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Re: multithreaded app debugging

From: Daniel Jacobowitz <drow at mvista dot com>
To: Alan Hourihane <alan_hourihane at hotmail dot com>
Cc: gdb at sources dot redhat dot com
Date: Thu, 24 Apr 2003 09:54:09 -0400
Subject: Re: multithreaded app debugging
References: <b88lo0$hbj$1@main.gmane.org>

On Thu, Apr 24, 2003 at 01:37:45PM +0100, Alan Hourihane wrote:
> Hi,
> 
> I'm debugging a threaded application, but somewhere within the second
> thread it gets a
> 
> Program received signal SIG32, Real-time event 32
> 
> And then I hit continue for gdb to splurt out...
> 
> Couldn't get registers: Operation not permitted.
> 
> Any clues on how to fix gdb for this. I'm not sure where the SIG32 signal
> is coming from either.

That means the multithread code was not enabled; usually this means GDB
had a problem loading or activating thread_db, or got the wrong copy of
libpthread.so, or something similar.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer

References:
- multithreaded app debugging
  - From: Alan Hourihane

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