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Best practice if a kernel will not boot a system?

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  • X
    x23piracy
    last edited by May 15, 2013, 4:28 PM

    Hi,

    i have problem with some machines that wont boot the latest kernel 3.8.8.
    What is best practice to figure out which older kernel may work? Trying?

    How can i quick register clients when have to choose one standard kernel
    that will not boot every system, afai know i just can set this or that kernel
    only when the clients are already in the inventory?

    Greetz X23

    ║▌║█║▌│║▌║▌█

    1 Reply Last reply Reply Quote 0
    • M
      Matt.Collins
      last edited by May 15, 2013, 5:14 PM

      There are multiple kernels available for download. I would suggest taking a look at the list of working devices ([url]http://www.fogproject.org/wiki/index.php/WorkingDevices[/url]) many of which have notes on the models of which kernels work. If they aren’t working and are not listed, you’ll have to do some testing. In my district when working with kernel testing, I was sure to rename the kernel to identify which model I was testing it on as bzImage is the standard name and will overwrite your existing kernel unless you specify otherwise.

      If I recall, you can manually add a host by MAC and also set the kernel and arguments from the host settings page.

      Hope this helps.

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      • X
        x23piracy
        last edited by May 15, 2013, 5:27 PM

        Hi,

        thank you for your answer.
        Means i can place many kernels in the kernel directory for example bzImage_3.8.8
        Do you refernce the full path to kernel or just the filename?

        The Systems not working are pretty new, my mind tells me that older kernels cannot
        give any success?

        Lets say i cannot get it to work with any available kernel i need to cook one myself as last straw?!
        I’ll try to post some screenhots (errors) of the non working systems.

        I know that KS are Kitchensink kernels but what are PS Kernels?

        Greetz X23

        ║▌║█║▌│║▌║▌█

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        • M
          Matt.Collins
          last edited by May 15, 2013, 5:34 PM

          You can have multiple kernels installed on your system, however you need to add the kernel location to the host. For example fog/kernel/kernel name would be what I would input under the host settings.

          If you don’t find a kernel that works with your machines, you’ll have to compile your own, which is out of my league. Perhaps someone with a bit more knowledge on building kernels can step in here.

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          • X
            x23piracy
            last edited by May 15, 2013, 5:37 PM

            Hi,

            thanks again… well i will figure that out and report back…
            Lets build a kernel K+E+R+N+E+L childsplay 😉 hehe [I]*joking[/I]

            Greetz X23

            ║▌║█║▌│║▌║▌█

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            • D
              Dustin
              last edited by May 15, 2013, 6:32 PM

              I’m at a loss because NONE of the Kernels will boot our new Lenovo E420 laptops. Still have MDT I can revert to for one offs but this will be difficult when having to do an entire lab.

              1 Reply Last reply Reply Quote 0
              • M
                madeyem
                last edited by May 16, 2013, 2:08 PM

                If no kernel works:

                • Take the HDD out of the machine, that can’t boot FOG
                • Put it in a machine, that can boot FOG
                • Assign the right image to that machine
                • Choose “Shutdown after task completion” in task configuration
                • Start task
                • After task is finished, put the HDD back in the original machine
                • Start the machine

                This is a workaround, if you have generalized images (Sysprep for Windows).

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                • D
                  Dustin
                  last edited by May 16, 2013, 2:36 PM

                  Good work around for our one offs! Thanks!
                  [quote=“madeyem, post: 12134, member: 797”]If no kernel works:

                  • Take the HDD out of the machine, that can’t boot FOG
                  • Put it in a machine, that can boot FOG
                  • Assign the right image to that machine
                  • Choose “Shutdown after task completion” in task configuration
                  • Start task
                  • After task is finished, put the HDD back in the original machine
                  • Start the machine

                  This is a workaround, if you have generalized images (Sysprep for Windows).[/quote]

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                  • X
                    x23piracy
                    last edited by May 16, 2013, 4:54 PM

                    Hi,

                    [quote=“madeyem, post: 12134, member: 797”]This is a workaround, if you have generalized images (Sysprep for Windows).[/quote]

                    but only in case of deploy, i mainly will use fog to backup, i cannot go to each not booting machine the backup manually.
                    Seems i really have to cook a kernel myself argh! 😄

                    Greetz X23

                    ║▌║█║▌│║▌║▌█

                    1 Reply Last reply Reply Quote 0
                    • X
                      x23piracy
                      last edited by May 16, 2013, 10:34 PM

                      Hi,

                      [quote=“Dustin, post: 12135, member: 3324”]Good work around for our one offs! Thanks![/quote]

                      have you ever tried a self made kernel? Iam actually testing with kernel sources of 2.6.39.4 and 3.9.2

                      Greetz X23

                      ║▌║█║▌│║▌║▌█

                      1 Reply Last reply Reply Quote 0
                      • C
                        chad-bisd Moderator
                        last edited by May 16, 2013, 10:53 PM

                        If you need help making a custom kernel, just keep up with what you’ve done, post your questions, and we’ll help as best we can. It appears daunting, but after you run through it a few times on a VM, it’s gets simple.


                        If you would like to make a donation to the Fog project, please do so [U][COLOR=#0000ff][URL='http://sourceforge.net/dona…

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                        • X
                          x23piracy
                          last edited by May 17, 2013, 12:49 AM

                          Hi,

                          [quote=“chad-bisd, post: 12149, member: 18”]If you need help making a custom kernel, just keep up with what you’ve done, post your questions, and we’ll help as best we can. It appears daunting, but after you run through it a few times on a VM, it’s gets simple.[/quote]

                          actually it’s doing fine i have succesfully compiled two kernels but i cannot test them at home, iam back at work next week on tuesday. [url]http://fogproject.org/wiki/index.php?title=Building_a_Custom_Kernel[/url]

                          Will the latest 3x kernel work with fog? is it true that the april kernel 3.8.8 is then a 3.8.8x kernel?

                          Greetz X23

                          ║▌║█║▌│║▌║▌█

                          1 Reply Last reply Reply Quote 0
                          • X
                            x23piracy
                            last edited by May 17, 2013, 1:41 PM

                            Hi,

                            @Dustin would you like to test a kernel i compiled with latest kernel sources 3.9.2?

                            Greetz X23

                            ║▌║█║▌│║▌║▌█

                            1 Reply Last reply Reply Quote 0
                            • X
                              x23piracy
                              last edited by May 21, 2013, 8:40 PM

                              Hi,

                              i compiled my own kernel 3.9.2-4 and two of the machines work now instead that one tells me now hdd not found instead of kernel panic but this is only one missing driver.

                              Greetz X23

                              ║▌║█║▌│║▌║▌█

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