It is now 8:55 AM, here is a hung/stale process from 5:01 AM:
[root@jidmail log]# ps aux | grep lcrdrla
lcrdrla 23436 0.0 0.0 3092 888
? S
05:01 0:00 imap
lcrdrla 6467 0.0 0.0 4068 868
? S
08:00 0:00 imap
root 20659 0.0 0.0 4232
660 pts/1 S+ 08:51 0:00 grep
lcrdrla
I am running CentOS 4.3
[root@jidmail log]# gdb attach 23436
GNU gdb Red Hat Linux (6.3.0.0-1.96rh)
Copyright 2004 Free Software Foundation, Inc.
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Type "show copying" to see the conditions.
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This GDB was configured as "i386-redhat-linux-gnu"...attach: No such file or directory.
Attaching to process 23436
Reading symbols from /usr/libexec/dovecot/imap...(no debugging symbols found)...done.
Using host libthread_db library "/lib/tls/libthread_db.so.1".
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/tls/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/tls/libc.so.6
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libnss_files.so.2
0x003627a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
(gdb) bt full
#0 0x003627a2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1 0x00438c6d in poll () from /lib/tls/libc.so.6
No symbol table info available.
#2 0x08086fd1 in io_loop_handler_run ()
No symbol table info available.
#3 0x08086abb in io_loop_run ()
No symbol table info available.
#4 0x0805a04c in main ()
No symbol table info available.
(gdb)