Attention anyone using BLCR for checkpoint/restart functionality, you are encouraged to upgrade to the latest release of BLCR, 0.6.3. This fixes a data corruption problem seen my a number of users.

The release announcement is enclosed, and below is a link to the resolved bug if you are interested in more details.
http://upc-bugs.lbl.gov/bugzilla/show_bug.cgi?id=2001

-- Josh


Begin forwarded message:

From: "Paul H. Hargrove" <hargr...@hpcrd.lbl.gov>
Date: January 22, 2008 3:14:31 PM GMT-05:00
To: checkpo...@lbl.gov
Subject: Announcing the release of BLCR 0.6.3

First, let me apologize for the download problems many of you encountered with the 0.6.2 release.

Second, only a week after releasing 0.6.2, there is a 0.6.3 release to fix a floating-point corruption problem on the x86-64 architecture (present in 0.6.2 and all previous releases for the x86-64 architecture).

The 0.6.3 release is now available from the BLCR Downloads page:
http://ftg.lbl.gov/CheckpointRestart/CheckpointDownloads.shtml

From the NEWS file:

0.6.3
--------
January 22, 2008
Bug-fix release.
- This release fixes bug 2001 which was causing intermittent floating-
  point register corruption on x86-64, even after BLCR was unloaded.


-Paul

PS
You are receiving this either because you are on the checkpo...@lbl.gov list, or because you've recently sent email to the list (or me directly)
asking about BLCR status.


--
Paul H. Hargrove                          phhargr...@lbl.gov
Future Technologies Group
HPC Research Department                   Tel: +1-510-495-2352
Lawrence Berkeley National Laboratory     Fax: +1-510-486-6900


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