[ardour-users] realtime kernel on ubuntu

Ulrich Steffens ulrich at barfuss-jerusalem.org
Thu May 3 03:38:36 PDT 2007

Am Donnerstag, den 03.05.2007, 11:55 +0200 schrieb Nicola Mattei:
> >
> Ops, sorry, I didn't read that your arch was amd64. AFAIK it's already
> in main in gutsy and there's the build for x86_64 too there so you can
> try backporting it putting a deb-src line in your sources.list
> pointing to the gutsy archive like this:
> deb-src http://archive.ubuntu.com/ubuntu/ gutsy universe main
> multiverse restricted
> then
> sudo apt-get update
> mkdir linux-rt-2.6.22
> cd linux-rt-2.6.22
> sudo apt-get build-dep linux-source-2.6.22
> (here it will install some dep if needed)
> sudo apt-get source -b linux-source-2.6.22
> (builds all the kernel images, take a _long_ time...)
> then you should have a
> linux-image-2.6.22-x-rt
> (or something like that) debian package, the right image is the one
> with -rt in the name.
> Of course use this at your own risk, I was able to do the same (and
> all went well) to backport the lowlatency image from feisty (when it
> was the unstable branch) to edgy, now I'm not at home so I can't try
> it but if you try it keep also your current kernel installed in your
> system in order to be able to boot with it if something goes wrong
> with the new one.
> Hope it helps, but be carefull as you are installing a kernel from a
> development branch so it may work or not.

isn't the lowlatency kernel in feisty what he wants?

apt-cache show linux-lowlatency
Package: linux-lowlatency
Priority: optional
Section: multiverse/admin
Installed-Size: 52
Maintainer: Ubuntu Kernel Team <kernel-team at lists.ubuntu.com>
Architecture: i386
Source: linux-meta
Depends: linux-image-lowlatency (=,
linux-restricted-modules-lowlatency (=
Size: 24422
MD5sum: e0c6493d054d8e491e46e974f54edf0f
SHA1: 4c709469fc7e8e9fb4652768b958486dda3ea9ee
SHA256: 1a75e397b8d04a24554f5eafd6a4057997762cf2f175caeed1e96a43b00c12a2
Description: Complete low latency Linux kernel
 This package will always depend on the latest complete low latency
Linux kernel
Bugs: mailto:ubuntu-users at lists.ubuntu.com
Origin: Ubuntu

apt-cache show linux-image-2.6.20-15-lowlatency
Package: linux-image-2.6.20-15-lowlatency
Priority: optional
Section: universe/admin
Installed-Size: 69672
Maintainer: Ubuntu Kernel Team <kernel-team at lists.ubuntu.com>
Architecture: i386
Source: linux-source-2.6.20
Version: 2.6.20-15.27
Provides: linux-image, linux-image-2.6, fuse-module,
ndiswrapper-modules-1.9, ivtv-modules, kvm-modules-2, rhcs-modules2-1
Depends: initramfs-tools (>= 0.36ubuntu6), coreutils | fileutils (>=
4.0), module-init-tools (>= 3.2.1-0ubuntu1)
Recommends: lilo (>= 19.1) | grub
Suggests: fdutils, linux-doc-2.6.20 | linux-source-2.6.20
Conflicts: hotplug (<< 0.0.20040105-1)
Size: 23849476
MD5sum: 34aeab8bb848bf300c7005af4347690f
SHA1: 11b3969fc2a56255653eecad5146ac81b81fa828
SHA256: 5c19a9203253418d0f1a3f2052828bddbdddbcb859a7c75479e55b54f09b8b8b
Description: Linux kernel image for version 2.6.20 on x86/x86_64
 This package contains the Linux kernel image for version 2.6.20 on


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