Messages in this thread |  | | From | Mark Gross <> | | Subject | Re: [patch] thread-aware coredumps, 2.5.43-C3 | | Date | Thu, 17 Oct 2002 19:58:23 -0700 |
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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.
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