maximilian attems wrote:
On Tue, Feb 12, 2008 at 01:14:04PM -0800, H. Peter Anvin wrote:
Are you sure that build matches the bug report?
urrgs right sorry, the posted vmlinux is a newer
2.6.24-git22 and not Version: 2.6.24-3
The EIP given falls inside the .data segment of that kernel,
specifically inside the symbol init_task.
-hpa
will rebuild aboves.
Okay, the faulting instruction is the following:
c0383360: 0f 1f 40 00 nopl 0x0(%eax)
The Crusoe code morphing software apparently doesn't recognize these
"long noops", and (presumably) the rest of the hinting NOOP group. gcc
didn't use to generate them, and Crusoe/Efficeon generally do not
benefit from code alignment anyway. I suspect the best thing to do is
to use either a 586 kernel or build a dedicated Crusoe kernel without
code alignment.
-hpa
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