Re: Lwt installation error

[Dimosthenis Pediaditakis <dimosthenis.pediaditakis@xxxxxxxxxxxx>]

No, not at the moment.
I've installed a single XCP instance on Ubuntu server 12.10 (i7 quad 
core, 32GB ram), and have been experimenting with xapi.
I am not sure though if it would be better to switch to Debian 
squeeze/wheezy  instead of Ubuntu server 12.04/12.10
D.


On 25/06/13 16:54, Anil Madhavapeddy wrote:
> Do you have an XCP cluster set up at the Lab?  I can't test any changes against 
> xapi currently, as I only have Debian Xen machines.
>
> -anil
>
> On 25 Jun 2013, at 16:22, Dimosthenis Pediaditakis 
> <dimosthenis.pediaditakis@xxxxxxxxxxxx> wrote:
>
> > I've created ("fast") aliases, and have indeed noticed that it recompiles the 
> > compiler, but since I don't get any error, I am happy :-)
> >
> > At this point, I only want to test a few Mirage instances on XCP.
> > Mirari seems to be very convenient for automating the management of  mirage 
> > instances (e.g. on demand configure mirage app, build, deploy on XCP).
> >
> > A draft guide/tutorial on  using Mirari to configure and build Xen PV kernels 
> > would be more than welcome.
> >
> > Thank you for your responses,
> > D.
> >
> >
> >
> > On 25/06/13 15:47, Thomas Gazagnaire wrote:
> > > > You can create "fast" compiler switches without recompiling the compiler in 
> > > > OPAM by
> > > To be complete, the "fast" compiler switches is actually not so fast: it 
> > > recompiles the whole compiler for each alias. The reason is that it is quite hard to 
> > > ensure that the right subtree are exported from one compiler switch to another, as some 
> > > libraries are installed in PREFIX/lib/ocaml/NAME. I have some ideas to improve this, but 
> > > it is not working yet.
> > >
> > > So aliases ensure your installations are independent and separate, but you 
> > > don't really gain speed for now on.
> > >
> > > --
> > > Thomas
> > >
> > > > $ opam switch 4.00.1            # this will build a new compiler
> > > > $ opam switch myxen -a 4.00.1   # this will alias the 4.00.1 compiler
> > > >
> > > > You can use fast aliases to maintain lightweight chroots of the packages you 
> > > > want, so you can have mirage-unix installed in one, and mirage-xen in the other.
> > > >
> > > > (the docs on the webpage are almost certainly wrong -- I'm patching Mirari at 
> > > > the moment to simplify the build by outputting Makefiles, and then will update 
> > > > it all after testing).
> > > >
> > > > Let me know if you need any more help with this...
> > > >
> > > > -anil
> > > >
> > > > On 25 Jun 2013, at 14:30, Dimosthenis Pediaditakis 
> > > > <dimosthenis.pediaditakis@xxxxxxxxxxxx> wrote:
> > > >
> > > > > Hi everyone,
> > > > > has anyone had recently any problems installing 'lwt 2.4.3' against 
> > > > > '4.00.1+mirage-xen' (using opam)?
> > > > >
> > > > > Thanks,
> > > > > Dimos
> > > > >
> > > > >
> > > > > ---------------------------
> > > > >    Error message
> > > > > ---------------------------
> > > > > ocamlfind ocamlc -c -g -I src/core -package unix -package camlp4 -package 
> > > > > bigarray -syntax camlp4o -ppopt syntax/pa_lwt_options.cmo -ppopt 
> > > > > syntax/pa_lwt.cmo -ppopt syntax/pa_lwt_log.cmo -ppopt syntax/pa_optcomp.cmo -I 
> > > > > src/unix -I src/core -o src/unix/lwt_bytes.cmo src/unix/lwt_bytes.ml
> > > > > + ocamlfind ocamlc -c -g -I src/core -package unix -package camlp4 -package 
> > > > > bigarray -syntax camlp4o -ppopt syntax/pa_lwt_options.cmo -ppopt 
> > > > > syntax/pa_lwt.cmo -ppopt syntax/pa_lwt_log.cmo -ppopt syntax/pa_optcomp.cmo -I 
> > > > > src/unix -I src/core -o src/unix/lwt_bytes.cmo src/unix/lwt_bytes.ml
> > > > > File "src/unix/lwt_bytes.ml", line 273, characters 2-17:
> > > > > Error: Unbound value Array1.map_file
> > > > > Command exited with code 2.
> > > > >
> > > > > ----------------------------------------------------
> > > > >    lines 273-273 src/unix/lwt_bytes.ml
> > > > > ----------------------------------------------------
> > > > > let map_file ~fd ?pos ~shared ?(size=(-1)) () =
> > > > > Array1.map_file fd ?pos char c_layout shared size
> > > > >
> > > > > ---------------------------
> > > > >   System Info
> > > > > ---------------------------
> > > > > - Ubuntu server 12.10
> > > > > - Kernel 3.5.0-34-generic  x86_64
> > > > > - OCaml version: 4.00.1
> > > > > - Opam version: 1.0.0
> > > > > - Opam repositories:
> > > > > [git]   mirage-dev     git://github.com/mirage/opam-repo-dev
> > > > > [http]     default     http://opam.ocamlpro.com
> > > > > - Installed ocaml packages:
> > > > >      libcryptgps-ocaml-dev,  libcryptokit-ocaml, libcryptokit-ocaml-dev,   
> > > > > libfindlib-ocaml,   libfindlib-ocaml-dev, liblwt-glib-ocaml,  
> > > > > liblwt-glib-ocaml-dev,  liblwt-ocaml, liblwt-ocaml-dev,   liblwt-ocaml-doc, 
> > > > > liblwt-ssl-ocaml, liblwt-ssl-ocaml-dev,    libnethttpd-ocaml-dev, 
> > > > > libobrowser-ocaml-dev,    libocamlnet-ocaml, libocamlnet-ocaml-dev,    
> > > > > libocamlnet-ocaml-doc, libocsigen-ocaml,    libocsigen-ocaml-dev, 
> > > > > libocsigen-ocaml-doc,    libocsigen-xhtml-ocaml-dev, libocsigenserver-ocaml,    
> > > > > libocsigenserver-ocaml-dev, libpcre-ocaml,    libpcre-ocaml-dev,    
> > > > > libreact-ocaml, libreact-ocaml-dev,    libsqlite3-ocaml,    
> > > > > libsqlite3-ocaml-dev, libssl-ocaml,    libssl-ocaml-dev,    libtext-ocaml, 
> > > > > libtext-ocaml-dev,    libtyxml-ocaml,    libtyxml-ocaml-dev, libzip-ocaml,    
> > > > > libzip-ocaml-dev,    ocaml,    ocaml-base, ocaml-base-nox,    
> > > > > ocaml-compiler-libs,    ocaml-findlib, ocaml-interp,    ocaml-nox,    
> > > > > ocamlduce,    ocamlduce-base