Re: attach gdbserver to itself

[Bin Chen <binary dot chen at gmail dot com>]

Daniel Jacobowitz wrote:
> On Wed, Jan 24, 2007 at 08:55:59PM +0800, Bin Chen wrote:
>   
> > binch@binary-ubuntu:~/work/Project/code/app_engine/APWifiCtrl$ 
> > arm_v4t_le-gdb src/wifictrld -x cmd
> > GNU gdb 6.0 (MontaVista 6.0-11.0.6.0401382 2004-10-08)
> >     
>
> You're using MontaVista's (modified) version of GDB.  I strongly
> recommend you contact them with any problems you may have.
>
>   
> > (gdb) bt
> > #0  0x4002c8f0 in wait () from 
> > /home/binch/work/Project/image/src/docimage/lib/libpthread.so.0
> > #1  0x0000d680 in segv_handler(int) (no=11) at wifictrld.cpp:88
> > #2  0x4002b570 in pthread_barrierattr_setpshared () from 
> > /home/binch/work/Project/image/src/docimage/lib/libpthread.so.0
> > #3  0x0000d680 in segv_handler(int) (no=-1) at wifictrld.cpp:88
> > Previous frame inner to this frame (corrupt stack?)
> >     
>
> This means that your version of GDB does not support backtracing
> through signal handlers - a common problem.  I believe the current
> FSF release of GDB (version 6.6) does this better.
>
>   
But I can do get the backtrace if I running the program through 
gdbserver, not dynamic attach when fault.

Anyway, I will try to compile 6.6 to ARM platform, is it supported in 
the release?