Re: GNU Guile 1.9.0 released (alpha)

[Mike Gran]

----- Original Message ----
> From: Linas Vepstas <address@hidden>
> To: Andy Wingo <address@hidden>
> Cc: Ludovic Courtès <address@hidden>; address@hidden
> Sent: Sunday, June 21, 2009 2:17:46 AM
> Subject: Re: GNU Guile 1.9.0 released (alpha)
> 
> 2009/6/20 Andy Wingo :
> > On Sat 20 Jun 2009 05:00, Linas Vepstas writes:
> >
> >> Running r6rs-ports.test
> >> /bin/sh: line 4:  7268 Segmentation fault      ${dir}$tst
> >> FAIL: check-guile
> >
> > A few more things you could try, in addition to what Neil and Ludovic
> > said:
> >
> > ./check-guile r6rs-ports.test
> >
> > Does this segfault for you?
> 
> No .... err yes .. it passed 3 times, failed the fourth time.
> I guess there's a race condition,looks to be in the gc.
> 
> >  If so:
> >
> > ./check-guile -i meta/gdb-uninstalled-guile r6rs-ports.test
> 
> It seems to crash once out of every 5-10 times.
> 

Hi guys.

Not really in a position to help, since I'm still AFK, but, 
somewhere along the line I pushed this patch to r6rs vectors
in the String_abstraction2 tree.

--- a/libguile/r6rs-ports.c
+++ b/libguile/r6rs-ports.c
@@ -210,7 +210,10 @@ static SCM
 cbp_mark (SCM port)
 {
   /* Mark the underlying method and object vector.  */
-  return SCM_PACK (SCM_STREAM (port));
+  if (SCM_PTAB_ENTRY (port) != NULL)
+    return SCM_PACK (SCM_STREAM (port));
+  else
+    return SCM_BOOL_F;
 }