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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 41310] - HPPTD -X _k start -- fails without errors and stops without errors
Date Sun, 07 Jan 2007 19:41:58 GMT
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http://issues.apache.org/bugzilla/show_bug.cgi?id=41310





------- Additional Comments From medwayis@yahoo.com  2007-01-07 11:41 -------
Did some didin to get this right.

[root@terasembot log]# gdb httpd
GNU gdb Red Hat Linux (6.3.0.0-1.134.fc5rh)
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"...(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) b ap_process_request
Breakpoint 1 at 0x34676
(gdb) run -X -d /etc/httpd
Starting program: /usr/sbin/httpd -X -d /etc/httpd
Reading symbols from shared object read from target memory...(no debugging symbols found)...done.
Loaded system supplied DSO at 0xa84000
(no debugging symbols found)
Breakpoint 1 at 0x778676
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1208523088 (LWP 25897)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
---Type <return> to continue, or q <return> to quit---
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)

--  Stops here, nothing else --

2ND window:

[root@terasembot ~]# gdb httpd
GNU gdb Red Hat Linux (6.3.0.0-1.134.fc5rh)
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"...
(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) b ap_process_request
Breakpoint 1 at 0x34676
(gdb) run -X -d /etc/httpd
Starting program: /usr/sbin/httpd -X -d /etc/httpd
Reading symbols from shared object read from target memory...(no debugging symbols found)...done.
Loaded system supplied DSO at 0xf04000
(no debugging symbols found)
Breakpoint 1 at 0x410676
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1208506704 (LWP 25935)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
---Type <return> to continue, or q <return> to quit---s
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
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(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
---Type <return> to continue, or q <return> to quit---
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
---Type <return> to continue, or q <return> to quit---
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(98)Address already in use: make_sock: could not bind to address 0.0.0.0:80
no listening sockets available, shutting down
Unable to open logs

Program exited with code 01.


and this:

[root@terasembot ~]# gdb httpd -c core
GNU gdb Red Hat Linux (6.3.0.0-1.134.fc5rh)
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"...
(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

/root/core: No such file or directory.


and:

root     25892  0.1  2.6  29528 25368 pts/5    S    14:20   0:00 gdb httpd
root     25897  0.0  0.8  23700  7844 pts/5    S+   14:21   0:00 /usr/sbin/httpd
root     25905  0.0  0.2   7812  2604 ?        Rs   14:22   0:00 sshd: root@pts/
root     25908  0.0  0.1   4580  1500 pts/6    Ss   14:22   0:00 -bash
root     25946  0.0  0.0   4180   964 pts/6    R+   14:25   0:00 ps -aux
[root@terasembot ~]# 
[root@terasembot ~]# pstack 25897
#0  0x00f76402 in __kernel_vsyscall ()
#1  0x005f85e9 in sigsuspend () from /lib/libc.so.6
#2  0x080a47f1 in child_wait ()
#3  0x0809e07b in _initialize_thread_db ()
#4  0x0810fd45 in wait_for_inferior ()
#5  0x0810fe88 in proceed ()
#6  0x0810b8f0 in get_inferior_args ()
#7  0x08086683 in execute_command ()
#8  0x08119f8f in push_prompt ()
#9  0x0811ac75 in display_gdb_prompt ()
#10 0x081fcfc4 in rl_callback_read_char ()
#11 0x0811a11b in push_prompt ()
#12 0x08119b90 in gdb_do_one_event ()
#13 0x08119069 in delete_async_signal_handler ()
#14 0x08119828 in gdb_do_one_event ()
#15 0x08086b70 in throw_exception ()
#16 0x08086bc8 in catch_errors ()
#17 0x080c7569 in _initialize_tui_interp ()
#18 0x0811708f in current_interp_command_loop ()
#19 0x0807b74b in gdb_main ()
#20 0x08086b70 in throw_exception ()
#21 0x08086bc8 in catch_errors ()
#22 0x0807bf24 in gdb_main ()
#23 0x08086b70 in throw_exception ()
#24 0x08086bc8 in catch_errors ()
#25 0x0807b731 in gdb_main ()
#26 0x0807b6f5 in main ()


[root@terasembot ~]# gdb httpd 25897
GNU gdb Red Hat Linux (6.3.0.0-1.134.fc5rh)
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"...(no debugging symbols found)
Using host libthread_db library "/lib/libthread_db.so.1".

Attaching to program: /usr/sbin/httpd, process 25897
Reading symbols from shared object read from target memory...(no debugging symbols found)...done.
Loaded system supplied DSO at 0xf76000
`shared object read from target memory' has disappeared; keeping its symbols.
0x00f76402 in __kernel_vsyscall ()
(gdb) where
#0  0x00f76402 in __kernel_vsyscall ()
#1  0x005f85e9 in ?? ()
#2  0x00000000 in ?? ()
(gdb) 


I think I got all of it..  Let me know..

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