[ net-snmp-Bugs-759530 ] snmpd infinite loops after walking Host MIB

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Bugs item #759530, was opened at 2003-06-23 23:55
Message generated for change (Settings changed) made by dts12
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Category: agent
Group: None
>Status: Closed
>Resolution: Invalid
Priority: 5
Submitted By: Ed Ravin (eravin)
Assigned to: Nobody/Anonymous (nobody)
Summary: snmpd infinite loops after walking Host MIB

Initial Comment:
Environment is NetBSD 1.5.3 and 1.6.1

Both net-snmp 5.0.6 and 5.08 have this problem in our
environment: when I do a MIB walk of the Host mib, 
snmpd
goes into an infinite loop after returning these values:

We are running snmpd listening on tcp:NNNN and 
udp:161.

The results of the walk are below:

snmpwalk  -v 1 -m ALL localhost host
[...]
host.hrDevice.hrFSTable.hrFSEntry.hrFSAccess.1 = 
readWrite(1)
host.hrDevice.hrFSTable.hrFSEntry.hrFSAccess.2 = 
readOnly(2)
host.hrDevice.hrFSTable.hrFSEntry.hrFSBootable.1 = 
true(1)
host.hrDevice.hrFSTable.hrFSEntry.hrFSBootable.2 = 
false(2)
host.hrDevice.hrFSTable.hrFSEntry.hrFSStorageIndex.1 
= 1
host.hrDevice.hrFSTable.hrFSEntry.hrFSStorageIndex.2 
= 2
host.hrDevice.hrFSTable.hrFSEntry.hrFSLastFullBackupDate.1 
=  Hex: 00 00 01 01 00 00 00 00
host.hrDevice.hrFSTable.hrFSEntry.hrFSLastFullBackupDate.2 
=  Hex: 00 00 01 01 00 00 00 00
host.hrDevice.hrFSTable.hrFSEntry.hrFSLastPartialBackupDate.1 
=  Hex: 00 00 01 01 00 00 00 00
host.hrDevice.hrFSTable.hrFSEntry.hrFSLastPartialBackupDate.2 
=  Hex: 00 00 01 01 00 00 00 00
Timeout: No Response from localhost

Our environment (both NetBSD 1.5.3 and 1.6) is available 
for remote login if you would like a shell prompt to test 
anything.  Contact me at er...@pa...

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Comment By: Ed Ravin (eravin)
Date: 2003-06-27 00:14

Message:
Logged In: YES 
user_id=21104

I realized that I had a mismatch in my environment - I was 
running a net-snmpd compiled for NetBSD 1.6 on a 1.5.3 box.
I am unable to reproduce this problem when I match the OS with 
a net-snmpd compiled for that OS.

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Comment By: John Naylon (jbpn)
Date: 2003-06-24 14:07

Message:
Logged In: YES 
user_id=93926

If you could run the agent as snmpd -f -L -Dall you will get
a lot of debugging output -- it would be useful if you can
isolate where the repetition starts and either paste or
attach it here.


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