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Imac 27" ipxe boot

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imac ipxe boot osx
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  • S
    Seb B @Tom Elliott
    last edited by Jan 11, 2017, 11:06 AM

    @Tom-Elliott Sure. Sorry I didn’t mention it from the beginning :
    Running Version 1.3.1-RC-5
    SVN Revision: 6052

    1 Reply Last reply Reply Quote 0
    • G
      george1421 Moderator
      last edited by Jan 11, 2017, 6:02 PM

      I find its suspicious that it says waiting for link-up on net1? What happened to net0?

      Since I am ignorant of this hardware are there two network adapters in this Mac? Did it pick the wrong one to init?

      My intuition is telling me this could be a spanning tree issue too or the iPXE kernel doesn’t have the driver for this nic interface.

      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!

      T S 2 Replies Last reply Jan 11, 2017, 6:04 PM Reply Quote 0
      • T
        Tom Elliott @george1421
        last edited by Jan 11, 2017, 6:04 PM

        @george1421 If I remember correctly, is it quite possible to simply use the ipxe7156.efi file? I don’t know what nic’s will or won’t require that particular bootfile but I think this might be the best place to start.

        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

        G S 3 Replies Last reply Jan 11, 2017, 6:06 PM Reply Quote 2
        • G
          george1421 Moderator @Tom Elliott
          last edited by Jan 11, 2017, 6:06 PM

          @Tom-Elliott I agree that iPXE kernel seems to work well with some of this misbehaving hardware (i.e. surface pros for one)

          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!

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          • S
            Seb B @george1421
            last edited by Jan 12, 2017, 6:57 AM

            @george1421

            Hi! Net0 is the wireless interface.
            It does try to connect net0 but won’t get any further than that which is totally normal.

            1 Reply Last reply Reply Quote 0
            • S
              Seb B @Tom Elliott
              last edited by Jan 12, 2017, 6:59 AM

              @Tom-Elliott
              Thanks, I’ll try and give it a try today (it’s morning here).
              I’ll keep you informed with the results.

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              • S
                Seb B @Tom Elliott
                last edited by Jan 12, 2017, 1:02 PM

                @Tom-Elliott @george1421
                we tried to use ipxe7156.efi, it did load but the error is still here.

                the only difference is the response for the other interface which is now

                Could not open net0 Input/Output error (http://ipxe.org/1d6a4698)
                

                But the error on the ethernet interface is the same.

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                • S
                  Sebastian Roth Moderator
                  last edited by Jan 12, 2017, 3:45 PM

                  @Seb-B Please check the LEDs on your switch while this is happening. Are those really ON (link up) all the time? Maybe this is some kind of Spanning Tree issue…

                  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 12, 2017, 3:49 PM Reply Quote 0
                  • G
                    george1421 Moderator @Sebastian Roth
                    last edited by Jan 12, 2017, 3:49 PM

                    @Sebastian-Roth said in Imac 27" ipxe boot:

                    @Seb-B Please check the LEDs on your switch while this is happening. Are those really ON (link up) all the time? Maybe this is some kind of Spanning Tree issue…

                    I thought it might be a spanning tree issue too, but the error is the link is down (assuming the link light is off) and not the link is up but can’t pickup an IP address. Unless those Macs do things funny. But checking the link light is a great idea and not assume that its working.

                    The link light will wink as the iPXE kernel starts, but should not go out and stay out.

                    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!

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                    • T
                      Tom Elliott
                      last edited by Jan 12, 2017, 5:02 PM

                      You might be running into what another person informed me of (which prompted my creating a 10sec delay ipxe file).

                      So the initial IP comes up from PXE, then hands off to iPXE which has to drop the link and re-open for it to get a dhcp (initial pxe I think is bootp?) that can use different protocols. In some cases the down/up is too fast, and the motherboard essentially hasn’t had time for the device to go down before the system is requesting the new dhcp request. (Leaving the device seeming to be marked in down).

                      Please try the ipxe.pxe file from the /tftpboot/10secdelay/ folder and see if it at least helps?

                      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
                        Seb B
                        last edited by Jan 13, 2017, 9:37 AM

                        Hi!

                        We’ve tried using the ipxe.pxe file from /tftpboot/10secdelay/ folder and this error :

                        Could not open net1: Input/Output error (http://ipxe/org/1d6a4698)
                        

                        It then restarts the device initialisation and tres net 0 which appears down.

                        Could it be that the driver for the card is missing from the pxe file?

                        Q 1 Reply Last reply Jan 13, 2017, 10:17 AM Reply Quote 0
                        • Q
                          Quazz Moderator @Seb B
                          last edited by Jan 13, 2017, 10:17 AM

                          @Seb-B Can you try using the snponly.efi files? Try all versions (delay, 7156, regular)

                          S 1 Reply Last reply Jan 13, 2017, 11:03 AM Reply Quote 0
                          • S
                            Seb B @Quazz
                            last edited by Jan 13, 2017, 11:03 AM

                            @Quazz
                            Hi, we just tried with all snponly files and each time got

                            Configuring (net0 38:c9:86:12:xx:xx)..............No configuration method succeeded (http://ipxe.org/040ee186)
                            

                            as a response.

                            G 1 Reply Last reply Jan 13, 2017, 11:25 AM Reply Quote 0
                            • G
                              george1421 Moderator @Seb B
                              last edited by george1421 Jan 13, 2017, 5:26 AM Jan 13, 2017, 11:25 AM

                              @Seb-B said in Imac 27" ipxe boot:

                              Well this is a different/interesting error.

                              This is saying that it can’t get a dhcp address on interface net0. But what is interesting is that it now picks up the mac address of the nic. This tells me that the nic is initializing (!!). Can you confirm what device is 38:c9:86:12:xx:xx

                              If this was a Dell box, at this point I would say your issue could be related to spanning tree, where the building switch is not using one of the fast spanning tree protocols like RSTP, fast stp, etc.

                              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!

                              S 1 Reply Last reply Jan 16, 2017, 2:12 PM Reply Quote 0
                              • T
                                Tom Elliott
                                last edited by Jan 13, 2017, 11:25 AM

                                If my memory is serving me correctly, there was a similar thread about this in the past, I’ll see if I can dig it up from the abyss. If I am remembering correctly they other person got it working.

                                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
                                  Seb B @george1421
                                  last edited by Jan 16, 2017, 2:12 PM

                                  @george1421

                                  Hi,
                                  Yes the mac address of the device is correct.
                                  I don’t think it could be a spanning tree since
                                  a - I a m plugged on a switch port with no spanning tree
                                  b - other iMacs(21.5") on the same port have no problem getting through this step
                                  c - I think using the efi file with the 10sec delay would have worked if this was the case (not sure though)

                                  Once again, I could be wrong but spanning tree issues don’t seem logical to me in this case.

                                  Thanks anyhow.

                                  G 1 Reply Last reply Jan 16, 2017, 2:17 PM Reply Quote 0
                                  • G
                                    george1421 Moderator @Seb B
                                    last edited by george1421 Jan 16, 2017, 8:18 AM Jan 16, 2017, 2:17 PM

                                    @Seb-B is the 21.5" iMac an older generation than the 27" iMac?

                                    With the efi kernel that shows the mac address, please install an unmanaged switch between the building switch and the target computer. This is a quick test to see if its a spanning tree/green ethernet issue.

                                    Understand we are now to the point if guessing a bit, since this is not a FOG issue but an iPXE booting issue.

                                    As long as we are guessing, is the firmware up to date on this target computer?

                                    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!

                                    S 1 Reply Last reply Jan 16, 2017, 2:23 PM Reply Quote 0
                                    • S
                                      Seb B @george1421
                                      last edited by Jan 16, 2017, 2:23 PM

                                      @george1421

                                      The “working” Imacs are from late 2014 while the “not working” ones are from late 2015.

                                      I’m already plugged on a non manageable switch, that’s what I was trying to tell you in my last reply.
                                      Yes I checked the firmware for the IMac and it is up to date.

                                      As for the guessing, I checked this post and checked the cable integrity just in case but to no avail so far…

                                      G 1 Reply Last reply Jan 16, 2017, 2:43 PM Reply Quote 0
                                      • G
                                        george1421 Moderator @Seb B
                                        last edited by Jan 16, 2017, 2:43 PM

                                        @Seb-B On the windows side, we’ve seen newer nic adapters support some more advanced functions (like green ethernet 802.3az) that seems to be causing issues with pxe booting. The unmanaged switch also blocks this type if pre-link protocols (which is good for us).

                                        When you get the error pxe booting does it give you an option to press ‘s’ to get to an ipxe command prompt?

                                        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!

                                        S 1 Reply Last reply Jan 16, 2017, 2:45 PM Reply Quote 0
                                        • S
                                          Seb B @george1421
                                          last edited by Jan 16, 2017, 2:45 PM

                                          @george1421

                                          Yes it does, I tried some commands but I’m not really familiar withe the ipxe environment.

                                          G 1 Reply Last reply Jan 16, 2017, 2:50 PM Reply Quote 0
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