[CentOS] "BUG: soft lockup - CPU#n stuck for X s! [swapper:0]"

Thu Feb 6 15:27:31 UTC 2014
Robert Heller <heller at deepsoft.com>

I just updated my quad-processor X64 machine (AMD Phenom(tm) II X4 945
Processor) to the latest CentOS 5 xen kernel (2.6.18-371.4.1.el5xen) and I am
getting occasional "BUG: soft lockup - CPU#n stuck for X s! [swapper:0]"
messages. I did some net searching, and found some bugzilla reports
(https://bugzilla.redhat.com/show_bug.cgi?id=649519 and
http://bugs.centos.org/view.php?id=4488), but neither are shown as resolved.
The machine *seems* to be running alright (it is not hanging or anything). Is
this something I need to worry about? Should I revert to the older kernel
(2.6.18-371.3.1.el5xen)? This is NOT happening on my single-processor 32-bit
laptop (running 2.6.18-371.4.1.el5).

Robert Heller             -- 978-544-6933 / heller at deepsoft.com
Deepwoods Software        -- http://www.deepsoft.com/
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