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Re: Lots of SIGFPE and SIGSEGV found while debugging Sun hotspot vm on AMD64 machine
- From: Daniel Jacobowitz <drow at false dot org>
- To: Neo <cjia at cse dot unl dot edu>
- Cc: gdb <gdb at sourceware dot org>
- Date: Thu, 22 Mar 2007 13:46:36 -0400
- Subject: Re: Lots of SIGFPE and SIGSEGV found while debugging Sun hotspot vm on AMD64 machine
- References: <4602C5DA.email@example.com>
On Thu, Mar 22, 2007 at 12:07:22PM -0600, Neo wrote:
> Everything is fine when I am using gdb to debug Sun hotspot VM on IA32 machine.
> But something wired happens on AMD64 machine. Since the code executed on VM is
> dynamically generated I cannot get any information from the "bt" command. Is
> there any other approach to debug? Without attaching gdb, there is no error. I
> am using the latest version gdb from CVS.
It's probably generating those signals deliberately. Try using
"handle" to pass and ignore them. That's fairly common for JVMs.