dmtcp-devel-2.4.0-13.2>t  DH`pYP'/=„\6=e' causes coordinator to write the port - number on which it listens into FILE. This is useful in conjunction with 'dmtcp_coordinator --port 0', which starts a coordinator at a random unused port. - 'dmtcp_restart --ckptdir ' and 'dmtcp_restart_script.sh --ckptdir ' will change to a new directory to hold checkpoint images on restart. - 'dmtcp_restart --no-strict-uid-checking' or 'dmtcp_coordinator --no-strict-uid-checking' [ allows a user with a different uid to restart a checkpoint image; process uid will be changed to that of the new user ] - './configure --enable-run-as-root' [ self explanatory; normally running as root is bad practice ] - a new internal plugin to handle 'ssh' uniformly; Some corner cases in checkpointing MPI could have been affected by this. - some bug fixes related to the new plugin software architecture initiated with DMTCP 2.0- New upstream release 1.2.8. - Removed dmtcp-includes.patch as it has been included in the new tarball. * Release Notes: - Bug fixes for newer ARM CPUs --- especially addressing cache coherency issues of multi-core ARM, and the more aggressive out-of-order execution for newer ARM CPUs. - On restart, gzip zombie processes associated with compressed checkpoint images were not always reaped properly. This is now handled correctly. - Peliminary support for using C++11 compilers to compile DMTCP (but not yet intensively tested). - Minor bug fixes.- Add missing include for (glibc 2.16)- Updating to upstream release 1.2.5 * Release Notes: - epoll, eventfd, and signalfd are now supported - The ARM architecture for Linux is now supported. (Linux currently supports 32-bit ARM EABI.) - The name "DMTCP module" is changed to "DMTCP plugin" (more common terminology). User plugins can greatly customize the behavior of DMTCP. - The dmtcp_checkpoint cmd was resetting the checkpoint interval even if the user did not specify the -i/--interval flag. This is now fixed. - Improved support for a planned Fedora package for DMTCP - On resume from ckpt, zero pages were sometimes expanded (increasing the memory footprint). This affected Java. This is now fixed. - Some bug fixes were provided for programs that intensively create and destroy threads (e.g. OpenMP, Java) - After restart, the floating point rounding mode (fesetround) was not being properly restored. This is now fixed. - There have been requests for support of DMTCP for PBS/TORQUE. Some partial support has now been added to the svn only (_not_ to this release). Please write to us if you need this support from DMTCP. - The FAQ at the DMTCP web site was expanded. - 15% slowdown observed in an unusual case: A user reports that if your program frequently does both of these: a. is heavily multi-threaded; and b. calls malloc/free intensively; This has been diagnosed. It was seen too close to this 1.2.5 release, and so the fix will be provided for the next release (and in the public svn).- Add dmctp-gcc47.patch: Fix build with gcc 4.7- Some changes were accidently reverted in the previous two commits. Adding them back.- There was a minor glitch in the previous tarball. This one fixes it.- Updating to upstream release 1.2.4 * Release Notes: - Preparing for upstream release 1.2.4. + Release Notes from upstream: - There is now much more robust treatment of processes that rapidly create and destroy threads. This was the case for the Java JVM (both for OpenJDK and Oracle (Sun) Java). This was also the case for Cilk. Cilk++ was not tested. We believe this new DMTCP to now be highly robust -- and we would appreciate receiving a notification if you find a Java or Cilk program that is not compatible with DMTCP. - Zero-mapped pages are no longer expanded and saved to the DMTCP checkpoint image. For Java programs (and other programs using zero-mapped pages for their allocation arena or garbage collecotr), the checkpoint image will now be much smaller. Checkpoint and restart times will also be faster. - DMTCP_ROOT/dmtcp/doc directory added with documentation of some DMTCP internals. architecture-of-dmtcp.pdf is a good place to start reading for those who are curious. - The directory of example modules was moved to DMTCP_ROOT/test/module. This continues to support third-part wrappers around system calls, can registering functions to be called by DMTCP at interesting times (like pre-checkpoint, post-resume, post-restart, new thread created, etc.). - This version of MTCP (inside this package) should be compatible with the checkpoint-restart service of Open MPI. The usage will be documented soon through the Open MPI web site. As before, an alternative is to simply start Open MPI inside DMTCP, and let DMTCP treat all of Open MPI as a "black box" that happens to be a ditributed computation - A new --prefix command line flag has been added to dmtcp_checkpoint. It operates similarly to the flag of the same name in Open MPI. For distributed computations, remote processes will use the prefix as part of the path to find the remote dmtcp_checkpoint command. This is useful when a gateway machine has a different directory structure from the remote nodes. - configure --enable-ptrace-support now uses ptrace module (more modular code). The ptrace module should also be more robust. It now fixes some additional cases that were missing earlier - ./configure --enable-unique-checkpoint-filenames was not respecting bin/dmtcp_checkpoint --checkpoint-open-files . This is now fixed. - If the coordinator received a kill request in the middle of a checkpoint, the coordinator could freeze or die. This has now been fixed, with the expected behavior: Kill the old computation that is in the middle of a checkpoint, and then allow any new computations to begin. - dmtcp_inspector utility was broken in last release; now fixed - configure --enable-forked-checkpoint was broken in the last release. It is fixed again. - Many smaller bug fixes.- don't fail on unknown options from %configure- Remove redundant tags/sections from specfile (cf. packaging guidelines)- Top level configure files updated to fix configure error.- Updating to upstream release 1.2.3.* 1.2.2 release notes from upstream: - A new module system, allowing users to write their own extensions to DMTCP, including wrappers around library calls. See the module subdirectory for examples. - ./configure --enable-m32 was not working in DMTCP 1.2.1. It works again now. - more bug fixes and robustness testing. Tested on kernels ranging from Linux 2.6.5 to the latest kernel. Tested especially on the Linux distributions: Red Hat/Fedora, Debian/Ubuntu, SuSe/OpenSUSE; although we don't know of any Linux distributions where it fails to run. - 'screen' did not checkpoint properly on machines using LDAP authentication. This could also affect processes using 'bash'. This has been fixed. - Furthermore, recent versions of 'screen' began calling 'utempter' when present Support for 'utempter' and some other setuid processes has been added. - Removed the requirement for libc.a in building DMTCP, since Red Hat does not include libc.a in its standard repository. - ./configure --enable-ptrace now more robust. Still labelled "experimental" for this release. You will need to enable this if you want to checkpoint gdb sessions, programs running under strace, and certain other applications. - ./configure --enable-fast-ckpt-restart can make ckpt/restart faster by using 'mmap'. You will need to set the environment variable DMTCP_GZIP to "0" if you use this. This feature is still experimental, and there are many other tricks for speeding up ckpt/restart. Please talk to the developers if this is important for your application. - Experimental support added for HBICT ( hbict.sf.net ). This provides support for incremental and differential checkpointing. However, this is still ongoing work. - Work has begun on improved support for process migration between different Linux kernels and distributions. Simple applications should migrate. Please talk to us if this feature is important to you. - We do not yet support the 'epoll' and 'inotify' Linux system calls. Recently, there has been some demand for this, and we intend to raise the priority. Please talk to us if this feature is important to you.- Exclude mtcp.c from installation.- Updating to upstream release 1.2.2.- libdmtcpaware.a moved to libdmtcpaware-devel-static package. - dmtcpaware examples moved to libdmtcpaware-doc package.- Build requirements updated. - Minor cleanup.- Added "ExclusiveArch %ix86 x86_64" and removed ExcludeArch lines. - buildroot not cleaned in %install section.- dependency on libc.a removed for mtcp_restart. - Several other bug fixes and improvements.- Updated to release 1.2.1- Remove debug flags.- Updated to revision 935.- Reverting tarball to prev version.- Testing fix for restart under 32-bit OSes.- Updated tarball with compiler warnings fixed.- Added python to dependency list for running make check.- Preparing for release 1.2.1. 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