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Bug 22300

Summary: bind & syslogd deadlock under high load
Product: [Retired] Red Hat Linux Reporter: Kirill Pushkin <kp>
Component: sysklogdAssignee: Bill Nottingham <notting>
Status: CLOSED RAWHIDE QA Contact: David Lawrence <dkl>
Severity: medium Docs Contact:
Priority: medium    
Version: 6.1CC: dr, rvokal
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2000-12-15 16:02:31 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Kirill Pushkin 2000-12-14 15:26:30 UTC
Speciality: syslogd is configured to receive external messages from
Cisco router.

Sometimes (may take a week) under high load named hangs until its restart.
strace -p <named_pid> says:
send(3,"<syslog message>

After disabling of receiving of external messages by syslogd all work
just fine.

Possible problem: syslog resolves IP to name for external message, but
named is busy by sending message to syslog in that time.

Comment 1 Kirill Pushkin 2000-12-14 15:28:22 UTC
btw, rpm -q bind sysklogd :

bind-8.2.2_P7-0.6.2
sysklogd-1.3.31-17


Comment 2 Bill Nottingham 2000-12-30 07:01:11 UTC
This will be fixed in sysklogd-1.4-4, which will be in the next
rawhide release; you will be able to start syslogd with the '-x'
option that disables reverse lookups of incoming messages.