FreeBSD 10.3-RC2 Released

The FreeBSD project announced release of FreeBSD 10.3 - RC2, second release candidate for upcoming stable release of independently evolved BSD distribution.



According to official release mail, following are noteworthy changes made over previous release, ie, FreeBSD 10.3-RC1.
  • Under certain circumstances, `zfs send -i`, i. e. incremental ZFS send, could lead to data corruption, which has been addressed by importing an upstream fix.
  • Boot loaders and kernel have been taught to handle ELF sections of type SHT_AMD64_UNWIND just the same as SHT_PROGBITS when loading modules.  While not directly relevant for 10.3-RELEASE, clang as of version 3.8 started to produce sections of the former type in amd64 modules.  Thus, this changes will simplify upgrades from 10.3-RELEASE to 11.0-RELEASE later on. 
  • As part of closing or syncing a hash(3)-based database file, fsync(2) now is called on the latter.  This ensures that changes are on disk when shutting down a machine, which previously was not always the case with soft updates in place.  Additionally, this change allowed removal of O_SYNC in the dbopen(3) calls of cap_mkdb(1), pwd_mkdb(8) as well as services_mkdb(8), speeding these up on large database files.
See original release announcement in FreeBSD stable mailing list.

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