From: Paul H. Hargrove (PHHargrove_at_lbl_dot_gov)
Date: Mon Feb 05 2007 - 17:27:33 PST
A beta release of BLCR 0.5.0 is now available at http://mantis.lbl.gov/blcr-dist Below is the NEWS entry (relative to the Nov. 2005 0.4.2 release). This will become 0.5.0 in 7 days, unless significant new bugs are reported before then. -Paul PS You are receiving this either because you are on the checkpoint_at_lbl_dot_gov list, or because you've recently sent email to the list (or me directly) asking about BLCR status. 0.5.0_b1 -------- February 5, 2007 Functionality and expanded-support release. - Expanded kernel coverage + 2.6.0 through 2.6.17 for x86 and x86_64 + 2.4.0 through 2.4.29 for x86 only + There are known issues w/ 2.6.18 and 2.4.30 at this time - Multi-process support (related processes and associated pipes) + See BLCR_Users_Guide.html and the cr_checkpoint man page - Support for 32-bit apps on 64-bit kernels + See "--enable-multilib" in BLCR_Admin_Guide.html - Support for checkpoints on Luster file systems + Contributed by Dean Luick <luick_at_cray_dot_com> - Support for building static libcr + Contributed by Dean Luick <luick_at_cray_dot_com> - Fixes to many distclean problems + Issues identified by Dean Luick <luick_at_cray_dot_com> - I/O aggregation for improved performance + Contributed by Qi Gao <[email protected]> - Additional examples and test cases - API addition: cr_get_restart_info() - "Retool" of configure code for ease of addition/maintenance - Numerous bug fixes, including: + Bug 1640: context files > 2GB require O_LARGEFILE + Bug 1662: context files open R/W leads to restart failure + Bug 1669: checkpoint to a socket fails + Wrong parent for restored orphans (children of init) + dup()ed file descriptors always restored together -- Paul H. Hargrove PHHargrove_at_lbl_dot_gov Future Technologies Group HPC Research Department Tel: +1-510-495-2352 Lawrence Berkeley National Laboratory Fax: +1-510-486-6900