Messages in this thread | | | Date | Tue, 02 Mar 2004 15:52:48 -0800 | From | George Anzinger <> | Subject | Re: kgdb support in vanilla 2.6.2 |
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Andrew Morton wrote: > George Anzinger <george@mvista.com> wrote: > >> Often it is not clear just why we are in the stub, given that >>we trap such things as kernel page faults, NMI watchdog, BUG macros and such. > > > Yes, that can be confusing. A little printk on the console prior to > entering the debugger would be nice.
That assumes that one can do a printk and not run into a lock. Far better IMNSHO is to provide a simple way to get it from gdb. One can then even provide a gdb macro to print the relevant source line and its surrounds. I my lighter moments I call this the comefrom macro :) In my kgdb it would look like:
l * kgdb_info.called_from
-- George Anzinger george@mvista.com High-res-timers: http://sourceforge.net/projects/high-res-timers/ Preemption patch: http://www.kernel.org/pub/linux/kernel/people/rml
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