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[SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorkstation
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  1. #1
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    Thumbs up [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorkstation

    Hello Community,

    I promised few days ago that I will open the new thread, since I am leaving the original thread to X11 clients/Xserver problems: (putty:<PID>): Gtk-WARNING **: cannot open display: :0
    http://www.forums.fedoraforum.org/sh...d.php?t=311692

    I finally (after 5 days working on it, every day about 2 to 4 hours) was able successfully to create VM machine inside VM machine: nested VM machines!

    This is what is my setup:
    It might sound enough crazy (and it is), I was able to boot Fedora-Workstation-Live-i386-25_Beta-1.1.iso - 1.42GB (Fedora 25 32bit Beta .iso image) downloaded from: https://getfedora.org/en/workstation/prerelease/), and the structure I am all running it is the following:

    [1] I run on bare HP EliteBook 840 G1 notebook (Dual CORE i5-4300U (HSW mobile sku)) WIN10 64 PRO;
    [2] On the top of it I run VMWorkstation 12.5 64bit VMWare VMM/HYP Type 2;
    [3] On the top of it I run Fedora 25 Beta x86_64 VM, where I installed virtualbox from ORACLE;
    [4] On the top of Fedora 25 Beta x86_64 VM I run virtualbox, VMM/Hyp Type 2;
    [5] On the top of virtualbox I successfully booted Fedora-Workstation-Live-i386-25_Beta-1.1.iso), which went to the $ prompt!

    Here is the screenshot from this nested creation!



    I practically had to discover and fix two setup problems, which prevented me to go from this stage: http://www.forums.fedoraforum.org/sh...5&postcount=12 to this final stage.

    I am dancing indian rain dance as I write these lines... I did it!

    Next challenge: to bring WIN10 Pro 32 to the final stage!

    Thank you,
    _nobody_
    Attached Images Attached Images

  2. #2
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    Question Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    As per agreement, I moved this reply to the new thread, which truly belongs to this heading (let me take one step at the time: first on virt-manager/libvirt).

    Quote Originally Posted by vinbob
    virt-manager is a graphical tool for managing virtual guests on Linux via the libvirt API. That means that any guest whether running on local or remote QEmu/KVM or Xen hypervisors are manageable in the same GUI, virt-manager is simply a front end.
    Hello Bob,

    Thank you for the answers. They widely opened my eyes, since I was not aware/I had no idea about all of this... But if you allow me, I did some research on this, and the following came out of my kitchen. As I understood (initially) what you wrote to me, the following would be the architecture of this system:

    ************************************************** *******
    [TOP of the stack] Some skin SW (virt-manager, as from end SW)
    __________________________________________________ _______
    libvirt packages/SW (common for all)
    __________________________________________________ _______
    Generally XEN, VirtualBox, some other HYP type 2
    (but I have no idea what HYPervisor resides here for F25)
    __________________________________________________ _______
    [BOTTOM of the stack] Fedora, Ubuntu, CentOs, openSUSE... kernels
    ************************************************** *******

    Said that, I started searching, and found the following: http://libvirt.org/



    Also, to be able to experiment in this direction, I did the following (installed libvirt):

    Code:
    [intel@localhost ~]$ dnf whatprovides libvirt
    Last metadata expiration check: 4 days, 14:34:03 ago on Sat Oct  8 20:27:50 2016.
    libvirt-2.2.0-1.fc25.x86_64 : Library providing a simple virtualization API
    Repo        : fedora
    
    [intel@localhost ~]$ su -m
    Password: 
    [root@localhost ~]# dnf install libvirt-2.2.0-1.fc25.x86_64
    Last metadata expiration check: 0:50:32 ago on Thu Oct 13 10:11:46 2016.
    Dependencies resolved.
    ================================================================================
     Package                           Arch      Version            Repository
                                                                               Size
    ================================================================================
    Installing:
     libvirt                           x86_64    2.2.0-1.fc25       fedora     47 k
     libvirt-daemon-config-nwfilter    x86_64    2.2.0-1.fc25       fedora     50 k
     libvirt-daemon-driver-libxl       x86_64    2.2.0-1.fc25       fedora    178 k
     libvirt-daemon-driver-lxc         x86_64    2.2.0-1.fc25       fedora    754 k
     libvirt-daemon-driver-uml         x86_64    2.2.0-1.fc25       fedora    101 k
     libvirt-daemon-driver-vbox        x86_64    2.2.0-1.fc25       fedora    204 k
     libvirt-daemon-driver-xen         x86_64    2.2.0-1.fc25       fedora    166 k
    
    Transaction Summary
    ================================================================================
    Install  7 Packages
    
    Total download size: 1.5 M
    Installed size: 3.3 M
    Is this ok [y/N]: y
    Downloading Packages:
    (1/7): libvirt-2.2.0-1.fc25.x86_64.rpm          112 kB/s |  47 kB     00:00    
    (2/7): libvirt-daemon-config-nwfilter-2.2.0-1.f 111 kB/s |  50 kB     00:00    
    (3/7): libvirt-daemon-driver-libxl-2.2.0-1.fc25 300 kB/s | 178 kB     00:00    
    (4/7): libvirt-daemon-driver-uml-2.2.0-1.fc25.x 437 kB/s | 101 kB     00:00    
    (5/7): libvirt-daemon-driver-xen-2.2.0-1.fc25.x 689 kB/s | 166 kB     00:00    
    (6/7): libvirt-daemon-driver-vbox-2.2.0-1.fc25. 445 kB/s | 204 kB     00:00    
    (7/7): libvirt-daemon-driver-lxc-2.2.0-1.fc25.x 710 kB/s | 754 kB     00:01    
    --------------------------------------------------------------------------------
    Total                                           503 kB/s | 1.5 MB     00:02     
    Running transaction check
    Transaction check succeeded.
    Running transaction test
    Transaction test succeeded.
    Running transaction
      Installing  : libvirt-daemon-driver-xen-2.2.0-1.fc25.x86_64               1/7 
      Installing  : libvirt-daemon-driver-vbox-2.2.0-1.fc25.x86_64              2/7 
      Installing  : libvirt-daemon-driver-uml-2.2.0-1.fc25.x86_64               3/7 
      Installing  : libvirt-daemon-driver-lxc-2.2.0-1.fc25.x86_64               4/7 
      Installing  : libvirt-daemon-driver-libxl-2.2.0-1.fc25.x86_64             5/7 
      Installing  : libvirt-daemon-config-nwfilter-2.2.0-1.fc25.x86_64          6/7 
      Installing  : libvirt-2.2.0-1.fc25.x86_64                                 7/7 
    
    Installed:
      libvirt.x86_64 2.2.0-1.fc25                                                   
      libvirt-daemon-config-nwfilter.x86_64 2.2.0-1.fc25                            
      libvirt-daemon-driver-libxl.x86_64 2.2.0-1.fc25                               
      libvirt-daemon-driver-lxc.x86_64 2.2.0-1.fc25                                 
      libvirt-daemon-driver-uml.x86_64 2.2.0-1.fc25                                 
      libvirt-daemon-driver-vbox.x86_64 2.2.0-1.fc25                                
      libvirt-daemon-driver-xen.x86_64 2.2.0-1.fc25                                 
    
    Complete!
    [root@localhost ~]#
    Then, I installed virt-manager:

    Code:
    [intel@localhost ~]$ dnf whatprovides virt-manager
    Last metadata expiration check: 4 days, 14:37:01 ago on Sat Oct  8 20:27:50 2016.
    virt-manager-1.4.0-3.fc25.noarch : Desktop tool for managing virtual machines
                                     : via libvirt
    Repo        : fedora
    
    [intel@localhost ~]$ su -m
    Password: 
    [root@localhost ~]# dnf install virt-manager-1.4.0-3.fc25.noarch
    Last metadata expiration check: 0:53:28 ago on Thu Oct 13 10:11:46 2016.
    Dependencies resolved.
    ================================================================================
     Package                 Arch       Version           Repository           Size
    ================================================================================
    Installing:
     libvirt-python          x86_64     2.2.0-1.fc25      updates-testing     260 k
     python-ipaddr           noarch     2.1.10-5.fc25     fedora               41 k
     python-libxml2          x86_64     2.9.3-4.fc25      fedora              226 k
     python2-pysocks         noarch     1.5.6-5.fc25      fedora               25 k
     python2-requests        noarch     2.10.0-4.fc25     fedora              107 k
     python2-urllib3         noarch     1.15.1-3.fc25     fedora              128 k
     virt-manager            noarch     1.4.0-3.fc25      fedora              625 k
     virt-manager-common     noarch     1.4.0-3.fc25      fedora              1.1 M
    
    Transaction Summary
    ================================================================================
    Install  8 Packages
    
    Total download size: 2.5 M
    Installed size: 13 M
    Is this ok [y/N]: y
    Downloading Packages:
    (1/8): python-libxml2-2.9.3-4.fc25.x86_64.rpm   390 kB/s | 226 kB     00:00    
    (2/8): python-ipaddr-2.1.10-5.fc25.noarch.rpm   410 kB/s |  41 kB     00:00    
    (3/8): python2-requests-2.10.0-4.fc25.noarch.rp 454 kB/s | 107 kB     00:00    
    (4/8): python2-urllib3-1.15.1-3.fc25.noarch.rpm 471 kB/s | 128 kB     00:00    
    (5/8): python2-pysocks-1.5.6-5.fc25.noarch.rpm  326 kB/s |  25 kB     00:00    
    (6/8): virt-manager-1.4.0-3.fc25.noarch.rpm     431 kB/s | 625 kB     00:01    
    (7/8): virt-manager-common-1.4.0-3.fc25.noarch. 596 kB/s | 1.1 MB     00:01    
    (8/8): libvirt-python-2.2.0-1.fc25.x86_64.rpm   297 kB/s | 260 kB     00:00    
    --------------------------------------------------------------------------------
    Total                                           463 kB/s | 2.5 MB     00:05     
    Running transaction check
    Transaction check succeeded.
    Running transaction test
    Transaction test succeeded.
    Running transaction
      Installing  : python-libxml2-2.9.3-4.fc25.x86_64                          1/8 
      Installing  : libvirt-python-2.2.0-1.fc25.x86_64                          2/8 
      Installing  : python2-pysocks-1.5.6-5.fc25.noarch                         3/8 
      Installing  : python2-urllib3-1.15.1-3.fc25.noarch                        4/8 
      Installing  : python2-requests-2.10.0-4.fc25.noarch                       5/8 
      Installing  : python-ipaddr-2.1.10-5.fc25.noarch                          6/8 
      Installing  : virt-manager-common-1.4.0-3.fc25.noarch                     7/8 
      Installing  : virt-manager-1.4.0-3.fc25.noarch                            8/8 
    
    Installed:
      libvirt-python.x86_64 2.2.0-1.fc25    python-ipaddr.noarch 2.1.10-5.fc25     
      python-libxml2.x86_64 2.9.3-4.fc25    python2-pysocks.noarch 1.5.6-5.fc25    
      python2-requests.noarch 2.10.0-4.fc25 python2-urllib3.noarch 1.15.1-3.fc25   
      virt-manager.noarch 1.4.0-3.fc25      virt-manager-common.noarch 1.4.0-3.fc25
    
    Complete!
    [root@localhost ~]#
    I did not have any of these packages there, never had, never paid attention.

    Here are some questions:

    [1] Which Hypervisor F24/F25 uses beneath libvirt layer?
    [2] This hyp must be a package (which one)?
    [3] Does what I am writing here make any/some sense?

    Thank you,
    _nobody_

  3. #3
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    Wink Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    "To whom it may concern"

    I continue this (should say INSANE) investigation. I expect lot of things here to show in different light, so it will help me some things to understand better... To get from completely different view/angle the whole context, as nobody and _nobody_ had seen before!

    I have installed F25 32 bit on the Virtual HDD (I dedicated via virtual box setup only 8GB to this Virtual HDD, declaring it to be SSD). So, it did it seamlessly, as I pretended to install F25 i686 on normal bare INTEL platform. There is one very big difference: real installation on bare metal takes approximately 20-30 minutes, here it took 6+ hours. YES, I do understand this...

    GRUB bootloader and HDD MBR simulation work perfectly: it showed me while rebooting three different kernels: normal (4.8.0-0.rc7.git0.1.fc25.i686), PAE (4.8.0-0.rc7.git0.1.fc25.i686+PAE) and safe mode. PAE does not work, and, after some short thinking, I've got it, or I think I've got it: PAE is for 32bit mode i686 - 36 bit address extention, and this setup limits it, not allowing this HW feature/extension to be active on VMs (my best guess).

    What I am trying now is: # dnf upgrade!

    And YES, it works perfectly (proving that net connectivity via nested VMM/VM/VMM/VM works perfectly).

    Code:
    [user@localhost ~]$ su -m
    Password: 
    [root@localhost ~]# uname -a
    Linux localhost.localdomain 4.8.0-0.rc7.git0.1.fc25.i686 #1 SMP Mon Sep 19 16:06:51 UTC 2016 i686 i686 i386 GNU/Linux
    [root@localhost ~]# dnf upgrade
    Fedora 25 - i386                                699 kB/s |  46 MB     01:07    
    Fedora 25 - i386 - Test Updates                 539 kB/s |  12 MB     00:22    
    Fedora 25 - i386 - Updates                      1.6 kB/s | 257  B     00:00    
    Last metadata expiration check: 0:00:01 ago on Thu Oct 13 20:03:16 2016.
    Dependencies resolved.
    
     Package                      Arch   Version              Repository       Size
    ================================================================================
    Installing:
     kernel                       i686   4.8.1-1.fc25         fedora           88 k
     kernel-PAE                   i686   4.8.1-1.fc25         fedora           89 k
     kernel-PAE-core              i686   4.8.1-1.fc25         fedora           19 M
     kernel-PAE-modules           i686   4.8.1-1.fc25         fedora           21 M
     kernel-core                  i686   4.8.1-1.fc25         fedora           18 M
     kernel-modules               i686   4.8.1-1.fc25         fedora           21 M
     kernel-modules-extra         i686   4.8.1-1.fc25         fedora          2.1 M
     libXfont2                    i686   2.0.1-2.fc25         updates-testing 144 k
     osinfo-db                    i686   20160728-1.fc25      fedora          119 k
     osinfo-db-tools              i686   1.0.0-1.fc25         fedora           82 k
     systemd-bootchart            i686   231-2.fc25           fedora           70 k
    Upgrading:
    
    [snap]
                                                          fedora           32 k
     dbus                         i686   1:1.11.6-1.fc25      updates-testing 248 k
     dbus-libs                    i686   1:1.11.6-1.fc25      updates-testing 176 k
     dbus-x11                     i686   1:1.11.6-1.fc25      updates-testing  52 k
     dhcp-client                  i686   12:4.3.5-1.fc25      fedora          309 k
     dhcp-common                  noarch 12:4.3.5-1.fc25      fedora          198 k
     dhcp-libs                    i686   12:4.3.5-1.fc25      fedora          139 k
     efibootmgr                   i686   14-3.fc25            fedora           43 k
     efivar-libs                  i686   30-3.fc25            fedora           69 k
     elfutils                     i686   0.167-2.fc25         updates-testing 309 k
     elfutils-default-yama-scope  noarch 0.167-2.fc25         updates-testing  37 k
     elfutils-libelf              i686   0.167-2.fc25         updates-testing 203 k
     elfutils-libs                i686   0.167-2.fc25         updates-testing 302 k
     f25-backgrounds-base         noarch 25.0.0-2.fc25        fedora           12 M
     f25-backgrounds-gnome        noarch 25.0.0-2.fc25        fedora          6.8 k
     flatpak                      i686   0.6.12-1.fc25        fedora          575 k
     flatpak-libs                 i686   0.6.12-1.fc25        fedora          178 k
     fwupdate-efi                 i686   8-2.fc25             fedora           32 k
     fwupdate-libs                i686   8-2.fc25             fedora           27 k
     gdb                          i686   7.12-24.fc25         updates-testing 172 k
     gdb-headless                 i686   7.12-24.fc25         updates-testing 3.5 M
     ghostscript                  i686   9.20-2.fc25          updates-testing  45 k
     ghostscript-core             i686   9.20-2.fc25          updates-testing 4.5 M
     ghostscript-x11              i686   9.20-2.fc25          updates-testing  73 k
     gnome-calendar               i686   3.22.1-1.fc25        fedora          538 k
     gnutls                       i686   3.5.5-2.fc25         updates-testing 700 k
     grep                         i686   2.26-2.fc25          fedora          288 k
     gssproxy                     i686   0.5.1-3.fc25         fedora           99 k
     gtk-update-icon-cache        i686   3.22.1-1.fc25        fedora           32 k
     gtk-vnc2                     i686   0.6.0-1.fc25         fedora           43 k
     gtk3                         i686   3.22.1-1.fc25        fedora          4.3 M
     gvnc                         i686   0.6.0-1.fc25         fedora           98 k
     harfbuzz                     i686   1.3.2-1.fc25         fedora          191 k
     harfbuzz-icu                 i686   1.3.2-1.fc25         fedora           19 k
     hwdata                       noarch 0.293-1.fc25         fedora          1.4 M
     ibus                         i686   1.5.14-3.fc25        fedora          413 k
     ibus-gtk2                    i686   1.5.14-3.fc25        fedora           51 k
     ibus-gtk3                    i686   1.5.14-3.fc25        fedora           51 k
     ibus-libs                    i686   1.5.14-3.fc25        fedora          227 k
     ibus-libzhuyin               i686   1.7.9-1.fc25         fedora          109 k
     ibus-setup                   noarch 1.5.14-3.fc25        fedora           81 k
     ibus-typing-booster          noarch 1.5.8-1.fc25         updates-testing 3.6 M
     ibus-wayland                 i686   1.5.14-3.fc25        fedora           47 k
     iwl100-firmware              noarch 39.31.5.1-68.fc25    fedora          155 k
     iwl1000-firmware             noarch 1:39.31.5.1-68.fc25  fedora          218 k
     iwl105-firmware              noarch 18.168.6.1-68.fc25   fedora          239 k
     iwl135-firmware              noarch 18.168.6.1-68.fc25   fedora          248 k
     iwl2000-firmware             noarch 18.168.6.1-68.fc25   fedora          242 k
    
    [snap]
    
     iwl6050-firmware             noarch 41.28.5.1-68.fc25    fedora          248 k
     iwl7260-firmware             noarch 1:25.30.13.0-68.fc25 fedora          3.9 M
     jasper-libs                  i686   1.900.2-2.fc25       updates-testing 148 k
     kernel-headers               i686   4.8.1-1.fc25         fedora          1.1 M
    
    [snap]
    
     xen-libs                     i686   4.7.0-6.fc25         fedora          649 k
     xen-licenses                 i686   4.7.0-6.fc25         fedora          104 k
     xorg-x11-drv-ati             i686   7.7.1-1.20160928git3fc839ff.fc25
                                                              updates-testing 156 k
     xorg-x11-drv-evdev           i686   2.10.4-1.fc25        updates-testing  53 k
     xorg-x11-drv-fbdev           i686   0.4.3-25.fc25        updates-testing  23 k
     xorg-x11-drv-intel           i686   2.99.917-26.20160929.fc25
                                                              updates-testing 713 k
     xorg-x11-drv-libinput        i686   0.19.1-3.20160929.fc25
                                                              updates-testing  39 k
     xorg-x11-drv-nouveau         i686   1:1.0.13-1.fc25      updates-testing  98 k
     xorg-x11-drv-openchrome      i686   0.5.0-2.fc25         updates-testing 175 k
     xorg-x11-drv-qxl             i686   0.1.4-10.20160929gite13d28ee.fc25
                                                              updates-testing  97 k
     xorg-x11-drv-vesa            i686   2.3.2-25.fc25        updates-testing  28 k
     xorg-x11-drv-vmware          i686   13.0.2-12.20150211git8f0cf7c.fc25
                                                              updates-testing  85 k
     xorg-x11-drv-wacom           i686   0.33.0-2.20160929gitb61d1711.fc25
                                                              updates-testing 111 k
     xorg-x11-font-utils          i686   1:7.5-32.fc25        updates-testing  81 k
     xorg-x11-server-Xorg         i686   1.19.0-0.2.20160929.fc25
                                                              updates-testing 1.5 M
         replacing  xorg-x11-drv-vmmouse.i686 13.1.0-3.fc24
     xorg-x11-server-Xwayland     i686   1.19.0-0.2.20160929.fc25
                                                              updates-testing 958 k
     xorg-x11-server-common       i686   1.19.0-0.2.20160929.fc25
                                                              updates-testing  46 k
    
    Transaction Summary
    ==============
    Install   11 Packages
    Upgrade  221 Packages
    
    Total download size: 364 M
    Is this ok [y/N]:
    I am now upgrading it... I need to think about all of this much more! Especially to set a list of several use cases/tests I should perform on the top OS (F25 i686).

    Insanity... Insanity it is!

    _nobody_

  4. #4
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    Question Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    As promised, I continue to investigate unusual findings in this peculiar protocol stack. I have one more finding, which might be very interesting:

    In F25 i686 VM I noticed kernel Oops, which does not prevent it to boot sucessfully:

    [ 7.405938] RPC: Registered named UNIX socket transport module.
    [ 7.405940] RPC: Registered udp transport module.
    [ 7.405940] RPC: Registered tcp transport module.
    [ 7.405940] RPC: Registered tcp NFSv4.1 backchannel transport module.
    [ 7.566661] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
    [ 7.677517] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
    [ 7.677582] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:00/input/input6
    [ 7.821181] piix4_smbus 0000:00:07.0: SMBus Host Controller at 0x4100, revision 0
    [ 8.196363] BUG: unable to handle kernel paging request at f7e63b61
    [ 8.199796] IP: [<f7f2b793>] rapl_cpu_online+0x53/0x5c [intel_rapl_perf]
    [ 8.202373] *pde = 3343b067 *pte = de99a161
    [ 8.206025] Oops: 0003 [#1] SMP
    [ 8.207376] Modules linked in: intel_rapl_perf(+) snd_pcm snd_timer joydev snd parport_pc i2c_piix4 soundcore parport video nfsd auth_rpcgss nfs_acl lockd grace sunrpc crc32c_intel e1000 serio_raw fjes
    [ 8.229950] CPU: 0 PID: 12 Comm: cpuhp/0 Not tainted 4.8.1-1.fc25.i686 #1
    [ 8.231745] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
    [ 8.233779] task: f35291c0 task.stack: f3532000
    [ 8.235278] EIP: 0060:[<f7f2b793>] EFLAGS: 00010246 CPU: 0
    [ 8.237270] EIP is at rapl_cpu_online+0x53/0x5c [intel_rapl_perf]
    [ 8.238944] EAX: 00000001 EBX: 00000000 ECX: 00000020 EDX: 00000001
    [ 8.240675] ESI: f7e63b59 EDI: f7f2b740 EBP: f3533f10 ESP: f3533f08
    [ 8.243043] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
    [ 8.245106] CR0: 80050033 CR2: f7e63b61 CR3: 3671b000 CR4: 000406d0
    [ 8.247278] Stack:
    [ 8.248729] f73d9de0 00000000 f3533f3c c685c075 00000000 00533f84 f73d9de0 f73e2f80
    [ 8.257549] 0000004d 00000000 f73d9de0 00000000 c71f9240 f3533f50 c685c39e f3533f50
    [ 8.267235] f35291c0 f3402460 f3533f68 c687af5b 00000000 f34a4280 f3402460 c687ae60
    [ 8.279425] Call Trace:
    [ 8.282967] [<c685c075>] cpuhp_invoke_callback+0x35/0xf0
    [ 8.288683] [<c685c39e>] cpuhp_thread_fun+0x3e/0x110
    [ 8.293010] [<c687af5b>] smpboot_thread_fn+0xfb/0x150
    [ 8.297081] [<c687ae60>] ? sort_range+0x30/0x30
    [ 8.301544] [<c6877b56>] kthread+0xa6/0xc0
    [ 8.306163] [<c6f1db22>] ret_from_kernel_thread+0xe/0x24
    [ 8.313671] [<c6877ab0>] ? kthread_worker_fn+0x140/0x140
    [ 8.317853] Code: 94 00 00 00 b8 08 70 36 c7 8b 0c 10 ba 8c d5 f2 f7 b8 ff ff ff ff e8 bd c6 c1 ce 3b 05 14 33 2a c7 7c 0b 3e 0f ab 1d 8c d5 f2 f7 <89> 5e 08 5b 31 c0 5e 5d c3 55 89 e5 53 3e 8d 74 26 00 31 db a1
    [ 8.392156] EIP: [<f7f2b793>] rapl_cpu_online+0x53/0x5c [intel_rapl_perf] SS:ESP 0068:f3533f08
    [ 8.400857] CR2: 00000000f7e63b61
    [ 8.404700] ---[ end trace 6de86436d879022d ]---

    [ 8.463280] ppdev: user-space parallel port driver
    [ 8.579037] Adding 839676k swap on /dev/mapper/fedora-swap. Priority:-1 extents:1 across:839676k SSFS
    [ 9.617937] snd_intel8x0 0000:00:05.0: white list rate for 1028:0177 is 48000
    [ 127.547575] audit_printk_skb: 9 callbacks suppressed
    The following facts are known in this use case:
    [1] RAPL -> RUNNING AVERAGE POWER LIMIT (more to read here);
    [2] On my initial F25 x86_64 VM (on the top of VMWare) I do not have such an occasion (I do not have any Oops reported by dmesg)!

    The following questions I have to general Fedora Forums list (any help is greatly appreciated):
    [1] Does anybody have such an occasion running Fedora25 32bit (kernel 4.8.1-1.fc25.i686) on bare INTEL/AMD platform?
    [2] Does anybody have such an occasion running Fedora25 32bit (kernel 4.8.1-1.fc25.i686) as VM on the top of any virtual machine/VMM/HYPervisor used, on the top of OS, running on INTEL/AMD platform?



    Thank you all in advance,
    _nobody_

  5. #5
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    Talking Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    Quote Originally Posted by nobody
    In F25 i686 VM I noticed kernel Oops, which does not prevent it to boot sucessfully. The following facts are known in this use case:
    [1] RAPL -> RUNNING AVERAGE POWER LIMIT (more to read here);
    [2] On my initial F25 x86_64 VM (on the top of VMWare) I do not have such an occasion (I do not have any Oops reported by dmesg)!

    The following questions I have to general Fedora Forums list (any help is greatly appreciated):
    [1] Does anybody have such an occasion running Fedora25 32bit (kernel 4.8.1-1.fc25.i686) on bare INTEL/AMD platform?
    [2] Does anybody have such an occasion running Fedora25 32bit (kernel 4.8.1-1.fc25.i686) as VM on the top of any virtual machine/VMM/HYPervisor used, on the top of OS, running on INTEL/AMD platform?
    Some updates on this issue:

    https://bugzilla.redhat.com/show_bug.cgi?id=1385306
    https://bugzilla.redhat.com/show_bug.cgi?id=1385306#c1

    _nobody_

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    Question Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    Another problem while trying to run Fedora25 Beta fc25.x86_64???

    The context is the following:

    Quote Originally Posted by nobody

    [1] I run on bare HP EliteBook 840 G1 notebook (Dual CORE i5-4300U (HSW mobile sku)) WIN10 64 PRO;
    [2] On the top of it I run VMWorkstation 12.5 64bit VMWare VMM/HYP Type 2;
    [3] On the top of it I run Fedora 25 Beta x86_64 VM, where I installed virtualbox from ORACLE;
    [4] On the top of Fedora 25 Beta x86_64 VM I run virtualbox, VMM/Hyp Type 2;
    [5] On the top of virtualbox I am booting Fedora 25 Beta x86_64 VM, again... And I have problem with mounting /mnt/sysimage/ to / ?!
    And here is description of the problem (F24, we had this problem in the near Past): http://forums.fedoraforum.org/showth...23#post1772023

    I was able to boot image from virtualbox (using UEFI BIOS simulation, this is certainly the problem), by executing emergency grub2 prompt, reading the following GNU GRUB 2.00 Manual: https://www.gnu.org/software/grub/manual/grub.html

    Let me see what I can do to fix this problem???

    _nobody_

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    Arrow Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    Quote Originally Posted by nobody
    Let me see what I can do to fix this problem???
    Yes, of course I can... Yes!

    Here is the transcript of the solution. In the nutshell, after installing F25 Beta x86_64, df command showed that there is missing pivot root after rebooting (failing to pivot root tree from /mnt/sysimage to /). To fix this, I did the following before rebooting, after installation:
    [1] chroot
    [2] dnf upgrade
    [3] reboot

    To make long story short (transcript of [1] and [2]):

    [root@localhost sysimage]# df
    Filesystem 1K-blocks Used Available Use% Mounted on
    devtmpfs 2001712 0 2001712 0% /dev
    tmpfs 2023192 3428 2019764 1% /dev/shm
    tmpfs 2023192 1284 2021908 1% /run
    tmpfs 2023192 0 2023192 0% /sys/fs/cgroup
    /dev/sr0 1405662 1405662 0 100% /run/initramfs/live
    /dev/mapper/live-rw 6577480 4132988 2428108 63% /
    tmpfs 2023192 544 2022648 1% /tmp
    vartmp 2023192 0 2023192 0% /var/tmp
    tmpfs 404636 44 404592 1% /run/user/1000
    tmpfs 404636 16 404620 1% /run/user/42
    /dev/mapper/fedora-root 28352572 4071988 22817288 16% /mnt/sysimage
    /dev/sda2 999320 99640 830868 11% /mnt/sysimage/boot
    /dev/sda1 204580 8500 196080 5% /mnt/sysimage/boot/efi
    tmpfs 2023192 0 2023192 0% /mnt/sysimage/dev/shm
    [root@localhost sysimage]# which chroot
    /usr/sbin/chroot
    [root@localhost sysimage]# chroot /mnt/sysimage/

    [root@localhost /]# df
    Filesystem 1K-blocks Used Available Use% Mounted on
    /dev/mapper/fedora-root 28352572 4071988 22817288 16% /
    /dev/sda2 999320 99640 830868 11% /boot
    /dev/sda1 204580 8500 196080 5% /boot/efi

    devtmpfs 2001712 0 2001712 0% /dev
    tmpfs 2023192 0 2023192 0% /dev/shm
    tmpfs 2023192 1284 2021908 1% /run
    [root@localhost /]# dnf upgrade
    And I am using full UEFI BIOS simulation. With CMOS BIOS screens available. Neat, isn't it?

    _nobody_
    Last edited by nobody; 26th October 2016 at 05:44 PM.

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    Thumbs up Re: [SUCCESS]:Fedora 25 x686 runs successfully on VirtualBox, on the top of VMWorksta

    This is what is my newest setup:
    It might sound totaly crazy (and it is)... I am able to run three VMMs nested one inside another!

    [1] I run on bare HP EliteBook 840 G1 notebook (Dual CORE i5-4300U (HSW mobile sku)) WIN10 64 PRO;
    [2] On the top of it I run VMWorkstation 12.5 64bit VMWare VMM/HYP Type 2;
    [3] On the top of it I run Fedora 25 Beta x86_64 VM, where I installed virtualbox from ORACLE;
    [4] On the top of Fedora 25 Beta x86_64 VM I run VirtualBox, VMM/Hyp Type 2;
    [5] On the top of virtualbox I successfully booted UEFI compatible Fedora rawhide (kernel 4.9.0-0.rc2.git2.1fc26.x86_64 with rpm-fusion repos installed;
    [6] On the top of the Fedora rawhide VM I run VirtualBox-5.1.8-2.fc26.x86_64 VMM/HYP Type 2!

    Triple VMMs recursively nested!

    _nobody_

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