Unable to boot vkernel: "Permission denied"

[Antonio Huete Jimenez]

Hi Chirag,

Is the mount point where the vkernel resides mounted as noexec?

Cheers,
Antonio Huete

2011/3/14 Chirag Kantharia <chirag at kantharia.in>:
> Hello,
>
> I'm trying to setup a VKERNEL environment on my x86_64 desktop.
> Following the excellent article on setting up VKERNEL environment at
> http://www.dragonflybsd.org/docs/newhandbook/vkernel/ I was able to
> setup a root filesystem and compile the VKERNEL64 (all default
> settings) kernel. After setting the sysctl vm.vkernel_enable, trying
> to launch the vkernel, using ./boot/kernel -m 64m, I get
> "./boot/kernel: Permission denied".
>
> Upon googling, I found
> http://www.mail-archive.com/users@crater.dragonflybsd.org/msg11456.html,
> but the sysctl seems to be set correctly.
>
> Using ktrace, it looks like the execve failed with "Permission
> denied". The permissions for the ./boot/kernel file seem to be right.
>
> $ ls -lo ./boot/kernel
> total 23400
> -r-xr-xr-x  1 root  wheel  schg 23930386 Mar 14 20:28 kernel
>
> What am I missing?
>
> Thanks,
>
> --
> Chirag Kantharia
>
>