Messages in this thread |  | | | Date | Fri, 6 Aug 2004 10:27:28 +0200 | | From | Ingo Molnar <> | | Subject | Re: Possible dcache BUG |
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* Andrew Morton <akpm@osdl.org> wrote:
> Ingo Molnar <mingo@elte.hu> wrote: > > > > [btw., it would be nice to dump > > instructions prior the crash point so that we could know precisely what > > prefetch instruction the kernel included.] > > I've had a patch (from Keith) to do that in -mm for over a year, and > ksymoops has supported it for that long. But I think Linus has some > problem-which-I-never-understood with the whole idea.
There were some more naive patches around previously i believe and those problems are solved in this patch: the dump splits the pre-crash and post-crash instruction stream decoding, so crash-EIP decoding is never unreliable.
> 25-akpm/arch/i386/kernel/traps.c | 18 ++++++++++-------- > 1 files changed, 10 insertions(+), 8 deletions(-)
a strong ack from me.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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