Bug 627 - Error during XNTP start
Error during XNTP start
Status: CLOSED WORKSFORME
Product: Red Hat Linux
Classification: Retired
Component: xntp3 (Show other bugs)
5.2
All Linux
medium Severity high
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Assigned To: Jeff Johnson
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Depends On:
Blocks:
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Reported: 1998-12-27 19:40 EST by Daniel Senie
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 1999-03-24 19:04:35 EST
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RHEL 7.3 requirements from Atomic Host:


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Description Daniel Senie 1998-12-27 19:40:45 EST
If the

     multicast client

command is included in the ntp.conf, the daemon generates an
error, and doesn't seem to ever synchronize time.

Result is non-functional ntp.
Comment 1 Jeff Johnson 1998-12-28 10:53:59 EST
Syntax is
	multicastclient
or
	multicastclient 224.0.1.1

You need a kernel with multicast configured and
a multicast server for multicast NTP to synchronize.
Comment 2 Daniel Senie 1999-01-15 00:16:59 EST
Just did a bunch more testing, and indeed the multicast DOES work,
despite the error message from xntpd at startup.

The error at startup is:

Jan 14 23:58:20 peanut xntpd[24535]: bind() fd 12, family 2, port 123,
addr e0000101, in_classd=1 flags=0 fails: Address already in use
Jan 14 23:58:20 peanut xntpd[24535]: ...multicast address 224.0.1.1
using wildcard socket

Since the code does go on and work, why the error message? Something
seems at least somewhat odd.
Comment 3 Jeff Johnson 1999-03-24 19:04:59 EST
The error message is due to xntp dynamic probes that determine the
correct mode to run in.

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