Hi folks, I''m running Lustre with the 2.6.9-55.0.2.EL_lustre.1.6.2smp kernel, and one of the systems in my cluster keeps crashing repeatedly, at irregular intervals. I''ve been saving the core files (or at least partial core files) by using ''netdump'', but in order to diagnose the cause, I think I need a kernel with debugging symbols in it to make sense of the core image. Does one exist on the Lustre download site? Is it trivial enough to build one? The last time I built a kernel from SRPM, it tagged it with a date/time stamp, which might introduce variation in the kernel image and produce a mismatch between kernel and core image. The only files I see in my /boot directory are vmlinuz compressed kernel images -- is there any way to unpack them to examine them for debugging symbols? What''s the usual procedure in a case like this? thanks, Klaus