[OmniOS-discuss] Quick Test of r151021 ISO Install using Xen HVM and an "xdf" Device

[Prakash Surya]

Thanks Dan, this is exactly the process I took. I used the KMDB "trick" to
modify "apix_enable" and get the ISO installer to boot, and the updated
"/mnt/etc/system" after the installation completed (as Dan mentioned).

On Wed, Mar 8, 2017 at 7:08 AM, Dan McDonald <danmcd at omniti.com> wrote:

>
> On Mar 8, 2017, at 2:28 AM, Stephan Budach <stephan.budach at jvm.de> wrote:
>
> Can you elaborate on that a little more as of what exactly you did to the
> loader? I am guessing that you modified the kernel boot arguments,
> but unfortuanetly, I am unfamiliar with the new loader.
>
>
> Screenshots being inlined...
>
> Step 1:  Say hello to the new Loader menu:
>
>
> note that on the new ISO, there will be no "Select Boot Environment"
> option.  Nonetheless, we don't want that.  We want to modify the boot
> options (#5 or the 'O' key):
>
> Step 2:  Say hello to the Boot Options menu:
>
>
> To boot under kmdb  (the kernel debugger) AND have the kmdb prompt occur
> immediately you now simply enable kmdb with 'm' or with '7', and debug with
> 'd' or '8'.  After pressing both keys, things should look like this:
>
>
> Step 3:  Press RETURN to boot, and get to the kmdb prompt and fix
> apix_enable.
>
> You will get to the kmdb prompt now.  I've typed in three commands:
>  "apix_enable/X" to show its current value, "apix_enable/W0" to set it to
> 0, and "apix_enable/X" again to show it is indeed 0.  Pardon the noise on
> one part... using arrows for history on kmdb prints extra characters:
>
>
> Step 4:  Proceed with boot.
>
> Enter ":c" into kmdb and the kernel will boot.
>
>
> If you do that trick on the installer ISO, you'll jump immediately to the
> installation menu.
>
> Once booted, if it's an installed system, you can login and edit
> /etc/system to add: "set apix_enable=0" on a line by itself.  If it's the
> installer ISO, do the installation, THEN enter the shell and edit
> /mnt/etc/system.  The new installer keeps the newly-installed BE mounted on
> /mnt so people can post-process it after installation.  We MAY exploit this
> to enhance the installation menu and installation experience.
>
> Hope this helps!
> Dan
>
>
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