Reproduce:
1. crash machine, leaving it with /var/run/dovecot/master.pid
2. start machine, let /etc/rc.sysinit remove /var/run/dovecot/*/*
3. let ntp start and let it get the pid from master.pid

Actual results:
Error: Dovecot is already running with PID 1835 (read from
Fatal: Invalid configuration in /etc/dovecot.conf

- which is pretty fatal if you are running an imap server...

Expected results:
Starting Dovecot Imap:                                     [  OK  ]

Additional info:
Seems to be fixed by
-               */dovecot)      rm -f $afile/*/* ;;
+               */dovecot)      rm -f $afile/*/* $afile/* ;;
Comment 1 Mads Kiilerich 2008-03-08 20:19:09 EST
In my case selinux seems to have prevented dovecot from killing ntp:

host=localhost.localdomain type=AVC msg=audit(1205017755.529:33): avc: denied {
kill } for pid=6452 comm="dovecot" capability=5
tcontext=unconfined_u:system_r:dovecot_t:s0 tclass=capability
host=localhost.localdomain type=SYSCALL msg=audit(1205017755.529:33):
arch=40000003 syscall=37 success=no exit=-1 a0=72b a1=0 a2=72b a3=9970030
items=0 ppid=6451 pid=6452 auid=500 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0
sgid=0 fsgid=0 tty=pts0 comm="dovecot" exe="/usr/sbin/dovecot"
subj=unconfined_u:system_r:dovecot_t:s0 key=(null) 

So an alternative decription of the problem could be "dovecot kills random
process when started after crash"
Comment 2 Mads Kiilerich 2008-05-27 18:40:10 EDT
Seems to be solved in initscripts-8.76.2-1.i386 in Fedora 9 by using
    find -L /var/lock /var/run ! -type d -exec rm -f {} \;

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