Hello list, and Luca,
Ntop has been running rock solid for me for the past year or so, with
the occasional reboot when upgrading the kernel and the tv tuner going
beserk and freezing the system, but today a weird thing happened:
i decided to explore the interface to see what is new around there, and
i selected from the Plugins menu,
Round-robin-databases -> the Describe option...
But, instead of some explanatory text, it turned OFF the RRD plugin
hard.... errors started to appear in the log
It doesn't crash, because the web interface is still responsive, so i
don't think a gdb run will help much, it just kills off the rrd plugin.
ntop is latest version from cvs (ok..yesterday's cvs, but there haven't
been any announcements from Luca today so far)..more details after the
main bug info
this appears in the log concerning the rrd when i select the Describe
option in the menu:
May 30 08:15:18 ccsfn ntop[2539]: RRD: Shutting down, locking mutex
(may block for a little while)
May 30 08:15:18 ccsfn ntop[2539]: RRD: Locked mutex, continuing shutdown
May 30 08:15:18 ccsfn ntop[2539]: THREADMGMT[t3033402288]: RRD:
killThread(rrdThread) succeeded
May 30 08:15:18 ccsfn ntop[2539]: THREADMGMT[t3033402288]: RRD:
killThread(rrdTrafficThread) succeeded
May 30 08:15:18 ccsfn ntop[2539]: THREADMGMT[t3033402288]: RRD: Plugin
shutdown continuing
May 30 08:15:18 ccsfn ntop[2539]: RRD: Thanks for using the rrdPlugin
May 30 08:15:18 ccsfn ntop[2539]: RRD: Done
yup..i selected "Describe", NOT TURN OFF PLUGIN!
and then right after:
May 30 08:15:26 ccsfn ntop[2539]: **WARNING** RRD: (null), error 13
Permission denied
May 30 08:15:26 ccsfn ntop[2539]: **WARNING** RRD: (null)/interfaces,
error 2 No such file or directory
May 30 08:15:26 ccsfn ntop[2539]: **WARNING** RRD:
(null)/interfaces/eth1, error 2 No such file or directory
May 30 08:15:26 ccsfn ntop[2539]: **WARNING** RRD:
mkdir((null)/interfaces/eth1/), error 2 No such file or directory
May 30 08:15:26 ccsfn ntop[2539]: **ERROR** accessMutex() called
'rrd_create' with an UN-INITIALIZED mutex [t2999974832 m0xb
0db20 @rrdPlugin.c:1253]
May 30 08:15:26 ccsfn ntop[2539]: **WARNING** RRD:
rrd_create((null)/interfaces/eth1/throughput.rrd) error: creating '(null)
/interfaces/eth1/throughput.rrd': No such file or directory
May 30 08:15:26 ccsfn ntop[2539]: **ERROR** releaseMutex() called with
an UN-INITIALIZED mutex [t2999974832 m0xb0db20 @rrdPl
ugin.c:1271]
May 30 08:15:26 ccsfn ntop[2539]: **ERROR** accessMutex() called
'rrd_update' with an UN-INITIALIZED mutex [t2999974832 m0xb
0db20 @rrdPlugin.c:1303]
May 30 08:15:26 ccsfn ntop[2539]: **WARNING** RRD:
rrd_update((null)/interfaces/eth1/throughput.rrd) error: opening '(null)/
interfaces/eth1/throughput.rrd': No such file or directory
May 30 08:15:26 ccsfn ntop[2539]: **ERROR** releaseMutex() called with
an UN-INITIALIZED mutex [t2999974832 m0xb0db20 @rrdPl
ugin.c:1354]
May 30 08:15:29 ccsfn ntop[2539]: **WARNING** RRD: (null), error 13
Permission denied
May 30 08:15:29 ccsfn ntop[2539]: **WARNING** RRD: (null)/interfaces,
error 2 No such file or directory
and so on... tons of this stuff.. i had to kill the ntop process and
re-start.
more ntop extensive information:
ntop Version.....3.2.2
Configured on.....May 29 2006 17:16:06
Built on.....May 29 2006 17:19:34
OS.....i686-redhat-linux-gnu
libpcap version.....libpcap version 0.8.3
Running from...../var/ntop/bin
Libraries in...../var/ntop/lib
Library path.....(nil)
ntop Process Id.....2640
http Process Id.....2640
Run State.....Run
Started as........./var/ntop/bin/ntop -n -e 512 -d -4 -M -m
192.168.2.0/24 -i eth1 -u ntop -w 1083 -Q /var/ntop/ntop_data -P
/var/ntop/ntop_data -O /var/ntop/ntop_data/logs -a
/var/ntop/ntop_data/logs/access.log
Resolved to........./var/ntop/bin/ntop -n -e 512 -d -4 -M -m
192.168.2.0/24 -i eth1 -u ntop -w 1083 -Q /var/ntop/ntop_data -P
/var/ntop/ntop_data -O /var/ntop/ntop_data/logs -a
/var/ntop/ntop_data/logs/access.log
GDBM version.....This is GDBM version 1.8.0, as of May 19, 1999.
zlib version.....1.2.2.2
gd version (guess).....2.0.21+
Protocol Decoders.....Enabled
Fragment Handling.....Enabled
Tracking only local hosts.....No
# IP Protocols Being Monitored.....20
# Protocol slots.....978
# IP Ports Being Monitored.....177
# IP Ports slots.....354
WebServer Request Queue.....10
Devices (Network Interfaces).....1
Domain name (short).....(nil)
IP to country flag table (entries).....52395
Total Hash Collisions (Vendor/Special) (lookup).....0
Database (MySQL) Support Enabled.....No
./configure parameters.....--prefix=/var/ntop
--enable-dependency-tracking --without-ssl --disable-ssl
--enable-largerrdpop --enable-jumbo-frames + configureextra/LINUXfedora
Built on (Host).....i686-redhat-linux-gnu
Built for(Target).....i686-redhat-linux-gnu
preprocessor (CPPFLAGS).....gcc -E -DLINUX -I/usr/include/glib-1.2
-I/usr/lib/glib/include -I/usr/local/include -I/usr/include/mysql
-I/usr/local/mysql/include
-I/kituri/linux/ccstm_new/packages/ntop/ntop/myrrd
compiler (CFLAGS).....gcc -g -O2 -I/usr/local/include -Wshadow
-Wpointer-arith -Wmissing-prototypes -Wmissing-declarations
-Wnested-externs -fPIC -DPIC -I/usr/include/mysql
-I/usr/local/mysql/include -DHAVE_CONFIG_H
include path.....-I/kituri/linux/ccstm_new/packages/ntop/ntop/myrrd
system libraries.....-lglib -L/usr/local/lib -L/usr/lib/mysql
-L/usr/local/mysql/lib
-L/kituri/linux/ccstm_new/packages/ntop/ntop/myrrd -lxml2 -lglib
-lpthread -lcrypt -lc -lresolv -lnsl -lpcap -lgdbm -lgd -lpng -lz -lmyrrd
install path...../var/ntop
GNU C (gcc) version.....4.0.2 20051125 (Red Hat 4.0.2-8) (4.0.2)
uname data.....sysname(Linux) release(2.6.16-1.2111_FC4) version(#1 Sat
May 20 19:59:40 EDT 2006) machine(i686)
Please look into this.
Adrian.
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