> > I note that SUSE have included the Capability LSM in their kernel as I > get "linux kernel: Capability LSM initialized" in the log file, but I > don't know whether this means: > - the realtime functionality just needs to be configured > - I need to build and install a separate realtime module, or > - I need to build or otherwise obtain a kernel specifically built > for realtime support > > If at all possible, I'd like to do it without rebuilding the kernel > myself, but if I need to, I would be so grateful to hear from someone > who's already succeeded with this on SuSE 9.3. > I have SuSE 9.3 here on my P4/HT desktop box, which is running 2.6.11.4-20a tagged kernel. The way to go is installing kernel-source package and apply the realtime-lsm patch to the kernel source tree. The patch is here: http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc4/2.6.12-rc4-mm2/broken-out/rt-lsm.patch Just (re)build and install the patched kernel, but take special care to set the following, while on kernel configuration: CONFIG_SECURITY_CAPABILITIES=N CONFIG_SECURITY_REALTIME=M To load the realtime module at init, I added the following lines to /etc/init.d/boot.local: # Realtime LSM name. RTLSM=realtime # Realtime group name. RTGRP=audio # Realtime LSM capabilities enabling module. RTGID=`cat /etc/group | grep "^${RTGRP}:" | awk -F: '{print $3}'` if [ -n "`modprobe -l ${RTLSM}`" ]; then /sbin/modprobe ${RTLSM} gid=${RTGID} mlock=1 fi Which boils down to this literal one, if you prefer the "hackish"-way :) /sbin/modprobe realtime gid=17 mlock=1 Good luck. -- rncbc aka Rui Nuno Capela rncbc@xxxxxxxxx
