Hello there, I'm experiencing similar crashes of hobbit_rrd using 4.3.0-beta2 with rrdtool-1.4.2. I have custom tests using NCV graphs. Disabled tests seem to be crashing hobbit_rrd in the status channel: 2010-01-21 09:33:18 hobbitd_rrd: Got message 526516 @@status#526516/cnsb1|1264066398.129576|10.10.0.165||cnsb1|dns|1295449658|blue||blue|1264000058|0||1295449658|Disabled by 2010-01-21 09:33:18 startpos 86857, fillpos 86857, endpos -1 2010-01-21 09:33:18 Peer at 0.0.0.0:0 failed: Broken pipe 2010-01-21 09:33:18 Peer not up, flushing message queue 2010-01-21 09:39:28 hobbitd_rrd: Got message 551600 @@status#551600/prx09|1264066768.465806|10.10.1.179||prx09|cdaemon|2147483647|blue||blue|1263999443|0||-1|Disabled by 2010-01-21 09:39:28 startpos 353816, fillpos 354099, endpos -1 2010-01-21 09:39:28 Peer at 0.0.0.0:0 failed: Broken pipe 2010-01-21 09:39:28 Peer not up, flushing message queue 2010-01-21 09:45:53 hobbitd_rrd: Got message 581864 @@status#581864/prx34|1264067153.276604|10.10.1.74||prx34|cdaemon|2147483647|blue||blue|1263999443|0||-1|Disabled by 2010-01-21 09:45:53 startpos 1147497, fillpos 1147497, endpos -1 2010-01-21 09:45:53 Peer at 0.0.0.0:0 failed: Broken pipe 2010-01-21 09:45:53 Peer not up, flushing message queue GDB output: Reading symbols from /usr/local/rrdtool-1.4.2/lib/librrd.so.4...done. Loaded symbols for /usr/local/rrdtool/lib/librrd.so.4 Reading symbols from /usr/lib/libpng12.so.0...done. Loaded symbols for /usr/lib/libpng12.so.0 Reading symbols from /lib/libpcre.so.0...done. Loaded symbols for /lib/libpcre.so.0 Reading symbols from /lib/librt.so.1...done. Loaded symbols for /lib/librt.so.1 Reading symbols from /lib/libc.so.6...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /usr/lib/libxml2.so.2...done. Loaded symbols for /usr/lib/libxml2.so.2 Reading symbols from /lib/libm.so.6...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /usr/lib/libpangocairo-1.0.so.0...done. Loaded symbols for /usr/lib/libpangocairo-1.0.so.0 Reading symbols from /usr/lib/libpango-1.0.so.0...done. Loaded symbols for /usr/lib/libpango-1.0.so.0 Reading symbols from /usr/lib/libcairo.so.2...done. Loaded symbols for /usr/lib/libcairo.so.2 Reading symbols from /lib/libgobject-2.0.so.0...done. Loaded symbols for /lib/libgobject-2.0.so.0 Reading symbols from /lib/libgmodule-2.0.so.0...done. Loaded symbols for /lib/libgmodule-2.0.so.0 Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /lib/libglib-2.0.so.0...done. Loaded symbols for /lib/libglib-2.0.so.0 Reading symbols from /usr/lib/libz.so.1...done. Loaded symbols for /usr/lib/libz.so.1 Reading symbols from /lib/libpthread.so.0...done. Loaded symbols for /lib/libpthread.so.0 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /usr/lib/libpangoft2-1.0.so.0...done. Loaded symbols for /usr/lib/libpangoft2-1.0.so.0 Reading symbols from /usr/lib/libfontconfig.so.1...done. Loaded symbols for /usr/lib/libfontconfig.so.1 Reading symbols from /usr/lib/libfreetype.so.6...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /usr/lib/libXrender.so.1...done. Loaded symbols for /usr/lib/libXrender.so.1 Reading symbols from /usr/lib/libX11.so.6...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /lib/libexpat.so.0...done. Loaded symbols for /lib/libexpat.so.0 Reading symbols from /usr/lib/libXau.so.6...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Core was generated by `hobbitd_rrd --rrddir=/var/hobbit/data/rrd'. Program terminated with signal 6, Aborted. [New process 9999] #0 0x009c9410 in __kernel_vsyscall () (gdb) bt #0 0x009c9410 in __kernel_vsyscall () #1 0x0042ddf0 in raise () from /lib/libc.so.6 #2 0x0042f701 in abort () from /lib/libc.so.6 #3 0x08069e93 in sigsegv_handler () #4 <signal handler called> #5 0x00474a23 in strchr () from /lib/libc.so.6 #6 0x08052118 in do_ncv_rrd () #7 0x08058c6b in update_rrd () #8 0x0804a400 in main () Best regards, -- Kuba Heichman