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HP DC7800 network boot

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FOG Problems
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  • M
    mclapper68
    last edited by Jan 30, 2019, 7:26 PM

    I am having troubling booting from Fog on my HP DC 7800. Yes they are old. But they were working on an older version on FOG 1.5.2 or ealier I am not sure. I am currently running 1.5.5. I read other posts about changing the kernel to 4.15.2 and adding the acpi=no in the kernel option. I have tried this and it says kernel is too old. When I try a newer kernel and the latest it says RCU grace-period kthred stack dump. Thank you.
    NewerKernel.jpg Kernel4152.jpg 4152noacpi.jpg

    B 1 Reply Last reply Mar 18, 2019, 11:16 AM Reply Quote 0
    • G
      george1421 Moderator
      last edited by Sebastian Roth Jan 30, 2019, 1:50 PM Jan 30, 2019, 7:47 PM

      The kernel panic sync issue is that the inits and the kernel do not match. You can’t move to a previous release kernel where the inits are expecting something newer.

      For your kernel parameter shouldn’t it be acpi=off no might be a synonym, but I think I would try it as off. https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt

      Its also strange that a newer kernel would do this. How many of these older systems do you have in your environment?

      @Developers is there a place to download the 1.5.2 inits? I only know how to download the current release.

      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!

      1 Reply Last reply Reply Quote 0
      • S
        Sebastian Roth Moderator
        last edited by Jan 30, 2019, 8:12 PM

        @george1421 said in HP DC7800 network boot:

        is there a place to download the 1.5.2 inits? I only know how to download the current release

        Yes -> https://fogproject.org/binaries1.5.2.zip -> extract and find the original inits and kernel binaries

        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

        G 1 Reply Last reply Jan 30, 2019, 8:21 PM Reply Quote 0
        • G
          george1421 Moderator @Sebastian Roth
          last edited by Jan 30, 2019, 8:21 PM

          @Sebastian-Roth said in HP DC7800 network boot:

          Yes -> https://fogproject.org/binaries1.5.2.zip ->

          This is why you are one of the FOG Project Digital GODS.

          @mclapper68 Depending on your deployment volume. You could download and extract the zip file. Save the init.xz as init152.xz and move it to /var/www/html/fog/service/ipxe on the fog server. Then finally update the init field for this host to init152.xz and for the kernel do the same, rename bzImage from the zip to bzImage152 and move to the same location then update the kernel field for this host to bzImage152. (sorry for the disjointed post I was thinking linearly here). That workaround will allow you to continue to use fog as it was deigned for the new kit, and still support his older stuff without fear of an update breaking your older systems.

          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!

          1 Reply Last reply Reply Quote 1
          • B
            browolf
            last edited by Mar 18, 2019, 11:12 AM

            This post is deleted!
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            • B
              browolf @mclapper68
              last edited by Mar 18, 2019, 11:16 AM

              @mclapper68

              Having this exact problem after having to rebuild our fog server from scratch. Have 100s of DC7800 and am having to resort to imaging them one at a time with clonezilla instead :’(

              Our original fog server which worked fine was corrupted by Vmware and I didn’t have a backup.

              G 1 Reply Last reply Mar 18, 2019, 2:37 PM Reply Quote 0
              • G
                george1421 Moderator @browolf
                last edited by Mar 18, 2019, 2:37 PM

                @browolf Are you running into the CPU stall issue too?

                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!

                1 Reply Last reply Reply Quote 0
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