Resolved Bugs
1210801 – Latest kernel update breaks tap-to-click function of Logitech TK820 keyboard/trackpad
1209088 – Chromebook Pixel (2015) touchpad and touchscreen do not work
1188741 – No sound on Dell XPS 13 9343 (2015 model)
1208999 – iscsi issues on 3.19 kernel
1214030 – CVE-2015-3339 kernel: race condition between chown() and execve()
1211017 – kernel WARNING nfs_direct_good_bytes upon clientds network partition during direct read when mounted using flex-files layout
1211013 – NFS client mounted via flex-files layout reads past EOF if O_DIRECT and block size >= 512k
1210857 – Very slow boot on multicore<br
The 4.0.1 stable update contains a number of important fixes across the tree.