[MPlayer-users] getting a stack trace when X is hung

[D Richard Felker III]

On Sat, Oct 18, 2003 at 06:34:29PM -0700, rcooley wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Sat, 18 Oct 2003 17:53:02 -0700
> Aaron Brick <aaron at lithic.org> wrote:
> 
> > killall mplayer, which solves the problem. however, when i did so,
> > running it through gdb, i couldn't get X back until i had killed gdb
> > itself, which meant that i couldn't get a stack trace.
> > 
> > any suggestions on how to analyze this problem? thanks.
> 
> X is very cool...
> 
> Login to a VT as the same user that is running X.  Type something like
> the following:  "export DISPLAY=:0.0"
> 
> Then, from that text terminal, you can launch any GUI app, and it will
> show-up in X, but the I/O (gdb) will happen in that VT. 

Or use screen with multi-attach (-x)...

Rich