[Users] OVZ6 kernel panic on Debian 9

[Alexey Zilber]

Hi Narcis,

   Just came across this, which you may find interesting.  Removing systemd
took Devuan two years.
http://troubleshooters.com/linux/systemd/bikebrakes.htm

-Alex

On Tue, Jul 11, 2017 at 10:38 PM, Narcis Garcia <informatica at actiu.net>
wrote:

> Alexey, Vasily, you were wrong.
> The only barrier in Debian 8 is systemd, and the only additional barrier
> in Debian 9 is default Ext4 feature "64bit".
>
> Following the initrd/mount message, I applied a comment from StalkR:
> upgrading from Debian 8.
> I've installed a clean Debain 8 (with Ext4), upgraded to Debian 9, and
> then OpenVZ 6 installs and works (without compiling anything).
>
> https://openvz.org/Installation_on_Debian_9
>
>
>
> El 11/07/17 a les 12:24, Alexey Zilber ha escrit:
> > It won't work.  Please go through the two earlier responses.   Debian 9
> > doesn't use initrd, so it will never work.
> >  Ext4 version is the least of your provlems.
> >
> > On Jul 11, 2017 6:06 PM, "Narcis Garcia" <informatica at actiu.net
> > <mailto:informatica at actiu.net>> wrote:
> >
> >     I've debugged initrd steps, and localized an error in this action:
> >     $ mount -r -t ext4  /dev/sda1 /root
> >     EXT4-fs (sda1): error loading journal
> >     mount: Invalid argument
> >
> >     If I try there same command without readonly option:
> >     $ mount -t ext4  /dev/sda1 /root
> >     EXT4-fs (sda1): couldn't mount RDWR because of unsupported optional
> >     features (400)
> >     mount: Invalid argument
> >
> >     I see that Debian 9 installer formats Ext4 with two extra features
> that
> >     Debian 8 didn't:
> >     64bit metadata_csum
> >
> >     Does anybody know how to "downgrade" Ext4 to remove those 2 features?
> >
> >
> >     El 08/07/17 a les 16:13, Narcis Garcia ha escrit:
> >     > Install procedure:
> >     >
> >     > RepoFile=/etc/apt/sources.list.d/openvz.list
> >     > RepoUrl=http://download.openvz.org/debian
> >     <http://download.openvz.org/debian>
> >     > echo "deb $RepoUrl jessie main" | sudo tee "$RepoFile"
> >     > echo "deb $RepoUrl wheezy main" | sudo tee -a "$RepoFile"
> >     > wget -qO - http://ftp.openvz.org/debian/archive.key
> >     <http://ftp.openvz.org/debian/archive.key> | sudo apt-key add -
> >     > sudo apt --allow-unauthenticated update
> >     > KPackage="linux-image-openvz-$(dpkg --print-architecture)"
> >     > sudo apt --install-recommends install $KPackage ploop
> initramfs-tools
> >     > if [ ! -d /vz ] ; then sudo ln -s /var/lib/vz/ /vz ; fi
> >     > sudo reboot
> >     >
> >     > Attaching screenshots.
> >     > - Tested with 042stab123.8 and 042stab123.9
> >     > - Tested with amd64 binaries
> >     > - Tested both in virtual machine and real hardware
> >     > - Tested both with single plain ext4 partition (sda1 on /) and
> >     with LVM
> >     > layers.
> >     > - initrd works, next boot stage not (fstab).
> >     >
> >     >
> >     >
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