id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host
16474,5.1 installation fails on Sierra due to kext load issue,Mike446,,"Tested on Mac OS X 10.12.3, fairly recently installed with virtualbox 5.1.14.

{{{
Feb  9 16:46:22 oiketes installd[429]: PackageKit: prevent user idle system sleep
Feb  9 16:46:22 oiketes installd[429]: PackageKit: suspending backupd
Feb  9 16:46:22 oiketes installd[429]: PackageKit: Executing script ""./preflight"" in /private/tmp/PKInstallSandbox.BOhp2m/Scripts/org.virtualbox.pkg.virtualbox.DqpVZp
Feb  9 16:46:22 oiketes installd[429]: PackageKit: Using trashcan path /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/PKInstallSandboxTrash/B4A71E15-7725-4A78-A613-652406DB7FB1.sandboxTrash for sandbox /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/C/PKInstallSandboxManager/B4A71E15-7725-4A78-A613-652406DB7FB1.activeSandbox
Feb  9 16:46:22 oiketes install_monitor[96974]: Temporarily excluding: /Applications, /Library, /System, /bin, /private, /sbin, /usr
Feb  9 16:46:22 oiketes installd[429]: PackageKit: Shoving /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/C/PKInstallSandboxManager/B4A71E15-7725-4A78-A613-652406DB7FB1.activeSandbox/Root (3 items) to /
Feb  9 16:46:22 oiketes installd[429]: PackageKit: Executing script ""./postflight"" in /private/tmp/PKInstallSandbox.BOhp2m/Scripts/org.virtualbox.pkg.vboxkexts.2lA03l
Feb  9 16:46:22 oiketes installd[429]: ./postflight: /Library/LaunchDaemons/org.virtualbox.startup.plist
Feb  9 16:46:22 oiketes installd[429]: ./postflight: /Library/Application Support/VirtualBox/VBoxDrv.kext failed to load - (libkern/kext) kext (kmod) start/stop routine failed; check the system/kernel logs for errors or try kextutil(8).
Feb  9 16:46:22 oiketes install_monitor[96974]: Re-included: /Applications, /Library, /System, /bin, /private, /sbin, /usr
Feb  9 16:46:23 oiketes installd[429]: PackageKit: releasing backupd
Feb  9 16:46:23 oiketes installd[429]: PackageKit: allow user idle system sleep
Feb  9 16:46:23 oiketes installd[429]: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=112 ""An error occurred while running scripts from the package “VirtualBox.pkg”."" UserInfo={NSFilePath=./postflight, NSURL=file://localhost/Volumes/VirtualBox/VirtualBox.pkg#VBoxKEXTs.pkg, PKInstallPackageIdentifier=org.virtualbox.pkg.vboxkexts, NSLocalizedDescription=An error occurred while running scripts from the package “VirtualBox.pkg”.} {
	    NSFilePath = ""./postflight"";
	    NSLocalizedDescription = ""An error occurred while running scripts from the package \U201cVirtualBox.pkg\U201d."";
	    NSURL = ""file://localhost/Volumes/VirtualBox/VirtualBox.pkg#VBoxKEXTs.pkg"";
	    PKInstallPackageIdentifier = ""org.virtualbox.pkg.vboxkexts"";
	}
}}}

In dmesg I see:

{{{
VBoxDrv: vmx_resume=ffffff801a817fb0 vmx_suspend=ffffff801a817f60 vmx_use_count=ffffff801ae8e7c0 (0) cr4=0x1627e0
VBoxDrv: cdevsw_add failed (-1)
}}}

I'm not sure how to debug this problem further at the moment
",defect,new,other,VirtualBox 5.1.14,,,,other,Mac OS X