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Re: Easy to reproduce crash


From: Stefan Monnier
Subject: Re: Easy to reproduce crash
Date: Sun, 10 Aug 2003 18:28:41 -0400

> Well easy for me. I doubt anybody else can reproduce it.
> 
> I am running gnuserv on my desktop and on my firewall I run mutt and
> try to write a message, which calls gnuclient with the right
> options. Only if there is no tramp session running yet emacs crashes
> like below. So crash does not occur if tramp is already running, nor if
> I initiate tramp in any other way. This behaviour started about two
> weeks ago. There are four more pages in this backtrace. I you want them
> I'd sent them as well.
> 
> The desktop is running mandrake cooker on i386, the firewall OpenBSD on
> an 186. The emacs version is cvs from yesterday. compiled with
> gtk-support.
> 
> 
> 
> Breakpoint 1, abort () at /home/han/nfs/Emacs/emacs/src/emacs.c:417
> 417       kill (getpid (), SIGABRT);
> (gdb) bt
> #0  abort () at /home/han/nfs/Emacs/emacs/src/emacs.c:417
> #1  0x081620ad in mark_object (arg=-6208) at
> /home/han/nfs/Emacs/emacs/src/alloc.c:5078
> #2  0x0816208c in mark_object (arg=-6208) at
> /home/han/nfs/Emacs/emacs/src/alloc.c:5061
> #3  0x0816123e in mark_memory (start=0x8827800, end=0xbffff5ec) at
> /home/han/nfs/Emacs/emacs/src/alloc.c:3809
> #4  0x081612ba in mark_stack () at
> /home/han/nfs/Emacs/emacs/src/alloc.c:4033
> #5  0x0816183e in Fgarbage_collect () at

Can you recompile with GC_CHECK_MARKED_OBJECTS set
(adding -DGC_CHECK_MARKED_OBJECTS to the gcc command line) and
try again, to see if we can catch the problem earlier ?
Also, I'm not sure if I already asked you and if you replied (I'm
coming back from vacation), but could you try and find out when the
bug was introduced ?


        Stefan





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