diff --git a/Makefile b/Makefile
index 2e7fb4c..b374a16 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,15 @@ PYTHON	?= python
 all:
 	$(PYTHON) setup.py build
 
+rpm:
+	$(PYTHON) setup.py bdist_rpm
+
+srcrpm:
+	$(PYTHON) setup.py bdist_rpm
+
+srcdist:
+	$(PYTHON) setup.py sdist
+
 install:
 	$(PYTHON) setup.py install --prefix=$(PREFIX) --root=$(DESTDIR)
 
diff --git a/NEWS b/NEWS
index 9201667..e4bb4d3 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,14 @@
+============================================================
+Cpuset 1.5.5 Pre-release (XXX, 2010)
+http://code.google.com/p/cpuset
+http://download.opensuse.org/repositories/home:/tsariounov:/cpuset/
+
+Maintenance update to 1.5.4 includes fixes as follows.
+
+* Fix for Issue#3: cset fails to create cpu sets if some cpus are offline
+  Problem in cset.rescan() for maxcpu if root cpuset cpus are complex
+  pattern due to offlining cpus.
+
 ============================================================
 Cpuset 1.5.4 (May 7, 2010)
 http://code.google.com/p/cpuset
diff --git a/cpuset.spec b/cpuset.spec
index af47ef9..20d05a3 100644
--- a/cpuset.spec
+++ b/cpuset.spec
@@ -16,7 +16,7 @@
 # norootforbuild  
 
 Name:           cpuset
-Version:        1.5.4
+Version:        1.5.4.2
 Release:        1
 License:        GPL v2 only
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
diff --git a/cpuset/cset.py b/cpuset/cset.py
index 65aa0aa..9850443 100644
--- a/cpuset/cset.py
+++ b/cpuset/cset.py
@@ -343,8 +343,11 @@ def rescan():
     global RootSet, maxcpu, allcpumask
     RootSet = CpuSet()
     # figure out system properties
-    maxcpu = int(RootSet.cpus.split('-')[-1])
+    log.debug("rescan: all cpus = %s", RootSet.cpus)
+    maxcpu = int(RootSet.cpus.split('-')[-1].split(',')[-1])
+    log.debug("        max cpu = %s", maxcpu)
     allcpumask = calc_cpumask(maxcpu)
+    log.debug("        allcpumask = %s", allcpumask)
 
 def cpuspec_check(cpuspec, usemax=True):
     """check format of cpuspec for validity"""