On Friday 14 August 2009 17:24:22 Paul Grinberg wrote: > Markus, > > Thank you for your reply! I already feel better knowing that I'm not > alone :) > Maybe someone might have a clue "Why".... Fedora doesn't ship any single-proc kernels anymore except for on powerpc32. The spec file and sources don't contain an UP target or the necessary support bits (config-foo) to build one for anything but powerpc32, because its mostly pointless. > -----Original Message----- > From: Markus Kesaromous [mailto:remotestar@xxxxxxxx] > Sent: Friday, August 14, 2009 4:52 PM > To: Paul Grinberg; Linux Kernel List > Subject: RE: Recompile kernel without SMP > > > > Date: Fri, 14 Aug 2009 14:35:22 -0400 > > From: pgrinberg@xxxxxxxxxxxx > > To: fedora-kernel-list@xxxxxxxxxx > > Subject: Recompile kernel without SMP > > > > Hi there, > > > > I am trying to recompile kernel without SMP. So far I've been > > unsuccessful. Meaning I am able to compile, but it was still SMP.. > > > > Can someone tell me what I am doing wrong? > > And why I don't get "kernel-headers" build? > > > > It is probably related to spec parameters.... > > > > So far this is what I've done: > > > > cd ~/ > > rpmdev-setuptree # as regular user > > cd rmpbuild > > yumdownloader --source kernel # as regular user > > > > cd ~/rpmbuild/BUILD/kernel-2.6.29/linux-2.6.29.i686/ > > cp configs/kernel-2.6.29.6-i586.config .config > > make menuconfig # console setup > > > > Select option: Processor type and features. > > Disable "Symmetric multi-processing support" (SMP) > > > > cp .config ~/rpmbuild/SOURCES/config-i686-generic > > cp .config ~/rpmbuild/SOURCES/config-i686 > > cd ~/rpmbuild/SPECS > > nano kernel.spec > > Add line: > > % define buildid .NONSMP > > Replace: > > > > # Allow kernel-firmware building > > #%define with_firmware %{?_with_firmware: 1} %{?!_with_firmware: 0} > > %define with_firmware %{?_with_firmware: 0} %{?!_with_firmware: 1} > > > > #%define with_firmware %{?_without_firmware: 0} %{?!_without_firmware: > > 1} > > %define with_firmware %{?_without_firmware: 1} %{?!_without_firmware: > > 0} > > > > # Allow kernel-headers building > > > > # Allow kernel-devel building > > > > # Create RPM package > > rpmbuild -bb --with firmware --target=i686 kernel.spec > > > > # To actually install kernel > > su > > rpm -ivh kernel-firmware-2.6.29.6-217.2.3.nonsmp.fc11.i686.rpm > > kernel-PAE-2.6.29.6-217.2.3.nonsmp.fc11.i686.rpm > > kernel-PAE-devel-2.6.29.6-217.2.3.nonsmp.fc11.i686.rpm > > > > > > > > Just in case: > > $ cat config-i686-PAE | egrep -i "smp" | more > > CONFIG_BROKEN_ON_SMP=y > > # CONFIG_SMP is not set > > CONFIG_X86_FIND_SMP_CONFIG=y > > # CONFIG_X86_VSMP is not set > > CONFIG_SCSI_SAS_HOST_SMP=y > > CONFIG_VIDEO_VP27SMPX=m > > > > > > > > > > > > Best, > > Paul > > > > > > I just got bit by a similar problem in trying to build > > kernel-2.6.31-0.125.4.2.rc5.git2.fc12.src.rpm > > I followed the steps outlined in > > http://fedoraproject.org/wiki/Docs/CustomKernel > > > > I only wanted to build i686 architecture > > - without SMP > > - without cpu id support > > - without multicore support > > - without hyperthreading support > > - with kernel config support > > - with kernel config via /proc support > > - with frequency default governor set to Performance > > - with preemptible kernel > > - with rt2860 module support > > - with NTFS read/write support > > > > Well, it ended up building i686-PAE Debug kernel with SMP support. > > > > It seems as if the architecture is i686, then only i686 PAE Debug gets > built. > > > > I do not know where the problem lies, but ....SOURCES/Makefile.config > > might be the place where the target kernel build is being selected. > > To get around it, I edited > ...SOURCES/Makefile.config and removed all rules and definitions > pertaining to i686-PAE and only left the simple i686 def and rule. > > PS: I do not know if this is necessary, but after I copied .config to > ...SOURCES/config-i686 > I also copied it to > ...SOURCES/config-x86-generic > > Then running rpmbuild -v -bb --target=i686 kernel.spec > is proceeding without problems > > MK -- Jarod Wilson jarod@xxxxxxxxxx _______________________________________________ Fedora-kernel-list mailing list Fedora-kernel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-kernel-list
