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gdb/2307: RHEL 4, Kernel 2.6.9-5.ELsmp, gcc 3.4.3, gdb 6.6: Gdb crashes while running 32 bit executable on this platform


>Number:         2307
>Category:       gdb
>Synopsis:       RHEL 4, Kernel 2.6.9-5.ELsmp, gcc 3.4.3, gdb 6.6: Gdb crashes while running 32 bit executable on this platform
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 29 20:08:01 UTC 2007
>Closed-Date:
>Last-Modified:
>Originator:     rohit_jain@mentor.com
>Release:        GNU gdb 6.6
>Organization:
>Environment:
Reading specs from /usr/lib/gcc/x86_64-redhat-linux/3.4.3/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-languages=c,c++,objc,java,f77 --enable-java-awt=gtk --host=x86_64-redhat-linux
Thread model: posix
gcc version 3.4.3 20041212 (Red Hat 3.4.3-9.EL4)


GNU gdb 6.6
This GDB was configured as "x86_64-unknown-linux-gnu".


Linux xyz 2.6.9-5.ELsmp #1 SMP Wed Jan 5 19:29:47 EST 2005 x86_64 x86_64 x86_64 GNU/Linux


Red Hat Enterprise Linux WS release 4 (Nahant)
Kernel \r on an \m
>Description:
GDB (both 32 bit and 64 bit builds) crashes on this platform while trying to run 32 bit executable. This crash is specific to this kernel version.

(gdb) r
Starting program: ./test
Segmentation fault

Message from syslogd@xyz at Tue Aug 28 18:12:41 2007 ...
xyz kernel: invalid operand: 0000 [57] SMP

I have attached a reproducible test for this crash.
>How-To-Repeat:
Steps to reproduce crash:
- 'make'
- 'gdb ./test'
- 'run'

Gdb will crash with following error:

(gdb) r
Starting program: ./test
Segmentation fault

Message from syslogd@xyz at Tue Aug 28 18:12:41 2007 ...
xyz kernel: invalid operand: 0000 [57] SMP
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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