----- "Bernhard Walle" <bwalle@xxxxxxx> wrote: > * Cliff Wickman [2008-11-12 09:54]: > > > > > > Running on an x86_64 box, with a 2.6.28 kernel, lcrash fails > > on a failed read of /dev/mem. > > It is a read to initialize virtop. It fails with EPERM. > > > > The problem is > > CONFIG_STRICT_DEVMEM=y > > > > (could this be a problem to crash as well?) > > Yes. I'm working on making that runtime-configurable and hope that > patch gets accepted upstream. > > > Regards, > Bernhard And hopefully Bernhard's efforts will work out for non-Red Hat users of the crash utility. The CONFIG_STRICT_DEVMEM concept has been in place in Red Hat x86 and x86_64 kernels since RHEL4, which is why the /dev/crash driver was created to replace /dev/mem for those two architectures. Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility