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Senaste utgåvenoteringarna på webben | |
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These release notes may be updated. To view the latest release notes for Fedora, visit: |
This section covers changes and important information regarding the 2.6.24 based kernel in Fedora 9. The 2.6.24 kernel includes:
Tickless support for x86 64-bit systems (32-bit was added previously), which greatly improves power management.
En del element av projektet för realtidskärna.
The kernel has a new version naming scheme to more closely match the upstream version naming scheme.
The kernel spec file is now named
kernel.spec
rather than
kernel-2.6.spec
.
The kernel spec file has new macros that ease the kernel building process. Refer to http://fedoraproject.org/wiki/Docs/CustomKernel for further information.
The kernel in Fedora 9 no longer loads modules by default for
ISA sound cards. Load the module by hand using the command
modprobe module-name
, or put an entry in
/etc/modprobe.conf
. For example, for the
Creative SoundBlaster AWE64, add the following entry:
install snd-sbawe
The Fedora kernel offers paravirt_ops
support in domU
, as part of the kernel
team's efforts to reduce the work required to produce current
Xen kernels.
Xen fully virtualized guests can directly boot a kernel and initrd image and pass kernel boot args. For more details refer to http://fedoraproject.org/wiki/Features/XenFullvirtKernelBoot.
Fedora kan innehålla fixar för förbättringar och felrättningar eller fler funktioner. Därför kan Fedora-kärnan inte vara identisk rad-för-rad med den så kallade vanilj-kärnan från kernel.org webbplatsen:
För att få tag i en lista över programfixar, ladda ner RPM-paketet med källkoden och kör följande kommando mot den:
rpm -qpl kernel-<version>.src.rpm
För att få en logg med de ändringar i paketet som gjorts kan du köra följande kommando:
rpm -q --changelog kernel-<version>
If you need a user friendly version of the changelog, refer to http://wiki.kernelnewbies.org/LinuxChanges. A short and full diff of the kernel is available from http://kernel.org/git. The Fedora version kernel is based on the Linus tree.
Customizations made for the Fedora version are available from http://cvs.fedoraproject.org.
Fedora 9 includes the following kernel builds:
Native kernel, for use in most systems. Configured sources are available in the kernel-devel package.
The kernel-PAE, for use in 32-bit x86 systems with more than 4GB of RAM, or with CPUs that have an NX (No eXecute) feature. This kernel support both uniprocessor and multi-processor systems. Configured sources are available in the kernel-PAE-devel package.
Virtualization kernel for use with the Xen emulator package. Configured sources are available in the kernel-xen-devel package.
You may install kernel headers for all kernel flavors at the same
time. The files are installed in the
/usr/src/kernels/
tree. Use the following command:
version
[-PAE|-xen|-kdump]-arch
/
su -c "yum install kernel{,-PAE,-xen,-kdump}-devel"
Välj en eller flera av dessa varianter, separerade med komman och inga mellanslag, som det passar. Ange lösenordet för root
när så krävs.
x86 Kernel Includes Kdump | |
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Both the x86_64 and the i686 kernels are now relocatable, so they no longer require a separate kernel for kdump capability. PPC64 still requires a separate kdump kernel. |
Standardkärnan stöder SMP | |
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Det finns ingen separat SMP-kärna tillgänglig för Fedora på i386, x86_64 och ppc64. Multiprocessorstöd är nu tillgängligt i grundkärnan. |
Stöd för kärna på PowerPC | |
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Det finns inget stöd för Xen eller kdump för PowerPC-arkitekturen i Fedora 32-bit PowerPC har fortfarande en separat SMP-kärna. |
Fedora 9 does not include the kernel-source package provided by older versions since only the kernel-devel package is required now to build external modules. Configured sources are available, as described in Avsnitt 9.3, ”Kärn-varianter”.
Anpassad kärnbyggnad | |
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För att lära dig mer om kärnutveckling och arbeta med anpassade kärnor, gå till http://fedoraproject.org/wiki/Docs/CustomKernel. |
Refer to http://kernel.org/pub/linux/docs/lkml/reporting-bugs.html for information on reporting bugs in the Linux kernel. You may also use http://bugzilla.redhat.com for reporting bugs that are specific to Fedora.