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---
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title: OpenMandriva Lx 4.3 Release Notes
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description:
published: true
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date: 2022-02-21T19:29:56.637Z
2021-04-24 06:18:13 +01:00
tags: 4.3
editor: markdown
dateCreated: 2021-04-24T05:18:09.972Z
---
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# OpenMandriva Lx 4.3 Release Notes
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The OpenMandriva Lx teams are pleased to announce the availability of **OpenMandriva Lx
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4.3**.
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**Available Media**
This release is available as a live media DVD or USB flash drive (memory stick),
downloadable in ISO format. These are available on our downloads page. USB flash drive
installation is usually noticeably faster. As always speed depends on many factors.
Live media means you are able to run OpenMandriva Lx straight from a DVD or memory
stick (see below) and try it before installing it. You may also install the system to hard disk
either from the running live image or from the boot manager.
- Available ISO files are:
•*x86_64 KDE Plasma desktop* full featured (includes the most common used
functionalities, multimedia and office software).
•*znver1 KDE Plasma desktop*: we have also built a version specifically for current AMD processors
(Ryzen, ThreadRipper, EPYC) that outperforms the generic (x86_64) version by taking
advantage of new features in those processors. znver1 is for the listed processors (Ryzen, ThreadRipper, EPYC)
only, do not install on any other hardware.
Installable images are offered for the Pinebook Pro, Raspberry Pi 4B, Raspberry Pi 3B+,
Synquacer, Cubox Pulse and generic UEFI compatible devices (such as most aarch64
server boards)
**System requirements**
OpenMandriva Lx 4.3 requires at least 2048 MB of memory and at least 10 GB of hard
drive space (see below for known issues with partitioning).
*Important Note: Graphics Hardware:*
The KDE Plasma Desktop requires a 3D graphics card that supports OpenGL 2.0 or
above.
We recommend using AMD, Intel, Adreno or VC4 graphics chips.
**Internet Connection**
Calamares Installer checks if an Internet connection is available, but OpenMandriva Lx will
install just fine even without. It is perfectly OK to simply install as you normally would and
proceed to use your new system as normal.
Updating such a system would require being temporarily connected to the internet or
downloading the packages elsewhere and transferring them to the installed system and
installing the updated packages. But as you are not connected to the internet you could
simply use the system and not update for how ever long you see fit.
**Virtual Machines**
At this time the only virtualization software that OMLx ISOs are tested on is VirtualBox.
The same hardware requirements apply when running in virtual machines.
For VirtualBox you must always have at least 2048 MB of memory or OpenMandriva Lx will
fail to boot.
Also for VirtualBox it is advisable to install to a fresh virtual machine, as trying to install to
an existing one may occasionally fail.
**Calamares installer**
Calamares is an installer framework.
By design it is very customizable, in order to satisfy a wide variety of needs and use cases.
It aims to be easy, usable, beautiful, pragmatic, inclusive and distribution-agnostic.
Calamares includes an advanced partitioning feature, with support for both manual and
automated partitioning operations.
It is the first installer with an automated “Replace Partition” option, which makes it easy to
reuse a partition over and over for distribution testing.
Many Linux distros use Calamares installer and each has its own implementation and
standards. The user may notice some small differences but it does not mean this is a bug.
**Partitioning**
At this time partitioning LVM and Raid setups with Calamares installer are not supported.
This applies to all partitioning, all installation on hardware: If you have a UEFI/EFI
computer and your BIOS offers a choice when you boot installation media between for
example:
`USB some Flash Drive`
`UEFI USB some Flash Drive`
or
`some DVD optical_device`
`UEFI some DVD optical_device`
You have to choose the UEFI option and boot that. But know also that not all computers
will do this. Some with more spartan BIOS will offer only the one option and almost always
it is the correct one. So for instance if on a notebook you don't see the above choice no
worries.
If you have multiple storage drives enabled they all need to have the same partition table
type. They either need to all be gpt or all mbr for everything to work properly.
On UEFI computers in multi-boot situation with multiple storage drives if you already have
an existing /boot/efi partition you should use that. The partitioner will not create
another /boot/efi with proper flags and installation will result in error with no
bootloader installed. Do not format you just set the mount point to /boot/efi. One can
have many different boot loaders for different operating systems in the same /boot/efi
partition. If there is any need to switch boot loaders that is done in BIOS settings.
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**Upgrading OMLx 4.2 system to OMLx 4.3**
See [Upgrading OM Lx 4.2 system to OM Lx 4.3 ](https://forum.openmandriva.org/t/upgrading-omlx-4-2-system-to-omlx-4-3/4338 )
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**File system type**
In the Calamares installer for OM Lx (all branches) the file system list includes all file systems the operating system recognizes for a host of reasons. This does not mean one should use anything in the list for your root partition. `ext4` is the official recommendation for root, fat32 is the recommendation for `boot/efi` . `xfs` is also known to work for root partition. `f2fs` *should* work for root partition if the user is using a flash storage device (ssd). `btrfs` does not work for root partition on OM Lx 4.3. ** *Example***: We expect users installing an OM Lx operating system to realize that you would not choose fat16 or fat32 for your root partition. Conversely you would not use ext4 for a `/boot/efi` partition.
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**NVME SSDs**
Some NVME SSDs may not be recognized by OMLx 4.3 Live ISO.
The Live ISO has 2 different workarounds for this under "Troubleshooting" in the Grub2
Menu. They are (PCIE ASPM=OFF) and (NVME APST=OFF). We hope this works for
most peoples hardware. Problem is known and being worked on by OpenMandriva
developers and upstream developers. See more in Errata/NVME SSDs.
Hardware recognition for nvme SSDs is considerably improved for OM Lx 4.3.
This issue is of course very hardware specific.
**Installer and EFI Support**
This release of OpenMandriva Lx supports booting and installation with and without UEFI.
Note that secure boot is NOT supported.
If you wish to perform an EFI installation on an existing MBR disk it will be necessary to
convert the disk partition table to the newer GPT partitioning scheme. To do this you need
to use the gdisk tool. A typical invocation would be gdisk /dev/sda: the existing
partition table will be converted in memory to the GPT scheme. Warnings will be issued
about potential data loss, the disk will not be altered until you write the partition table by
pressing w. You are advised to back up any important data.
There may be occasions where the conversion cannot be performed, this will usually be
due to insufficient space at the beginning or end of the disk to write the partition table. It
may be necessary to delete or resize a partition to create the needed space, gparted is
your friend in these circumstances.
There is still a need to create an efi partition to contain the boot equipment and this must
be created while running the Calamares installer. When the installer reaches the
partitioning stage the / (root) partition should be removed and a small (330 MB) FAT16 or
FAT32 partition created at the start of the drive. If diskspace is critical then a smaller
partition may be used, but be sure to set it as FAT16 or FAT32 in Calamares otherwise the
installation will fail.
If you fail to observe these steps the installation of the boot loader will fail. Subsequently
partition the disk in the normal way.
Please share your experiences on the forums so that we may improve this aspect of the
installation.
If you are installing beside Windows 8, 8.1, 10 or similar EFI booted OS as a precaution
please ensure that you have recovery disks and you have backed up any important data.
Our testing has been limited with this configuration, but successful installations have been
performed with no issues.
We would welcome any feedback in this area.
**Changing Partition Type**
Please note that Calamares cannot convert one partition type to another and preserve
partition data.
If you run Calamares from the live image it is not possible to change an existing partition
type. Trying to do this generates an error message.
In order to do this you must first delete the partition and recreate it as the type that you
wish.
**Booting from USB**
It is also possible to boot this release from an USB storage device. To transfer the
live/installation image you may:
- Use rosa-imagewriter available from our repos
`sudo dnf --refresh install rosa-imagewriter`
Or, if you do not have OpenMandriva Lx yet, you can get rosa-imagewriter download links
at [this page ](http://wiki.rosalab.ru/en/index.php/ROSA_ImageWriter ).
At least 4 GB of flash drive capacity is recommended. Persistent storage is not necessary.
Note that this will erase everything on your USB!
Please do not use other usb-writing tools as some Windows tools (e.g. Rufus) truncate
the volume name. This breaks the boot process.
- Via dd
You may alternatively dd the image to your USB stick:
$ sudo dd if=< iso_name > of=< usb_drive > bs=4M
Replace < iso_name > with the path to the ISO and < usb_drive > with the device node
of the USB drive, i.e. /dev/sdb.
- SUSE Studio ImageWriter has also been tested and works for burning ISO images to USB
storage device.
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**Booting from DVD**
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Booting from DVD is deprecated. For OM Lx 4.3 ISOs there are workarounds in [Booting OM Lx 4.3 ISO from DVD ](https://forum.openmandriva.org/t/booting-om-lx-4-3-iso-from-dvd/4377 ) that should enable one to boot from DVD.
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**About Repositories**
We have now the om-repo-picker aka Software Repository Selector to select additional
repositories for more package availability.
Do not mix the repositories from different release versions/update channels. This means,
as an example, do not use Cooker repositories on a Rock system. If you use Rock, use
Rock repositories only.
This is explained in more detail in [OpenMandriva Release Plan and Repositories ](https://wiki.openmandriva.org/en/policies/release-plan-and-repositories ).
If you mix different release/update channel repositories and you break your computer
the solution is to do a fresh install. After that fresh install do not do this again.
**How to install new packages**
While graphical tools (Discover, dnfdragora, etc.) are useful to find out available extra
software, we strongly suggest to install packages from command line:
`$ sudo dnf --refresh install <package_name>`
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**Recommended update procedure**
While we do provide Discover and dnfdragora gui's for package mangement we find it best if users update their OM Lx 4.3/Rock system from Konsole (or other terminal). This is very easy, just copy and paste this command:
`$ dnf clean all ; sudo dnf clean all ; sudo dnf upgrade`
We recommend this because we see a lot of problem reports that beging with "I updated my system with Discover updater" or "I updated my system with dnfdragora".
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**New Features and Major Changes**
In order to keep current with latest changes in Linux, computer security issues, and
computer code writing there are major changes in OMLx 4.3rc.
Major changes:
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- The kernel has been updated to 5.16.7
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- KDE products have been updated: Frameworks 5.90.0, Plasma Desktop 5.23.5, KDE Gear
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21.12.2
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- Qt 5.15.3 with all patches proposed by KDE
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- Mesa 21.3.5
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- FFMPEG to 5.0
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Upgraded also some cool stuff not on the ISO but available in our repositories:
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-AMDVLK 2022.Q1.2 official AMD Vulkan driver. It is an alternative driver and can be
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installed at same time with RADV. It can be used to improve performance or stability in
some games on Linux
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-OBS-Studio 27.1.3 software for video recording and live streaming; it finally supports
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wayland session. It also supports recording h264 with VAAPI (hardware accelerated video
encoding) and we also patched it to support HEVC-x265 with HW VAAPI
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-Blender 3.0.1
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-GIMP 2.10.30
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-Audacity 3.1.3
-Firefox 96.0
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-Steam 1.0.0.72
-LXQt 1.0.0
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**Default sound server switched to Pipewire**
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PipeWire has become our default sound server in the current system release, thus replacing PulseAudio. However, PulseAudio is still in our repository and you can return to it at any time. See [*OM Lx 4.3 Errata* ](https://wiki.openmandriva.org/en/distribution/releases/omlx43/errata )
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[*Pipewire* ](https://pipewire.org/ )
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**Clang compiled kernel**
OpenMandriva provides a clang compiled kernel. Users can install same version of kernel-
release-desktop and kernel-release-desktop-clang for comparison.
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**What to do if I have a problem**
Should you have problems please report in the [English Support forum ](https://forum.openmandriva.org/c/en/support ) with a descriptive title and enough of a description and information for someone to be able to help you. If your issue is a serious technical issue then please [file a bug report ](https://github.com/OpenMandrivaAssociation/distribution/issues ).
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**Helping the project**
The OpenMandriva development teams (Cooker & QA) are always looking for new
contributors to assist in creating and maintaining packages and to assist bugfixing and
testing. You are welcome to join us and help us in this work which is not only rewarding but
also tremendous fun!
If you feel that your talents do not lie in the realm of software, then the OpenMandriva
Workshop group, which is made up from the artwork, documentation, translation and
Communication teams, is always open for the submissions of artwork and translations.
New contributors who would like to help with these wide-ranging tasks should see the wiki
for more details, and to learn how to join! Alternatively you may use our [forum ](https://forum.openmandriva.org ).
It also costs time and money to keep our servers up and running. If you can, please [donate ](https://www.openmandriva.org/en/Donate )
to keep the lights on!
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**Please read also [OMLx 4.3 Errata ](https://wiki.openmandriva.org/en/distribution/releases/omlx43/errata )**.
