Bug 144555 - gdb can not work properly.
gdb can not work properly.
Status: CLOSED DUPLICATE of bug 145092
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: gdb (Show other bugs)
ia64 Linux
medium Severity medium
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Assigned To: Elena Zannoni
David Lawrence
Depends On:
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Reported: 2005-01-08 02:55 EST by L3support
Modified: 2007-11-30 17:07 EST (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2005-01-14 13:35:50 EST
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RHEL 7.3 requirements from Atomic Host:
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Description L3support 2005-01-08 02:55:07 EST
Description of problem:

We run our test program, then core dumped.
We run gdb using the core, run bt(backtrace).
But we can not.

This behavior is gdb's feature or bug ? 

<test program> a.c
#include <stdlib.h>

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1.run test program(a.c), core dumped
2.run gdb using core
3.run bt
Actual results:
gdb can not work properly.

Expected results:
gdb can work properly.

Additional info:
# ulimit -c 100000
# ./a.out
Aborted (core dumped)
# gdb a.out core.19085
GNU gdb Red Hat Linux (6.1post-1.20040607.43rh)
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
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
This GDB was configured as "ia64-redhat-linux-gnu"...(no debugging
symbols found)...Using host libthread_db library

Core was generated by `./a.out'.
Program terminated with signal 6, Aborted.

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

Reading symbols from /lib/tls/libc.so.6.1...(no debugging symbols
Loaded symbols for /lib/tls/libc.so.6.1
Reading symbols from /lib/ld-linux-ia64.so.2...(no debugging symbols
Loaded symbols for /lib/ld-linux-ia64.so.2
#0  <signal handler called>
(gdb) bt
#0  <signal handler called>
Cannot access memory at address 0x20

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