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    RHEL Initramfs unpacking failed: & Kernel panic - not syncing:

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    • H
      hutch @Tom Elliott
      last edited by

      @Tom-Elliott Thanks for the quick response! Setting Host EFI Exit Type to EXIT leads to a different error in HyperV:
      Virtual machine Boot Summary

      1. Network Adapter (00155D0D3110)
        The operating system loaded.

      The screen just hangs there with no OS loaded.

      When trying to load a VM in Proxmox; EXIT produces a UEFI options screen, using ReFind produces the OP error.

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      • W
        WT_101 @Tom Elliott
        last edited by

        @Tom-Elliott From my end if i set to EXIT. It will return to BIOS instead of booting into the OS

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        • W
          WT_101 @hutch
          last edited by

          @hutch may i know which older versions of FOG you experience this issue? I experience it at 1.5.9

          H 1 Reply Last reply Reply Quote 0
          • H
            hutch @WT_101
            last edited by

            @WT_101 Tried going back to 1.5.7. Didn’t want to go back too far since we need newer drivers available.

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            • W
              WT_101 @Tom Elliott
              last edited by

              @Tom-Elliott
              Have new finding, I tested the snp.efi from Fogproject 1.5.7 & 1.5.8 there is no issue booting into RHEL while from 1.5.9 and 1.5.10 having the kernel panic issue

              george1421G 1 Reply Last reply Reply Quote 0
              • george1421G
                george1421 Moderator @WT_101
                last edited by

                @WT_101 said in RHEL Initramfs unpacking failed: & Kernel panic - not syncing::

                snp.efi from Fogproject 1.5.7 & 1.5.8

                Unless you are using SANBOOT or EXIT (exit) modes, snp.efi or iPXE for that matter is not responsible for booting a uefi computer. The responsibility for booting uefi computers is handed over to rEFInd. I might suspect that refind version changed between 1.5.8 and 1.5,10.

                So do you mean to say if you take snp.efi from fog 1.5.7 or .8 and copy it over to FOG 1.5.10 install you can boot rhel 9?

                If you were to recompile iPXE with the very latest code doe it boot rhel 9 correctly (assuming that iPXE is at fault here)?

                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!

                W 2 Replies Last reply Reply Quote 0
                • S
                  Sebastian Roth Moderator
                  last edited by

                  @WT_101 @hutch Looks like we have a very similar issue with Ubuntu 22.04 installs as well: https://forums.fogproject.org/topic/16850/problem-after-deployment-with-release-1-5-10

                  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 Sebastian Roth referenced this topic on
                  • W
                    WT_101 @george1421
                    last edited by

                    @george1421 im not using both SANBOOT or EXIT.

                    Im using REFIND_EFI and yes im just replacing the snp.efi in the tftp folder getting from 1.5.8 (success boot into Redhat i just try again few min ago) and 1.5.10 (failed with kernel panic)

                    EXIT i already tried. It wont boot into the OS. it will just exit into the BIOS screen

                    H 1 Reply Last reply Reply Quote 0
                    • H
                      hutch @WT_101
                      last edited by

                      @WT_101 Thanks! The old install didn’t seem to work, but I just grabbed the files directly out of the installation folder and it booted just fine.

                      C 1 Reply Last reply Reply Quote 0
                      • W
                        WT_101 @george1421
                        last edited by

                        @george1421 sorry there are some wrong info provided 1.5.9 is working as well due to some mistakes i made causing i providing wrong info.

                        New finding i found was 1.5.9 snp.efi came with ipxe 1.20.1 there is no issue on booting into the RHEL OS with REFIND_EFI
                        while 1.5.10 snp.efi that are using ipxe 1.21.1 having issue to boot into RHEL OS

                        As there are only 3 file being dl into the system
                        1 snp.efi
                        2. refind.conf
                        3. refind_x64.efi

                        i perform comparison between these 3 file 1.5.9 vs 1.5.10
                        484d5f83-8244-4eee-ac4b-947eb83bd3a2-image.png
                        Is it possible that iPXE 1.21.1 require a newer version of refind_x64.efi ? Could you guide me on how can i troubleshoot further?

                        Tom ElliottT 1 Reply Last reply Reply Quote 0
                        • Tom ElliottT
                          Tom Elliott @WT_101
                          last edited by

                          @WT_101 There were a lot of changes between v1.20.1 and v1.21.1 though we (FOG) don’t manage the repository of ipxe itself.

                          Here’s the code where I believe things might’ve broken the boot capabilities, but this is still just a best guess based on the changed code, not really an “assured” here’s what’s definitely broke.

                          A git bisect might be useful so we can see potentially where things are good -> bad and indicate to ipxe development so a more proper fix might be addressable.
                          https://github.com/ipxe/ipxe/compare/v1.20.1...v1.21.1#diff-9ec49bac9202333b51ea932869865503ace555e43797e9e26898e4a5b813944e

                          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
                          • C
                            CedricoR @hutch
                            last edited by

                            @hutch Hello, on my side, when i try tu use snp.efi from the 1.5.8 tarball, I have a permission issue on the boot.php file… But if i use original snp.efi i don’t have permission problem, but i get kernel panic message like with ipxe.efi. I try to troubleshoot this permission issue, but everything looks good, (chown -R fogproject:apache /var/www/html/fog/service/ipxe + chmod -R 775 /var/www/html/fog/service/ipxe)
                            Did i forget something ? Is there any other changes to make for it to work?

                            C 1 Reply Last reply Reply Quote 0
                            • C
                              CedricoR @CedricoR
                              last edited by

                              @CedricoR Hi everyone! I did not find a solution, I tried to change kernel side server and client, I also tried several versions of ipxe.efi and snp.efi (1.5.8, 1.5 .9 and 1.5.10), I increased the size KERNEL RAMDISK SIZE, same result, and I see nothing more when I launch a task in debug mode and when I launch the memtest I have the following message “could not boot, exec format error (https://ipxe…)”
                              I also launched wireshark, I share the .pcap with you, nothing abnormal except that I don’t see anything happening in http when it retrieves the refind.conf and refind_x64.
                              TEST2.pcap
                              Finally if I try a reinstallation with version 1.5.8, the network card is not recognized with default kernel.
                              So it’s either a kernel problem, or permission on boot.php or a hardware problem. I remain stuck, do you have any ideas where I could look to fix this problem?
                              What’s weird is that the grub launches correctly after refind is loaded. I can navigate in the menus, but as soon as I launch “ubuntu”, the kernel panic appears

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                              • T
                                thomGee
                                last edited by thomGee

                                Hi there,
                                this Problem allready existed in this forum and has been signed solved, as the threadstarter resigned and used the EXIT-way in Fog
                                (https://forums.fogproject.org/topic/16762/local-grub-booting-fails-from-fog-menu-pxe-uefi/7)

                                For me the problem persisted, as I need the features in refind for dualbooting the systems.

                                Meanwhile I tried some more scenarios.
                                My PC’s have 2 OS’s : Windows 10 and Ubuntu

                                With Ubuntu 20.04 everything was fine untill one Update (still have the Image) and all version from there on show the the Kernel panic.

                                I tried several configs in initramfs - different compressions, I thought it is a bug

                                I think I followed all descriptions from all experts in the net for this Error.

                                But the system (as you allready know) boots fine, when booted directly

                                So I start to ask myself - what is the difference?

                                refind and booting from the memory fog-pxe presents.

                                is it possible, the compression gots worse?
                                that for some reason the initramfs gots bigger
                                is there a way to reduce the initramfs filesize

                                It is a pitty ther is not enough logging

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                                • S Sebastian Roth referenced this topic on
                                • T
                                  tcthorne
                                  last edited by

                                  This post is deleted!
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