Backtrace on the core, this is the latest snapshot. I do not have the patience to fully test clientupdate, so I will assume it is broken otherwise and that it may be fixed in the final version. Regardless this is for hobbitd_alert:

[hobbit at hobbit server]$ gdb bin/hobbitd_alert tmp/core.29742 GNU gdb Red Hat Linux (6.3.0.0-1.122rh) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

warning: exec file is newer than core file. Reading symbols from shared object read from target memory...done. Loaded system supplied DSO at 0x4f2000 Core was generated by `hobbitd_alert --checkpoint-file=/home/hobbit/server/tmp/alert.chk --checkpoint-'. Program terminated with signal 6, Aborted.

warning: svr4_current_sos: Can't read pathname for load map: Input/output error

Reading symbols from /lib/libpcre.so.0...done. Loaded symbols for /lib/libpcre.so.0 Reading symbols from /lib/libc.so.6...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 #0 0x004f2402 in __kernel_vsyscall () (gdb) bt #0 0x004f2402 in __kernel_vsyscall () #1 0x00538159 in raise () from /lib/libc.so.6 #2 0x005396e3 in abort () from /lib/libc.so.6 #3 0x0805a0f3 in sigsegv_handler (signum=11) at sig.c:57 #4 <signal handler called> #5 0x0054dc46 in vfprintf () from /lib/libc.so.6 #6 0x00553282 in fprintf () from /lib/libc.so.6 #7 0x08049dd7 in save_checkpoint (filename=0x9878098 "/home/hobbit/server/tmp/alert.chk") at hobbitd_alert.c:242 #8 0x0804a9ea in main (argc=Cannot access memory at address 0xffffffff ) at hobbitd_alert.c:502 (gdb) q

The cores match up with these entries in page.log:

2006-07-23 14:50:45 Worker process died with exit code 134, terminating 2006-07-23 20:02:22 Worker process died with exit code 134, terminating 2006-07-24 11:51:27 Worker process died with exit code 134, terminating

And these in hobbitlaunch.log

2006-07-23 14:50:45 Task bbpage terminated, status 1 2006-07-23 20:02:22 Task bbpage terminated, status 1 2006-07-24 11:51:27 Task bbpage terminated, status 1

Server is Fedora Core 5.