Re: [hobbit] [trunk] coredump on hobbitfetch

["Gatis A." <gatis.anee (at) gmail.com>]

More info.

After the following messages in logfile hobbitfetch dumps core and goes red:

2009-01-27 08:33:30 Got 1380 bytes of data from 192.168.0.1:1984 (req 2388)
2009-01-27 08:33:30 Got 1380 bytes of data from 192.168.0.1:1984 (req 2388)
2009-01-27 08:33:30 Got 1380 bytes of data from 192.168.0.1:1984 (req 2389)
2009-01-27 08:33:30 Got 1380 bytes of data from 192.168.0.1:1984 (req 2389)

Core was generated by `/home/hob/xymon/server/bin/hobbitfetch
--server=127.0.0.1 --no-daemon --pid'.
Program terminated with signal 6, Aborted.
#0  0x00495402 in __kernel_vsyscall ()
(gdb) backtrace
#0  0x00495402 in __kernel_vsyscall ()
#1  0x00501d10 in raise () from /lib/libc.so.6
#2  0x00503621 in abort () from /lib/libc.so.6
#3  0x08050ff3 in sigsegv_handler (signum=11) at sig.c:57
#4  <signal handler called>
#5  main (argc=5, argv=Cannot access memory at address 0x4
) at hobbitfetch.c:709
(gdb)

In addition column "hobbitfetch" goes "red", then "purple" and never returs
to "green" status.
It looks that hobbitfetch sends only "red" statuses. "purple" need to be
dropped manualy.





On Mon, Jan 26, 2009 at 10:10 AM, Gatis A. <gatis.anee (at) gmail.com> wrote:

> Hi,
>
> I got the same problem on RHEL5.2 with kernel 2.6.18-92.1.18.el5,
> hobbitfetch goes purple with "- - Program crashed Fatal signal caught!"
> and dumps core:
>
> [hob (at) localhost tmp]$ file core.19489
> core.19489: ELF 32-bit LSB core file Intel 80386, version 1 (SYSV),
> SVR4-style, from 'hobbitfetch'
>
> [hob (at) localhost tmp]$ gdb ../bin/hobbitfetch core.19489
> GNU gdb Red Hat Linux (6.5-37.el5_2.2rh)
> Copyright (C) 2006 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: Can't read pathname for load map: Input/output error.
> 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
> Core was generated by `/home/hob/xymon/server/bin/hobbitfetch
> --server=127.0.0.1 --no-daemon --pid'.
> Program terminated with signal 6, Aborted.
> #0  0x00e83402 in __kernel_vsyscall ()
> (gdb) quit
>
>
>
>
>
> On Tue, Jan 13, 2009 at 2:39 PM, Olivier Beau <obeau79 (at) gmail.com> wrote:
>
>> $ /data/hobbit/server$ gdb bin/hobbitfetch  tmp/core
>> GNU gdb 6.4.90-debian
>> Copyright (C) 2006 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 "i486-linux-gnu"...Using host libthread_db
>> library "/lib/tls/i686/cmov/libthread_db.so.1".
>>
>>
>> warning: Can't read pathname for load map: Input/output error.
>> Reading symbols from /usr/lib/libz.so.1...done.
>> Loaded symbols for /usr/lib/libz.so.1
>> Reading symbols from /lib/tls/i686/cmov/libc.so.6...done.
>> Loaded symbols for /lib/tls/i686/cmov/libc.so.6
>> Reading symbols from /lib/ld-linux.so.2...done.
>> Loaded symbols for /lib/ld-linux.so.2
>> Core was generated by `/data/hobbit/server/bin/hobbitfetch
>> --server=127.0.0.1 --no-daemon --pidfile=/d'.
>> Program terminated with signal 6, Aborted.
>> #0  0xb7f4f410 in ?? ()
>> (gdb) bt
>> #0  0xb7f4f410 in ?? ()
>> #1  0xbfc2ed9c in ?? ()
>> #2  0x00000006 in ?? ()
>> #3  0x0000734c in ?? ()
>> #4  0xb7e28811 in raise () from /lib/tls/i686/cmov/libc.so.6
>> #5  0xb7e29fb9 in abort () from /lib/tls/i686/cmov/libc.so.6
>> #6  0x08051a01 in sigsegv_handler (signum=11) at sig.c:58
>> #7  0xb7f4f420 in ?? ()
>> #8  0x0000000b in ?? ()
>> #9  0x00000033 in ?? ()
>> #10 0x00000000 in ?? ()
>> (gdb)
>>
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>