----- Original Message ----- > > > > > Is it possible to set a gdb breakpoint when using crash to debug a > live kernel? I would like to do this in RHEL 6. I’ve tried using > > Crash> gdb break 0xffff…. Only to have crash return “crash: > prohibited gdb command: break. Is there any way to “make” this work?
Definitely not, that's why it's been explicitly prohibited. The crash utility is just a plain old user-space program. If you were able to set a kernel breakpoint, who would field the interrupt? That's what kgdb, the built-in kdb debugger, kprobes, systemtap, etc. are for. Dave > Thanks, > > Jeff -- Crash-utility mailing list [email protected] https://www.redhat.com/mailman/listinfo/crash-utility
