[Mono-bugs] [Bug 397671] New: mdb crashes before stopping in Main of program

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Thu Jun 5 17:04:55 EDT 2008


           Summary: mdb crashes before stopping in Main of program
           Product: Mono: Debugger
           Version: SVN
          Platform: x86-64
        OS/Version: RHEL 4
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: cli
        AssignedTo: martin at novell.com
        ReportedBy: joncham at gmail.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

Description of Problem:
mdb crashes before stopping in Main of program

Steps to reproduce the problem:
1. Run mdb
2. Specify program to run
3. issue run command

Actual Results:
[mono] ~/mono_microbench/parse_tests @ mdb
Mono Debugger
(mdb) file ./Program.exe
Executable file: ./Program.exe.
(mdb) run
Starting program: ./Program.exe
Thread @1 stopped at #0: 0x7fbfffee21.
0x7fbfffee21    add    %al,(%rax)
(mdb) cont
Thread @1 received signal 11 at #0: 0x7fbfffee21.
0x7fbfffee21    add    %al,(%rax)
(mdb) bt
(*) #0: 0x7fbfffee21
    #1: 0x0044c085 in <method called from mdb>
(mdb) cont

Native stacktrace:

Thread @1 received signal 11 at #0: 0x30a463f6de in vfprintf+0x1e.
0x30a463f6de    mov    %rdx,0xfffffffffffffac8(%rbp)
(mdb) bt
(*) #0: 0x30a463f6de in vfprintf+0x1e
    #1: 0x0044c085 in <method called from mdb>

Expected Results:
No crash

How often does this happen? 

Additional Information:
[mono] ~/mono_microbench/parse_tests @ mono -V
Mono JIT compiler version 1.9 (/trunk/ r105052)
Copyright (C) 2002-2008 Novell, Inc and Contributors. www.mono-project.com
        TLS:           __thread
        GC:            Included Boehm (with typed GC)
        SIGSEGV:       altstack
        Notifications: epoll
        Architecture:  amd64
        Disabled:      none

[mono] ~/mono_microbench/parse_tests @ mdb -V
The Mono Debugger is (C) 2003-2007 Novell, Inc.

The debugger source code is released under the terms of the GNU GPL

For more information on Mono, visit the project Web site

The debugger was written by Martin Baulig and Chris Toshok

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