Debugging 64bit xemacs (beta, latest cvs) on sparc64 (Sun T1000)

Andrew Walrond andrew at walrond.org
Fri Dec 1 06:28:07 EST 2006


On Fri, 2006-12-01 at 12:05 +0100, Aidan Kehoe wrote:

> Or endian-specific. 
> 

Indeed, though perhaps 64bit endian specific since sparc32 xemacs seems
fine.

>  > Anyhow, to diagnose the problem I have downloaded (cvs) and built the
>  > latest beta version and installed the sumo tarball.
>  > 
>  > I enabled core dumps, loaded up some kernel sources into xemacs and
>  > started playing around, splitting windows and scrolling about. Sure
>  > enough, I soon got a segfault, and here is the backtrace:
> 
> Thank you for it! 

Welcome!

> 
> Nothing comes to mind as a likely source of the problem; memcpy shouldn’t
> have alignment restrictions. The crash takes place during a call of the Lisp
> function command-error: if you do an xemacs -vanilla , then evaluate 
> 
> (command-error (cons 'quit "Hi there"))
> 
> in *scratch*, do you see it? 
> 

Hmm, I get
	Peculiar error (quit . "Hi there")t 

Looks like a  quote mismatch (unbalanced '). I tried a few combinations
without any luck (I don't know lisp so its not obvious to me). Whats the
correct command?

Andrew
	





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