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Hyper-V 2016 Gen2 VM (UEFI) fails to complete network boot

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  • T
    Tom Elliott
    last edited by May 25, 2017, 5:24 PM

    While working this out through chat, I’ve pushed patched, and working ipxe binaries that address this particular problem with booting. I should note, however, this is still not a “FOG” specific problem, rather something went wonky in ipxe binaries. I’ve made a posting on their forums and hope to hear back soon.

    Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

    Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

    Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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    • S
      sudburr
      last edited by May 25, 2017, 5:47 PM

      Many thanks for the live help Tom!

      [ Standing in between extinction in the cold and explosive radiating growth ]

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      • S
        sudburr
        last edited by Jun 6, 2017, 3:25 PM

        Any love from the folks at ipxe.org yet?

        [ Standing in between extinction in the cold and explosive radiating growth ]

        T 1 Reply Last reply Jun 6, 2017, 3:54 PM Reply Quote 0
        • T
          Tom Elliott @sudburr
          last edited by Jun 6, 2017, 3:54 PM

          @sudburr Nope, but 1.4.2 should have the patched binaries anyway.

          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

          Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

          Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

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          • C
            carl2187
            last edited by Jun 23, 2017, 7:45 PM

            Based on the timeframe that this bug was submitted (may 2017) i’m guessing this is only a problem on Hyper-v builds 1703 (as available in, win 10 ent x64-1703, hyper-v server 2016-build 1703, win server 2016 w/ hyper-v build 1703). Most likely the issues are being caused by the ARP protocol problem found only in Gen 2 vms in the PXE stack of hyper-v build 1703. See this Microsoft forum post for more details on how ARP was broken in this build. Still no resolution to my knowledge, but this post is most likely what will drive the fix from M$'s perspective.

            https://social.technet.microsoft.com/Forums/en-US/436c67cb-1c7d-4c5f-8f62-3518a0cfaeb4/hyperv-build-1703-generation-2-pxe-has-faulty-arp-implementation?forum=winserverhyperv

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            • T
              Tom Elliott
              last edited by Jul 30, 2017, 11:29 PM

              iPXE Developers finally got to look and hopefully have fixed this.

              I’ve updated the ipxe binaries directly after pushing 1.5.0-RC-6. Both working and dev-branch have the updates though.

              Please re-test and let us know if things are “still” working or if it breaks anything again.

              Thank you.

              I have been keeping up to date, but leaving my “reversion” code that seemed to fix the problem for users so hyperv gen 2 could still work. Hopefully it now works using iPXE’s own native source code.

              See here:
              https://git.ipxe.org/ipxe.git/commit/936657832f2262ad04bdf16b9229ce0b1d1c174f

              Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

              Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

              Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

              1 Reply Last reply Reply Quote 1
              • S
                sudburr
                last edited by Aug 1, 2017, 6:04 PM

                Good to know. I won’t be able to test right away though. I’m busy doing summer stuff right now. I’ll get back to you as soon as possible.

                [ Standing in between extinction in the cold and explosive radiating growth ]

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