id summary reporter owner description type status component version resolution keywords cc guest host 183 vboxdrv host driver broken on 2.6.21-rc3 andrew.barr "{{{ root@conroe:~# modprobe vboxdrv FATAL: Error inserting vboxdrv (/lib/modules/2.6.21-rc3/misc/vboxdrv.ko): Invalid argument root@conroe:~# dmesg | tail -n 3 vboxdrv: Trying to deactivate NMI watchdog permanently... vboxdrv: NMI watchdog either active or at least initialized. Please disable the NMI vboxdrv: watchdog by specifying 'nmi_watchdog=0' at kernel command line. root@conroe:~# uname -a Linux conroe 2.6.21-rc3 #9 SMP PREEMPT Thu Mar 8 13:41:44 EST 2007 x86_64 GNU/Linux root@conroe:~# cat /proc/cmdline root=/dev/sda1 ro vga=791 resume=/dev/sda2 splash quiet nmi_watchdog=0 andrew@conroe:~/documents/src/vbox$ svn info Path: . URL: http://virtualbox.org/svn/vbox/trunk Repository Root: http://virtualbox.org/svn/vbox Repository UUID: cfe28804-0f27-0410-a406-dd0f0b0b656f Revision: 1372 Node Kind: directory Schedule: normal Last Changed Author: vboxsync Last Changed Rev: 1372 Last Changed Date: 2007-03-09 08:29:29 -0500 (Fri, 09 Mar 2007) }}} This problem goes back to at least r1077. " defect closed other VirtualBox 1.3.6 fixed other other