Hi Robert, > First, I actually tried installing Mirage on a Fedora 21 VM but quickly ran > into package version conflicts between various dependencies of the > OCaml/Opam/Mirage toolchain. OCaml 4.02 breaks things I guess. I think the > instructions for installing on Fedora are out of date for this scenario.
Which instructions have you followed. We should fix them. > The first problem I encountered isn't really a blocker, more an annoyance, > but every time I run "mirage configure --unix", opam can't seem to find the > dependency "m4" and prompts me to reinstall it with apt-get. I don't know if > this is specifically a problem with Mirage OS, could be opam I suppose. Note: this is supposed to be handled automatically by the tool, you are not supposed to install anything manually. Maybe that's just a display problem. > Second, when I built the stackv4 example from mirage-skeleton I get this > error: > > File "main.ml <http://main.ml/>", line 1: Error: The files > /home/robert/.opam/system/lib/mirage-console/console_unix.cmi and > unikernel.cmi make inconsistent assumptions over interface Cstruct This message indicates that you are trying to link your unikernel with a version of cstruct different of the one used to compile console_unix. This is usually due to ocamlfind being confused. How did you install opam and ocamlfind (and what version of opam do you have)? Did you run "eval `opam config env``" before compiling the examples? What "ocamlfind query cstruct" return? > Third, when I managed to get one of the network samples building, for example > "ping", I couldn't get the unikernel running locally with a tun/tap device I > created. Even though I use tapctl to create a tap0 device owned by my user > account, just like the tutorial advises, when I go to execute the unikernel I > still get this error: > > Fatal error: exception Failure("net_tap0") > Raised at file "src/core/lwt.ml <http://lwt.ml/>", line 788, characters 22-23 > Called from file "src/unix/lwt_main.ml <http://lwt_main.ml/>", line 34, > characters 8-18 > Called from file "main.ml <http://main.ml/>", line 47, characters 2-28 This is rather cryptic but might indicate that you need to run the command using sudo. > With the latest iteration of by Mirage development VM I'm running Ubuntu > 15.04, OCaml 4.01.0a, Opam 1.2, and Mirage 2.4.0. Am I doing something wrong > or maybe am I just running too close to the bleeding edge versions of > everything? Our released software are supposed to work fine, although as you might have seen tthe documentation could be improved.,. Thank you for reporting your issues: this will help improve the experience for other users as well. Thomas
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