Need Help in using GDB

Chiranjaya Tantrige <[email protected]> Tue, 11 Feb 2014 10:11:14 +0530
Newsgroups gmane.comp.gnu.utils
Message-ID <CALqvzu+ad8spT1H+Tu=YRyiKgbJSH9YbxYqCwd=A6drPn1zv8g@mail.gmail.com>
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Hi All,



We are having some issues in using gdb. When we use gdb to read a core file
it gives below highlighted error. Please advice on how to resolve it.



Regards,

Chiranjaya







5mse-v210(5.9):/u01/xxx/corefiles/TestCorefiles_xxx/Corefiles_100.11>/usr/local/bin/gdb
./AuthServer ./AuthServer.core

GNU gdb (GDB) 7.0

Copyright (C) 2009 Free Software Foundation, Inc.

License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html
>

This is free software: you are free to change and redistribute it.

There is NO WARRANTY, to the extent permitted by law.  Type "show copying"

and "show warranty" for details.

This GDB was configured as "sparc-sun-solaris2.9".

For bug reporting instructions, please see:

<http://www.gnu.org/software/gdb/bugs/>...

Reading symbols from
/u01/xxx/corefiles/TestCorefiles_xxx/Corefiles_100.11/AuthServer...done


warning: exec file is newer than core file.



warning: Can't read pathname for load map: I/O error.

Reading symbols from /usr/lib/libz.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libz.so.1

Reading symbols from /home/oracle/OraHome1/lib32/libclntsh.so.9.0...(no
debugging symbols found)...done.

Loaded symbols for /home/oracle/OraHome1/lib32/libclntsh.so.9.0

Reading symbols from /usr/lib/libpthread.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libpthread.so.1

Reading symbols from /usr/lib/libnsl.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libnsl.so.1

Reading symbols from /usr/lib/libgen.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libgen.so.1

Reading symbols from /usr/lib/librt.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/librt.so.1

Reading symbols from /usr/lib/libsocket.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libsocket.so.1

Reading symbols from /home/oracle/OraHome1/lib/libstdc++.so.2.10.0...done.

Loaded symbols for /home/oracle/OraHome1/lib/libstdc++.so.2.10.0

Reading symbols from /usr/lib/libm.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libm.so.1

Reading symbols from /usr/lib/libc.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libc.so.1

Reading symbols from /home/oracle/OraHome1/lib32/libwtc9.so...(no debugging
symbols found)...done.

Loaded symbols for /home/oracle/OraHome1/lib32/libwtc9.so

Reading symbols from /usr/lib/libdl.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libdl.so.1

Reading symbols from /usr/lib/libsched.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libsched.so.1

Reading symbols from /usr/lib/libaio.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libaio.so.1

Reading symbols from /usr/lib/libmp.so.2...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libmp.so.2

Reading symbols from /usr/lib/libmd5.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/lib/libmd5.so.1

Reading symbols from
/usr/platform/SUNW,Sun-Fire-V245/lib/libc_psr.so.1...(no debugging symbols
found)...done.

Loaded symbols for /usr/platform/SUNW,Sun-Fire-V245/lib/libc_psr.so.1

Reading symbols from /usr/lib/libthread.so.1...(no debugging symbols
found)...done.

[Thread debugging using libthread_db enabled]

[New Thread 1 (LWP 1)]

Loaded symbols for /usr/lib/libthread.so.1



warning: Can't read pathname for load map: I/O error.



warning: Can't read pathname for load map: I/O error.

Core was generated by `AuthServer 1 AuthServer_1'.

Program terminated with signal 5, Trace/breakpoint trap.

#0  0xfe61e5a4 in _poll () from /usr/lib/libc.so.1

(gdb) bt

#0  0xfe61e5a4 in _poll () from /usr/lib/libc.so.1

#1  0xfe5d2630 in _select () from /usr/lib/libc.so.1

#2  0xfe50e1cc in select () from /usr/lib/libthread.so.1

#3  0x000aa9a8 in SSocketMan::Run (this=0xfbae8, zName=0xcb250
"AuthServer") at /home/nse/src-lib/SSUN/SSocketSUN.C:2001

#4  0x0009eeb8 in SEventMan::Run (this=0xf88c4, zName=0xcb250 "AuthServer",
pErrCB=0xf88c0) at /home/xxx/src-lib/SSUN/SEventMan.C:386

#5  0x0004ed48 in AuthServer::Run (this=0xf88b8, iStartUpMode=1) at
/home/xxx/xxx/src/AuthServer/AuthServer.C:275

#6  0x00056354 in main (argc=3, argv=0xffbff8e4) at
/home/xxx/xxx/src/AuthServer/AuthServer.C:2535.

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<div dir=3D"ltr"><br clear=3D"all"><div><br></div><p class=3D"MsoNormal">Hi=
 All,</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal">We are having some issues in using gdb. When we use =
gdb to
read a core file it gives below highlighted error. Please advice on how to
resolve it.</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal">Regards,</p>

<p class=3D"MsoNormal">Chiranjaya</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal">5mse-v210(5.9):/u01/xxx/corefiles/TestCorefiles_xxx/=
Corefiles_100.11&gt;/usr/local/bin/gdb
./AuthServer ./AuthServer.core</p>

<p class=3D"MsoNormal">GNU gdb (GDB) 7.0</p>

<p class=3D"MsoNormal">Copyright (C) 2009 Free Software Foundation, Inc.</p=
>

<p class=3D"MsoNormal">License GPLv3+: GNU GPL version 3 or later &lt;<a hr=
ef=3D"http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</a=
>&gt;</p>

<p class=3D"MsoNormal">This is free software: you are free to change and re=
distribute
it.</p>

<p class=3D"MsoNormal">There is NO WARRANTY, to the extent permitted by law=
.=A0
Type &quot;show copying&quot;</p>

<p class=3D"MsoNormal">and &quot;show warranty&quot; for details.</p>

<p class=3D"MsoNormal">This GDB was configured as &quot;sparc-sun-solaris2.=
9&quot;.</p>

<p class=3D"MsoNormal">For bug reporting instructions, please see:</p>

<p class=3D"MsoNormal">&lt;<a href=3D"http://www.gnu.org/software/gdb/bugs/=
">http://www.gnu.org/software/gdb/bugs/</a>&gt;...</p>

<p class=3D"MsoNormal">Reading symbols from
/u01/xxx/corefiles/TestCorefiles_xxx/Corefiles_100.11/AuthServer...done</p>=
<p class=3D"MsoNormal"><br></p><p class=3D"MsoNormal">warning: exec file is=
 newer than core file.</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal"><span style=3D"background-color:yellow">warning:
Can&#39;t read pathname for load map: I/O error.</span></p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libz.so.1...(no debugg=
ing symbols
found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libz.so.1</p>

<p class=3D"MsoNormal">Reading symbols from
/home/oracle/OraHome1/lib32/libclntsh.so.9.0...(no debugging symbols
found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for
/home/oracle/OraHome1/lib32/libclntsh.so.9.0</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libpthread.so.1...(no
debugging symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libpthread.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libnsl.so.1...(no debu=
gging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libnsl.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libgen.so.1...(no debu=
gging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libgen.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/librt.so.1...(no debug=
ging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/librt.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libsocket.so.1...(no d=
ebugging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libsocket.so.1</p>

<p class=3D"MsoNormal">Reading symbols from
/home/oracle/OraHome1/lib/libstdc++.so.2.10.0...done.</p>

<p class=3D"MsoNormal">Loaded symbols for
/home/oracle/OraHome1/lib/libstdc++.so.2.10.0</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libm.so.1...(no debugg=
ing
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libm.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libc.so.1...(no debugg=
ing
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libc.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /home/oracle/OraHome1/lib32/lib=
wtc9.so...(no
debugging symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /home/oracle/OraHome1/lib32/libwt=
c9.so</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libdl.so.1...(no debug=
ging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libdl.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libsched.so.1...(no de=
bugging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libsched.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libaio.so.1...(no debu=
gging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libaio.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libmp.so.2...(no debug=
ging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libmp.so.2</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libmd5.so.1...(no debu=
gging
symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libmd5.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/platform/SUNW,Sun-Fire-V24=
5/lib/libc_psr.so.1...(no
debugging symbols found)...done.</p>

<p class=3D"MsoNormal">Loaded symbols for
/usr/platform/SUNW,Sun-Fire-V245/lib/libc_psr.so.1</p>

<p class=3D"MsoNormal">Reading symbols from /usr/lib/libthread.so.1...(no d=
ebugging
symbols found)...done.</p>

<p class=3D"MsoNormal">[Thread debugging using libthread_db enabled]</p>

<p class=3D"MsoNormal">[New Thread 1 (LWP 1)]</p>

<p class=3D"MsoNormal">Loaded symbols for /usr/lib/libthread.so.1</p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal"><span style=3D"background-color:yellow">warning:
Can&#39;t read pathname for load map: I/O error.</span></p>

<p class=3D"MsoNormal">=A0</p>

<p class=3D"MsoNormal"><span style=3D"background-color:yellow">warning:
Can&#39;t read pathname for load map: I/O error.</span></p>

<p class=3D"MsoNormal">Core was generated by `AuthServer 1 AuthServer_1&#39=
;.</p>

<p class=3D"MsoNormal">Program terminated with signal 5, Trace/breakpoint t=
rap.</p>

<p class=3D"MsoNormal">#0=A0 0xfe61e5a4 in _poll () from /usr/lib/libc.so.1=
</p>

<p class=3D"MsoNormal">(gdb) bt</p>

<p class=3D"MsoNormal">#0=A0 0xfe61e5a4 in _poll () from /usr/lib/libc.so.1=
</p>

<p class=3D"MsoNormal">#1=A0 0xfe5d2630 in _select () from /usr/lib/libc.so=
.1</p>

<p class=3D"MsoNormal">#2=A0 0xfe50e1cc in select () from
/usr/lib/libthread.so.1</p>

<p class=3D"MsoNormal">#3=A0 0x000aa9a8 in SSocketMan::Run (this=3D0xfbae8,
zName=3D0xcb250 &quot;AuthServer&quot;) at
/home/nse/src-lib/SSUN/SSocketSUN.C:2001</p>

<p class=3D"MsoNormal">#4=A0 0x0009eeb8 in SEventMan::Run (this=3D0xf88c4,
zName=3D0xcb250 &quot;AuthServer&quot;, pErrCB=3D0xf88c0) at /home/xxx/src-=
lib/SSUN/SEventMan.C:386</p>

<p class=3D"MsoNormal">#5=A0 0x0004ed48 in AuthServer::Run (this=3D0xf88b8,
iStartUpMode=3D1) at /home/xxx/xxx/src/AuthServer/AuthServer.C:275</p>

<p class=3D"MsoNormal">#6=A0 0x00056354 in main (argc=3D3, argv=3D0xffbff8e=
4) at
/home/xxx/xxx/src/AuthServer/AuthServer.C:2535.</p><p class=3D"MsoNormal"><=
br></p></div>

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