Flavours
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|| amd64 || virtual || || Distro || || armel || versatile || || Distro || |
|| amd64 || virtual || Kernel optimised for KVM, XEN, and EC2 use || Distro || || armel || versatile || Kernel for QEMU use || Distro || |
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|| i386 || virtual || || Distro || || powerpc || powerpc || || Ports || || powerpc || powerpc-smp || || Ports || || powerpc || powerpc64-smp || || Ports || |
|| i386 || virtual || Kernel optimised for KVM, XEN, and EC2 use || Distro || || powerpc || powerpc || Single CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc-smp || Multiple CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc64-smp || Multiple CPU 64 bit powerpc kernel || Ports || |
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|| armel || versatile || || Distro || || armel || omap || || Distro || || armel || omap4 || || Distro || || armel || dove || || Distro || || powerpc || powerpc || || Ports || || powerpc || powerpc-smp || || Ports || || powerpc || powerpc64-smp || || Ports || |
|| armel || versatile || Kernel for QEMU use || Distro || || armel || omap || Kernel for Texas Instruments OMAP3 SOCs || Distro || || armel || omap4 || Kernel for Texas Instruments OMAP4 SOCs || Distro || || armel || dove || Kernel for Marvell Dove SOCs || Distro || || powerpc || powerpc || Single CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc-smp || Multiple CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc64-smp || Multiple CPU 64 bit powerpc kernel || Ports || |
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|| armel || versatile || || Distro || || armel || imx51 || || Distro || || armel || dove || || Distro || || armel || omap || || Distro || || armel || st1-5 || || Distro || || ia64 || ia64 || || Ports || || lpia || lpia || || Ports || || powerpc || powerpc || || Ports || || powerpc || powerpc-smp || || Ports || || powerpc || powerpc64-smp || || Ports || |
|| armel || versatile || Kernel for QEMU use || Distro || || armel || imx51 || Kernel for Freescale IMX51 SOCs || Distro || || armel || dove || Kernel for Marvell Dove SOCs || Distro || || armel || omap || Kernel for Texas Instruments OMAP3 SOCs || Distro || || armel || st1-5 || Kernel for QualComm ST1-5 SOCs || Distro || || ia64 || ia64 || Kernel for Itanium CPUs || Ports || || lpia || lpia || Kernel for Intel Low Power architecture systems || Ports || || powerpc || powerpc || Single CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc-smp || Multiple CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc64-smp || Multiple CPU 64 bit powerpc kernel || Ports || |
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|| armel || imx51 || || Distro || || armel || dove || || Distro || || ia64 || ia64 || || Ports || || lpia || lpia || || Ports || || powerpc || powerpc || || Ports || || powerpc || powerpc-smp || || Ports || || powerpc || powerpc64-smp || || Ports || |
|| armel || imx51 || Kernel for Freescale IMX51 SOCs || Distro || || armel || dove || Kernel for Marvell Dove SOCs || Distro || || ia64 || ia64 || Kernel for Itanium CPUs || Ports || || lpia || lpia || Kernel for Intel Low Power architecture systems || Ports || || powerpc || powerpc || Single CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc-smp || Multiple CPU 32 bit powerpc kernel || Ports || || powerpc || powerpc64-smp || Multiple CPU 64 bit powerpc kernel || Ports || |
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|| powerpc || powerpc || || Distro || || powerpc || powerpc-smp || || Distro || || powerpc || powerpc64-smp || || Distro || |
|| powerpc || powerpc || Single CPU 32 bit powerpc kernel || Distro || || powerpc || powerpc-smp || Multiple CPU 32 bit powerpc kernel || Distro || || powerpc || powerpc64-smp || Multiple CPU 64 bit powerpc kernel || Distro || |
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|| powerpc || powerpc || || Distro || || powerpc || powerpc64-smp || || Distro || || powerpc || powerpc-smp || || Distro || |
|| powerpc || powerpc || Single CPU 32 bit powerpc kernel || Distro || || powerpc || powerpc-smp || Multiple CPU 32 bit powerpc kernel || Distro || || powerpc || powerpc64-smp || Multiple CPU 64 bit powerpc kernel || Distro || |
Kernel Flavours
This document aims to document the flavours which exist in each release and further to document any transitions between flavours you may need to make.
What is a Kernel Flavour?
It is impossible to build a single kernel for every occasion, any such configuration cannot be optimal for all use cases. As a result we offer a number of kernel variants for each release, these variants termed flavours. We commonly refer to those flavours using the flavour name, for example: generic, generic-pae, and server.
How do we choose which Flavours are supported in a release?
At the Ubuntu Developer Summit (UDS) we will discuss the current flavours and their applicability. During this discussions we will make recommendations for additions to or removals from the supported flavours. Those recommendations feed into the development for that upcoming release.
Current Flavours
Below are the flavours as found in each release, for each there is a description of the likely use case for that flavour and where support is forthcoming; Distro (Ubuntu Kernel team) or Ports (community). Note for release which are no longer supported these are for information only.
Natty
Arch |
Flavour |
Description |
Support |
amd64 |
generic |
Default kernel optimised for Desktop use |
Distro |
amd64 |
server |
Kernel optimised for Server use |
Distro |
amd64 |
virtual |
Kernel optimised for KVM, XEN, and EC2 use |
Distro |
armel |
versatile |
Kernel for QEMU use |
Distro |
i386 |
generic |
Default kernel optimised for Desktop use (< 3.5GB of RAM) |
Distro |
i386 |
generic-pae |
Default kernel optimised for Desktop use (>= 3.5GB of RAM) |
Distro |
i386 |
virtual |
Kernel optimised for KVM, XEN, and EC2 use |
Distro |
powerpc |
powerpc |
Single CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc-smp |
Multiple CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc64-smp |
Multiple CPU 64 bit powerpc kernel |
Ports |
Maverick
Arch |
Flavour |
Description |
Support |
i386 |
generic |
Default kernel optimised for Desktop use (< 3.5GB of RAM) |
Distro |
i386 |
generic-pae |
Default kernel optimised for Desktop use (>= 3.5GB of RAM) |
Distro |
i386 |
virtual |
Kernel optimised for KVM, XEN, and EC2 use |
Distro |
amd64 |
generic |
Default kernel optimised for Desktop use |
Distro |
amd64 |
server |
Kernel optimised for Server use |
Distro |
amd64 |
virtual |
Kernel optimised for KVM and XEN, and EC2 use |
Distro |
armel |
versatile |
Kernel for QEMU use |
Distro |
armel |
omap |
Kernel for Texas Instruments OMAP3 SOCs |
Distro |
armel |
omap4 |
Kernel for Texas Instruments OMAP4 SOCs |
Distro |
armel |
dove |
Kernel for Marvell Dove SOCs |
Distro |
powerpc |
powerpc |
Single CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc-smp |
Multiple CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc64-smp |
Multiple CPU 64 bit powerpc kernel |
Ports |
Lucid
i386 |
generic |
Default kernel optimised for Desktop use (< 3.5GB of RAM) |
Distro |
i386 |
generic-pae |
Default kernel optimised for Desktop use (>= 3.5GB of RAM) |
Distro |
i386 |
386 |
Kernel optimised for i486 processors |
Distro |
i386 |
virtual |
Kernel optimised for KVM and XEN use |
Distro |
i386 |
ec2 |
Kernel optimised for EC2 use |
Distro |
amd64 |
generic |
Default kernel optimised for Desktop use |
Distro |
amd64 |
server |
Kernel optimised for Server use |
Distro |
amd64 |
preempt |
|
Distro |
amd64 |
virtual |
Kernel optimised for KVM and XEN use |
Distro |
amd64 |
ec2 |
Kernel optimised for EC2 use |
Distro |
armel |
versatile |
Kernel for QEMU use |
Distro |
armel |
imx51 |
Kernel for Freescale IMX51 SOCs |
Distro |
armel |
dove |
Kernel for Marvell Dove SOCs |
Distro |
armel |
omap |
Kernel for Texas Instruments OMAP3 SOCs |
Distro |
armel |
st1-5 |
Kernel for QualComm ST1-5 SOCs |
Distro |
ia64 |
ia64 |
Kernel for Itanium CPUs |
Ports |
lpia |
lpia |
Kernel for Intel Low Power architecture systems |
Ports |
powerpc |
powerpc |
Single CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc-smp |
Multiple CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc64-smp |
Multiple CPU 64 bit powerpc kernel |
Ports |
sparc |
sparc64 |
|
Ports |
sparc |
sparc64-smp |
|
Ports |
Karmic
Arch |
Flavour |
Description |
Support |
i386 |
generic |
Default kernel optimised for Desktop use (< 3.5GB of RAM) |
Distro |
i386 |
generic-pae |
Default kernel optimised for Desktop use (>= 3.5GB of RAM) |
Distro |
i386 |
386 |
Kernel optimised for i486 processors |
Distro |
i386 |
virtual |
Kernel optimised for KVM and XEN use |
Distro |
i386 |
ec2 |
Kernel optimised for EC2 use |
Distro |
amd64 |
generic |
Default kernel optimised for Desktop use |
Distro |
amd64 |
server |
Kernel optimised for Server use |
Distro |
amd64 |
virtual |
Kernel optimised for KVM and XEN use |
Distro |
amd64 |
ec2 |
Kernel optimised for EC2 use |
Distro |
armel |
imx51 |
Kernel for Freescale IMX51 SOCs |
Distro |
armel |
dove |
Kernel for Marvell Dove SOCs |
Distro |
ia64 |
ia64 |
Kernel for Itanium CPUs |
Ports |
lpia |
lpia |
Kernel for Intel Low Power architecture systems |
Ports |
powerpc |
powerpc |
Single CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc-smp |
Multiple CPU 32 bit powerpc kernel |
Ports |
powerpc |
powerpc64-smp |
Multiple CPU 64 bit powerpc kernel |
Ports |
sparc |
sparc64 |
|
Ports |
sparc |
sparc64-smp |
|
Ports |
Hardy
Arch |
Flavour |
Description |
Support |
i386 |
386 |
|
Distro |
i386 |
generic |
|
Distro |
i386 |
server |
|
Distro |
i386 |
virtual |
|
Distro |
i386 |
rt |
|
Ports |
i386 |
xen |
|
Ports |
i386 |
openvz |
|
Ports |
amd64 |
generic |
|
Distro |
amd64 |
server |
|
Distro |
amd64 |
rt |
|
Ports |
amd64 |
xen |
|
Ports |
amd64 |
openvz |
|
Ports |
hppa |
hppa32 |
|
Distro |
hppa |
hppa64 |
|
Distro |
ia64 |
itanium |
|
Distro |
ia64 |
mckinley |
|
Distro |
lpia |
lpiacompat |
|
Distro |
lpia |
lpia |
|
Distro |
powerpc |
powerpc |
Single CPU 32 bit powerpc kernel |
Distro |
powerpc |
powerpc-smp |
Multiple CPU 32 bit powerpc kernel |
Distro |
powerpc |
powerpc64-smp |
Multiple CPU 64 bit powerpc kernel |
Distro |
sparc |
sparc64 |
|
Distro |
sparc |
sparc64-smp |
|
Distro |
Dapper
Arch |
Flavour |
Description |
Support |
i386 |
386 |
|
Distro |
i386 |
686 |
|
Distro |
i386 |
k7 |
|
Distro |
i386 |
server |
|
Distro |
i386 |
server-bigiron |
|
Distro |
amd64 |
amd64-generic |
|
Distro |
amd64 |
amd64-k8 |
|
Distro |
amd64 |
amd64-server |
|
Distro |
amd64 |
amd64-xeon |
|
Distro |
hppa |
hppa32 |
|
Distro |
hppa |
hppa32-smp |
|
Distro |
hppa |
hppa64 |
|
Distro |
hppa |
hppa64-smp |
|
Distro |
ia64 |
itanium |
|
Distro |
ia64 |
itanium-smp |
|
Distro |
ia64 |
mckinley |
|
Distro |
ia64 |
mckinley-smp |
|
Distro |
powerpc |
powerpc |
Single CPU 32 bit powerpc kernel |
Distro |
powerpc |
powerpc-smp |
Multiple CPU 32 bit powerpc kernel |
Distro |
powerpc |
powerpc64-smp |
Multiple CPU 64 bit powerpc kernel |
Distro |
sparc |
sparc64 |
|
Distro |
sparc |
sparc64-smp |
|
Distro |
Kernel/Dev/Flavours (last edited 2012-09-19 19:03:51 by c-67-171-184-21)