Index: /trunk/ccl/level-1/linux-files.lisp
===================================================================
--- /trunk/ccl/level-1/linux-files.lisp	(revision 5997)
+++ /trunk/ccl/level-1/linux-files.lisp	(revision 5998)
@@ -1104,4 +1104,7 @@
             #+linux-target
             (or
+             (let* ((n (#_sysconf #$_SC_NPROCESSORS_ONLN)))
+               (declare (fixnum n))
+               (if (> n 0) n))
              (ignore-errors
                (with-open-file (p "/proc/cpuinfo")