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Does Mono work on Slices?
  • HippyJimHippyJim
    Hi All

    I'm currently hosted at another eeevil VPS host, and I want to move. SliceHost looks like exactly what I'm after, but I can't find any confirmation that I'll be able to run my Mono apps here (but I did find one blogger complaining they couldn't get Mono working). I'm currently subjected to an awful windows based VPS, but I'd prefer the penguin. The apps all need Mono 1.9.1 - which doesn't come in the standard Ubuntu/Debian repositories.

    Anyone got Mono 1.9.1 stuff working here? Is it stable enough for production use?
  • gpuk
    I haven't got any direct experience with mono but I can't see why you couldn't run any version you like. If the version of mono in the Ubuntu/Debian repositories is not current enough you could try finding a more up to date package from backports.org or just download the latest tarball from mono-project.com and compile from source.
  • HippyJimHippyJim
    Sounds fair. I've already got the backports version working on my Ubuntu test box at home, but I've been stung in the past by not asking the right questions before shelling out for hosting, only to find I have to pay extra to deal with things I assumed were going to work - it pays to be careful!

    What I was really hoping for was a reply from someone who has actually used Mono on SliceHost, to double check it works. Still, thanks for the reply.
  • gpuk
    Precaution is always wise and hopefully someone running mono will verify it for you but there's no reason it shouldn't work. With slicehost you get root on your own box with carte blanche to install anything you want - to all intents and purposes it is identical to running your own dedicated box. Therefore, anything you can do on a dedicated box you can do on your slice VPS (hardware resources permitting). Also, with Slicehost payment is monthly and you can cancel anytime so if it doesn't work out (I'm sure it will though) the worst case is you've lost 1 months fee.
  • artagesw
    Isn't per-slice billing done on a daily basis now? In which case, worst case is one day's fee lost. But yes, I agree there should be no reason mono would not run fine here (though I have not done so).
  • gpuk
    "Billing is monthly, cancel at anytime" according to the front page at least. Maybe they refund unused days of the month as well now? No idea as i've never had a reason to cancel :o)
  • SuperJaredSuperJared
    Slices are billed on a prorated basis. So if you have a slice for only three days, you are initially charged for the slice, and then credited the difference when it is deleted.
  • glenn-cns
    FWIW, I've installed mono as part of a Deki Wiki installation on a 256 slice and it works OK ;-)
  • HippyJimHippyJim
    Glenn - thanks for confirming. I'm currently struggling to get it to work. I'm using Ubuntu 7.10 and I compiled using the --with-xen_opt=yes option, but I get an error with even the most basic hello world console app. It looks like this:

    ** ERROR **: file mini-amd64.c: line 191 (amd64_patch): assertion
    failed: (amd64_is_imm32 (disp))
    aborting...
    Stacktrace:


    Native stacktrace:

    mono [0x530957]
    /lib/libpthread.so.0 [0x7f30a273b100]
    /lib/libc.so.6(gsignal+0x35) [0x7f30a2182765]
    /lib/libc.so.6(abort+0x110) [0x7f30a21841c0]
    /usr/lib/libglib-2.0.so.0(g_logv+0x3ab) [0x7f30a2b8563b]
    /usr/lib/libglib-2.0.so.0(g_log+0x83) [0x7f30a2b856d3]
    /usr/lib/libglib-2.0.so.0(g_assert_warning+0x76) [0x7f30a2b85756]
    mono [0x4300da]
    mono [0x4fa4fc]
    mono [0x51cf3d]
    mono [0x51d889]
    mono [0x51de77]
    mono(mono_exception_from_name_two_strings+0xe0) [0x48ed70]
    mono(mono_runtime_init+0x13e) [0x47970e]
    mono [0x4f7149]
    mono(mono_main+0x340) [0x416c70]
    /lib/libc.so.6(__libc_start_main+0xf4) [0x7f30a216eb44]
    mono(realloc+0x381) [0x4163a9]

    Any tips/clues?
  • ilikepi
    You might have run into "this bug":https://bugs.launchpad.net/ubuntu/+source/linux/+bug/237724.
  • HippyJimHippyJim
    Thanks ilikepi, that's exactly the bug, and the fix worked. My mono app is running nicely.
  • lordmortis
    which fix fixed it? compiling from source?
  • HippyJimHippyJim
    Lordmortis - as I recall, it was following these steps:

    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/237724/comments/2
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