[Users] OVZ6 kernel panic on Debian 9

[Narcis Garcia]

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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