Messages in this thread | | | Date | Thu, 17 Oct 2002 23:55:10 -0400 | From | Daniel Jacobowitz <> | Subject | Re: [patch] thread-aware coredumps, 2.5.43-C3 |
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On Thu, Oct 17, 2002 at 07:58:23PM -0700, Mark Gross wrote: > On Thursday 17 October 2002 07:12 pm, Andi Kleen wrote: > > I want the x86 CPU error code, which often has interesting clues on the > > problem. trapno would be useful too. I suspect other CPUs have similar > > extended state for exceptions. > > > > I usually hack my kernel to printk() it, but having it in the coredump > > would be more general and you can look at it later. > > > > Eventually (in a future kernel) I would love to have the exception > > handler save the last branch debugging registers of the CPU and the let the > > core dumper put that into the dump too. Then you could easily > > figure out what the program did shortly before the crash. > > > > -Andi > > Having the last branch before a crash would be cool. Its easy to add note > sections to core files. If it turns out to be useful I'm sure the GDB folks > would support it.
Absolutely. The GDB side would be pretty easy.
-- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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