On Wed, October 17, 2007 16:04, David Haggett wrote: > On Wednesday 17 October 2007, Rui Nuno Capela wrote: > >>> The default kernel and kernel source packages have both moved on to >>> 2.6.22.9-0.4 - so if I install the RT kernel, I will not be able to >>> install the NVidia driver for it. >>> >>> I am now trying to downgrade the kernel and sources to the original >>> shipped version so I can try the RT version. Does anyone have any >>> advice that might help? >> >> Interesting :) have a look up here: >> http://www.rncbc.org/drupal/node/38 >> > > Hmm > > > Well downgrading the kernel was partly successful - i.e. I got back to > version 2.6.22.5-31, installed the sources and re-installed the NVidia > driver. I then managed to install the NVidia driver against the default > kernel. > > I then managed to install the kernel-rt package, and once again booted > into text mode. > > Sadly, installing the NVidia module once again failed - basically the > same message as with 10.2 > > ERROR: The kernel header file > '/lib/modules/2.6.22.5-31-rt/build/include/linux/version.h' does not > exist. The most likely reason for this is that the kernel source files in > '/lib/modules/2.6.22.5-18-rt/build' have not been configured. > > > I've done some digging: > > > /lib/modules/2.6.22.5-31-rt/build is a symlink to > /usr/src/linux-2.6.22.5-31-obj/x86_64/rt > > > This directory contains only a single file called Module.symvers > (matching > kernel-rt and kernel-source installed. > > I've gone back to the updated kernel, and successfully re-installed the > NVidia > driver - so I evidently have correctly configured sources. Looking at > /usr/src/linux-2.6.22.5-31-obj/x86_64, there are directories for default, > xen and debug, and they each contain version.h - but there is no rt/ > folder. > > I'm not a coder, so all I have to go on is logic - but it appears to me > that the kernel-source package does not include the necessary files for a > realtime kernel. > > Is there any way that these files can be generated without rebuilding the > kernel? > that is exactly the issue. the contents in /usr/src/linux-obj/$ARCH/rt directory is incomplete and afaict not being made available in any package spec. iow it is not being supplied in the kernel-source.$ARCH.rpm where ARCH=(i386|x86_64|...) and that is why i had to build it "by-hand" the whole kernel-rt from kernel-source.src.rpm as opensuse would do it. that was my brute-force way of generating those missing files needed for building external kernel modules, of which nvidia is just one common example. btw my mini-howto also mentions the url for the updated kernel-source-2.6.22.9-0.4.src.rpm, just in case you did not notice. cheers -- rncbc aka Rui Nuno Capela rncbc@xxxxxxxxx _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
