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diff -ruN lwp-2.0/src/lwp.c lwp-2.0-fixed/src/lwp.c
--- lwp-2.0/src/lwp.c 2005-03-25 17:50:56.000000000 +0100
+++ lwp-2.0-fixed/src/lwp.c 2005-05-05 14:32:56.580753096 +0200
@@ -463,6 +463,16 @@
#ifndef MMAP_LWP_STACKS
stackptr = (char *) malloc(stacksize);
#else
+ pagesize = getpagesize();
+
+#if defined(__x86_64__)
+ /* [gb] Ensure minimal stack size. Heuristically determined
+ through tdb test that 2048 is too small when printf() et al. come
+ into action. */
+ if (stacksize < pagesize)
+ stacksize = pagesize;
+#endif
+
#ifdef MAP_ANON
stackptr = mmap(lwp_stackbase, stacksize, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, -1, 0);
@@ -483,7 +493,6 @@
perror("stack: ");
assert(0);
}
- pagesize = getpagesize();
lwp_stackbase += ((stacksize/pagesize) + 2) * pagesize;
#endif
if (!stackptr)
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