id summary reporter owner description type status component version resolution keywords cc guest host 18249 Installation of GuestAddition 6 on RHEL6 fails -> duplicate of #18238 Akemi Yagi "Building the '''vboxsf''' kernel module fails on '''RHEL6''' guest. {{{ /vboxsf/vfsmod.c: In function ‘sf_show_options’: /vboxsf/vfsmod.c:509: error: dereferencing pointer to incomplete type /vboxsf/vfsmod.c:515: error: implicit declaration of function ‘seq_printf’ /vboxsf/vfsmod.c:518: error: implicit declaration of function ‘seq_puts’ /vboxsf/vfsmod.c:519: error: implicit declaration of function ‘seq_escape’ }}} This is due to missing header files: {{{ }}} It was reported in the following forum post: https://forums.virtualbox.org/viewtopic.php?f=3&t=90978 The attached patch fixes the errors." defect closed guest additions VirtualBox 6.0.0 duplicate Linux all