Re: Mirage Hello World (Re: Building mirage-www)

[Phiho Hoang <hohoangphi@xxxxxxxxx>]

Hi Richard,

> $ opam switch mirage-xen

Thanks for the info.

$ make build-basic

now completed successfully.

However:

hph@ubunxen:~/mirage-skeleton$ make run-basic

cd basic && mirari run --xen

[mirari] Using scanned config file hello.conf

[mirari] + xen mode

ERROR:  A different toolstack (xapi) have been selected!

make: *** [run-basic] Error 1

hph@ubunxen:~/mirage-skeleton$

How can I instruct 'mirari run' to use 'xapi' instead of 'xl'?

Is there something that can be added to 'basic/hello.conf' to achieve this?

If I edit /etc/default/xen:

# TOOLSTACK=xapi

TOOLSTACK=xl

hph@ubunxen:~/mirage-skeleton$ make run-basic

cd basic && mirari run --xen

[mirari] Using scanned config file hello.conf

[mirari] + xen mode

xc: error: Could not obtain handle on privileged command interface (13 = Permission denied): Internal error

libxl: error: libxl.c:87:libxl_ctx_alloc: cannot open libxc handle: Permission denied

cannot init xl context

make: *** [run-basic] Error 1

hph@ubunxen:~/mirage-skeleton$

and

hph@ubunxen:~/mirage-skeleton$ sudo make run-basic

cd basic && mirari run --xen

/bin/sh: 1: mirari: not found

make: *** [run-basic] Error 127

hph@ubunxen:~/mirage-skeleton$

BTW, I still cannot run the Mirage "hello World" unikernel as a simple POSIX binary as expected.

It does not print anything.

Cheers,

PhiHo

On Tue, Sep 10, 2013 at 5:15 AM, Richard Mortier <Richard.Mortier@xxxxxxxxxxxxxxxx> wrote:

hi phiho;

On 6 Sep 2013, at 22:19, Phiho Hoang wrote:

> To rebuild this as a Xen VM, simply opam switch and rebuild:
>
> $ opam switch 4.00.1+mirage-xen
> $ eval `opam config env`
> $ make build-basic
> </quote>
>
> I encountered this error:
>
> <quote>
> $ make build-basic
>
> ### basic: configure
> cd basic && mirari configure --unix
> /bin/sh: 1: mirari: not found
> make: *** [configure-basic] Error 127
> </quote>

drat-- that's my fault, again. sorry about this. i missed an inconsistency between the installation instructions and the hello world pages.

replace

$ opam switch 4.00.1+mirage-xen

above with

$ opam switch mirage-xen

...or, more generally, whichever opam compiler switch that you installed the mirage-xen, mirari, etc packages to.

--
Cheers,

R.




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