Hey, I confirm this issue while installing the latest linux-headers:
" Setting up linux-headers-3.16-trunk-common (3.16-1~exp1) ... Setting up linux-kbuild-3.16 (3.16~rc7-1~exp1) ... Setting up linux-headers-3.16-trunk-amd64 (3.16-1~exp1) ... Examining /etc/kernel/header_postinst.d. run-parts: executing /etc/kernel/header_postinst.d/dkms 3.16-trunk-amd64 sed: -e expression #1, char 6: unknown command: `m' " Version: 2.2.0.3-1.2 thanks regards althaser