Hello
I'm facing a problem with net-snmp V5.4.1, compiled from source. Same
compiled binaries is installed on 50 AIX 6.1 servers. All servers have
the same TL/SP level, and from my point of view, configured in the same
way. On six of the servers, I get a message saying ": No such file or
directory" from the snmpd daemon. The message repeats itself as fast as
it can. I will explain how I get the message.
I start snmpd without forking the proccess.
>From my client, I run snmpwalk on "HOST-RESOURCES-MIB::hrStorage".
Snmpwalk returns all filesystems that I have on my server, but after the
last filesystem is returned, snmpwalk waits a moment and then returns
"Timeout: No Response from <my server>". I have verified on the server
that there is no "strange" filesystem after the last one that is
returned with snmpwalk. Everything looks fine. I use df, mount and lsfs
for this. All looks good.
To verify what the server is actually doing when I get the ": No such
file or directory" error, I started snmpd with truss. This is a part
what I get returned (last two working filesystems, and then when it
fails)
# asking for "/pub" filesystem, and it's returned successful
1126550: 1368247: statfs("/pub", 0x2FF1B498) = 0
1126550: 1368247: times(0x2FF1B5C8) = 386544360
1126550: 1368247: _esendto(6, 0x201364C7, 129, 0, 0x20134608, 16,
0x00000000) = 129
1126550: 1368247: _select(8, 0x2FF1BD40, 0x2FF1DD40, 0x2FF1FD40,
0x2FF21D40) = 1
1126550: 1368247: _enrecvfrom(6, 0x20123ED8, 65536, 0, 0x20123228,
0x2FF1BBE8, 0x00000000) = 128
1126550: 1368247: times(0x2FF1ABB8) = 386544360
1126550: 1368247: times(0x2FF1A7A8) = 386544360
1126550: 1368247: mntctl(2, 4, "") = 0
1126550: 1368247: mntctl(2, 3648, "") = 22
# asking for "/usr/sap/bi_trans filesystem", and it's returned
successful
1126550: 1368247: statfs("/usr/sap/bi_trans", 0x2FF1B498) = 0
1126550: 1368247: times(0x2FF1B5C8) = 386544360
1126550: 1368247: _esendto(6, 0x201364C7, 129, 0, 0x20134608, 16,
0x00000000) = 129
1126550: 1368247: _select(8, 0x2FF1BD40, 0x2FF1DD40, 0x2FF1FD40,
0x2FF21D40) = 1
1126550: 1368247: _enrecvfrom(6, 0x20123ED8, 65536, 0, 0x20123228,
0x2FF1BBE8, 0x00000000) = 128
1126550: 1368247: times(0x2FF1ABB8) = 386544361
1126550: 1368247: times(0x2FF1A7A8) = 386544361
1126550: 1368247: mntctl(2, 4, "") = 0
1126550: 1368247: mntctl(2, 3648, "") = 22
# asking for "". This is where the problem starts. It asks for a
filesystem without any path. This will repeat itself until I hit Ctrl-C
1126550: 1368247: statfs("", 0x2FF1B498) Err#2
ENOENT
1126550: 1368247: kwrite(3, " : N o s u c h f i".., 28) = 28
1126550: 1368247: kfcntl(3, F_GETFL, 0x00000008) = 1
: No such file or directory
1126550: 1368247: kwrite(2, " : N o s u c h f i".., 28) = 28
1126550: 1368247: mntctl(2, 4, "") = 0
1126550: 1368247: mntctl(2, 3648, "") = 22
1126550: 1368247: statfs("", 0x2FF1B498) Err#2
ENOENT
1126550: 1368247: kwrite(3, " : N o s u c h f i".., 28) = 28
1126550: 1368247: kfcntl(3, F_GETFL, 0x00000008) = 1
: No such file or directory
1126550: 1368247: kwrite(2, " : N o s u c h f i".., 28) = 28
1126550: 1368247: mntctl(2, 4, "") = 0
1126550: 1368247: mntctl(2, 3648, "") = 22
1126550: 1368247: statfs("", 0x2FF1B498) Err#2
ENOENT
1126550: 1368247: kwrite(3, " : N o s u c h f i".., 28) = 28
1126550: 1368247: kfcntl(3, F_GETFL, 0x00000008) = 1
: No such file or directory
1126550: 1368247: kwrite(2, " : N o s u c h f i".., 28) = 28
1126550: 1368247: mntctl(2, 4, "") = 0
1126550: 1368247: mntctl(2, 3648, "") = 22
1126550: 1368247: statfs("", 0x2FF1B498) Err#2
ENOENT
1126550: 1368247: kwrite(3, " : N o s u c h f i".., 28) = 28
1126550: 1368247: kfcntl(3, F_GETFL, 0x00000008) = 1
: No such file or directory
Have anybody else seen this problem before, and if so, is there a simple
way to fix it?
Best regards
Berry Perzon
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