Linux kernel 3.4.109 LTS brings with it lots of improvements to the ARM, PowerPC (PPC), C6X, MIPS, s390, and x86 hardware architectures, fixes issues reported by users in the Btrfs, EXT4, NFS, NILFS2, OCFS2, OMFS, and UDF filesystems, adds dozens of sound enhancements, as well as networking improvements, mostly for IPv4 and IPv6.