Hi,

I did some debugging and found out that the segfault in Zope on amd64
is due to some non-64-bit-compatible code in the initgroups.c source
file (lib/Components/initgroups/initgroups.c in the Zope source
package).  Here is a patch that fixes this problem:

--- initgroups.c~       2002-07-25 17:54:02.000000000 -0400
+++ initgroups.c        2005-01-22 01:36:44.422203184 -0500
@@ -25,7 +25,16 @@
        char *username;
        gid_t gid;
 
+#if defined(__x86_64__) || defined(__amd64) || defined(__amd64__)
+       /* gid_t is a 32-bit integer on amd64 so we should use the i
+          format specifier as the l specifier indicates a long which
+          is 64 bits.  This fixes a segfault caused by
+          PyArg_ParseTuple() overwriting the lower 32 bits of
+          username when setting gid.  */
+       if (!PyArg_ParseTuple(args, "si:initgroups", &username, &gid))
+#else
        if (!PyArg_ParseTuple(args, "sl:initgroups", &username, &gid))
+#endif
                return NULL;
 
        if (initgroups(username, gid) == -1)

With this patch I no longer get segfaults and I am able to bring up
the Zope management interface.

Hope this helps,
Per

-- 
Per Bojsen                                              <[EMAIL PROTECTED]>
7 Francis Road
Billerica, MA 01821-3618
USA


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