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    Kernel panic - not syncing: VFS

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    FOG Problems
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    • D
      Data31337
      last edited by

      I just updated it the svn last night, I will update the svn and FOG again today, if that doesn’t work I’ll check out the settings.

      1 Reply Last reply Reply Quote 0
      • D
        Data31337
        last edited by

        I think I forgot to add some details to the issue:
        SVN: Updated to 5585
        FOG: Revision 7881
        Machines to be imaged: Dell Optiplex 745; HP DC5750S Small Form Factor

        george1421G 1 Reply Last reply Reply Quote 0
        • george1421G
          george1421 Moderator @Data31337
          last edited by

          @Data31337 are you using dnsmasq in your environment?

          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!

          G 1 Reply Last reply Reply Quote 0
          • D
            Data31337
            last edited by

            No, not to my knowledge, just DHCP and DNS on a Win 2008 R2 machine.

            george1421G 1 Reply Last reply Reply Quote 0
            • george1421G
              george1421 Moderator @Data31337
              last edited by

              @Data31337 OK trying to draw a parallel with another thread with the same reported issue.

              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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              • D
                Data31337
                last edited by

                I’ve been following the other thread too, I noticed we are both trying to image the same style PC the Optiplex 745. One thing I noticed was that FOG is pushing out a 64 Bit version of BZImage & Init when I know the PC’s Ive been trying to image are 32 bit. I tried modifying the kernel’s in the configuration to push the 32 bit and I recieved a “Image not found” written over several different lines, I can get a exact error message if that would be more helpful.

                george1421G 1 Reply Last reply Reply Quote 0
                • george1421G
                  george1421 Moderator @Data31337
                  last edited by george1421

                  @Data31337 FOG should detect the arch and send out the right image x64 vs x86. But you may be on to something. Let me check to see if the 745s are x64 compatible. Fog should send out bzImage_32 for a 32 bit system and init_32.xz for 32 if something gets mixed up and the init doesn’t match the bzImage then this error will be thrown.

                  [edit] The 745 supports EMT64 not sure if that would cause any issues or not, still researching.

                  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 Sebastian Roth

                    @Data31337 Seems like the 745 some kind of 32bit/64bit system. I found a couple of posts on the internet which state that this machine is actually capable of running a 64 bit OS. As well the manual all CPUs have EM64T.

                    Looking forward to see if the error goes away if you force to boot with bzImage32/init_32.xz - maybe the 64 bit support is just fake…

                    [edit] Interestingly enough I just found a debian kernel package for those EM64T CPUs… Trying to find out what this is about. [/edit]

                    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 Moderator
                      last edited by

                      @Tom-Elliott Could you please build a kernel with CONFIG_MPSC enabled to see if this is helping here? I had no idea this did exist in the kernel.
                      As well I am wondering if we should add CONFIG_MK8 - although I am not sure if all those options would work in the same kernel binary. Haven’t tried it myself. Just doing some research on the web.

                      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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                      • D
                        Data31337
                        last edited by

                        No problem, I was following the other thread and noticed he got it working using the dnsmasq. Would this be something recommended to try out? As of right now its just a fully updated WebUI/svn/FOG and my experience with dnsmasq isn’t the greatest but I can learn.

                        1 Reply Last reply Reply Quote 0
                        • S
                          Sebastian Roth Moderator
                          last edited by

                          @Data31337 Please don’t go for dnsmasq. I’d even suggest the other guy to switch over to ISC-DHCP as dnsmasq still does not properly support UEFI or even BIOS/UEFI together.

                          I am almost absolutely sure that dnsmasq wouldn’t make it work for you! Please let us know which boot file you are using. undionly.kpxe?

                          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

                          D 1 Reply Last reply Reply Quote 0
                          • D
                            Data31337 @Sebastian Roth
                            last edited by Data31337

                            @Sebastian-Roth

                            Sorry if this is a dumb question but how can I find out? Is there a log file I can check to see which one is getting pushed out? Configuration wise, I haven’t changed anything.

                            [edit] I am able to get to the FOG Menu once again, where as last changes I was not able to, but when I select anything it displays the same Kernel panic - not syncing error, along with device descriptor read/64, error -71 [/edit]

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                            • S
                              Sebastian Roth Moderator
                              last edited by Sebastian Roth

                              @Data31337 Do you use FOG as DHCP server as well or do you have a different DHCP in your network? Maybe you have two DHCP servers which would explain why you sometimes get to the menu but sometimes not. Please run sudo grep filename /etc/dhcp/dhcpd.conf on the FOG server and post a picture here.

                              I am wondering about the device descriptor read/64, error -71… Can’t remember having seen this ever. Can you please post a picture of that as well?
                              [edit] A well, that seems to be an (unrelated) USB error… probably save to ignore if you don’t use USB NIC [/edit]

                              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

                              D 1 Reply Last reply Reply Quote 0
                              • D
                                Data31337 @Sebastian Roth
                                last edited by Data31337

                                @Sebastian-Roth

                                We have DHCP setup on a Server 2008 R2 VM along with ADDS if that helps. And then you were also correct with the USB Error, I had a USB Stick with the FOG client on it that was still plugged in. I think it was getting the error because it wasn’t recognizing it.

                                [edit] DHCP is pushing out the pxelinux.0 [/edit]

                                george1421G 1 Reply Last reply Reply Quote 0
                                • S
                                  Sebastian Roth Moderator
                                  last edited by

                                  @Data31337 said:

                                  DHCP is pushing out the pxelinux.0

                                  Well then, change it to undionly.kpxe and I am almost certainly sure that things will work then!

                                  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

                                  D 1 Reply Last reply Reply Quote 1
                                  • george1421G
                                    george1421 Moderator @Data31337
                                    last edited by george1421

                                    @Data31337 said in Kernel panic - not syncing: VFS:

                                    [edit] DHCP is pushing out the pxelinux.0 [/edit]

                                    Great find. It looks like legacy iPXE stuff [ edit legacy syslinux] bit us twice in a short period of time. Just so we know where, where did you get the instructions to use pxelinux.0 from in dhcp?

                                    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 2
                                    • D
                                      Data31337 @Sebastian Roth
                                      last edited by

                                      @Sebastian-Roth

                                      Haazah! You were correct. I reset the setting and it boots to registration and doesn’t get hung up!

                                      Again, I appreciate all your hard work in figuring this out and helping me out!

                                      george1421G 1 Reply Last reply Reply Quote 0
                                      • george1421G
                                        george1421 Moderator @Data31337
                                        last edited by

                                        @Data31337 Please identify where you found the guidance to use pxelinux.0?

                                        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!

                                        D 1 Reply Last reply Reply Quote 1
                                        • Tom ElliottT
                                          Tom Elliott
                                          last edited by

                                          And I was staring to get worried it was something in the code.

                                          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 2
                                          • D
                                            Data31337 @george1421
                                            last edited by

                                            @george1421

                                            It was in one of the old installer files, before I upgraded to trunk (Possibly in 1.2.0, or 0.32 which were the only 2 older generations I had installed along with older wiki page).

                                            Please everyone take my up-votes you guys have been amazing help while working through this!

                                            george1421G 1 Reply Last reply Reply Quote 1
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