PreciseKernelVersionAndFlavors
Launchpad Entry: hardware-p-kernel-version-and-flavors
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Summary
Discuss the mainline baseline version for Precise Pangolin 12.04. Also discuss the current kernel flavours for each architecture. We will also discuss the source branch for these flavours. Finally we will touch on the ports architectures.
Release Note
TBD
Kernel Version
Discuss which mainline kernel base is appropriate for Precise Pangolin 12.04. Precise is also an LTS release. As such, we would prefer to align with upstream's long term support kernel if at all possible. This does assume we know what the next long term support kernel will be. We would also prefer to have a longer testing/baking period for this kernel to provide more bug fixes and stability for our users. This may result in our choosing a slightly older kernel vs. the bleeding edge.
Assumptions
Based on the cadence of previous upstream releases, I'd anticipate the following upstream release timeline:
- v3.0 released July 21, 2011
- v3.1 released Oct 24, 2011
- v3.2 releases around Jan 2012
- v3.3 releases around March/April 2012
Kernel freeze for Precise is April 5, 2012
Taking the above into consideration, I would propose selecting the v3.2 kernel to provide a longer duration for testing, bug fixes, and overall stability.
Flavours
Are we carrying the appropriate flavours?
Discussions regarding merging amd64.generic and amd64.server have already began:
It was also requested that we evaluate the need for the NON PAE kernel. Are all intel and amd supporting PAE now for supported kernels?
Distro
Architecture |
Flavour |
Description |
i386 |
generic |
kernel for desktop machines with less than 4GB of ram |
i386 |
generic-pae |
kernel for desktop machines with more than 4GB of ram |
i386 |
virtual |
kernel for virtual machine use (KVM/EC2) |
amd64 |
generic |
kernel for desktop machines |
amd64 |
server |
kernel for server machines |
amd64 |
virtual |
kernel for virtual machine use (KVM/EC2) |
armel |
omap |
kernel for ARM OMAP-3 hardware |
Ports
Architecture |
Flavour |
Description |
powerpc |
powerpc |
PowerPC |
powerpc |
powerpc-smp |
PowerPC with SMP support |
powerpc |
powerpc64-smp |
PowerPC64 with SMP support |
BoF agenda and discussion
Welcome to Ubuntu Developer Summit! #uds-p #track #topic put your session notes here Based on the cadence of previous upstream releases, I'd anticipate the following upstream release timeline: v3.0 released July 21, 2011 v3.1 released Oct 24, 2011 v3.2 releases around Jan 2012 v3.3 releases around March/April 2012 NOTE: Kernel freeze for Precise is April 5, 2012 actions: [] work out the non-trival set of hw we will lose by dropping non-pae [] should we move the non-pae kernel to universe and community maintained [] talk to themuso/jk about needing the non-smp powerpc flavor [apw] connect with arm people for armhf flavor [jj] check that we're setting nx-emu on the right bit (see http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-oneiric.git;a=commitdiff;h=775e6e802597c3f6c334cdaaf8df807dd28c6dd6)
KernelTeam/Specs/PreciseKernelVersionAndFlavors (last edited 2011-11-08 13:16:23 by 85-210-145-47)