> But I'm happy to have tracked it down to the utrace-based ptrace > emulation, and was mostly just interested in knowing if preempt and > utrace are fundamentally incompatible on x86_64, or something like > that. I'll fight through the 2.6.18-164 issues instead, since the > ptrace problem doesn't seem to be happening on that version.
It is probably the case that the RHEL5 utrace code cannot easily be made to work reliably with CONFIG_PREEMPT. Thanks, Roland
