Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)
From: Benjamin Herrenschmidt
Date: Wed Aug 20 2008 - 17:41:22 EST
> Hmm... so whats now?
>
> Is there a way to prove this scenario is indeed the one that caused the
> opps?
I've verified in sim that the crash in do_lookup() I was seeing (similar
backtrace) was indeed caused by an interrupt coming between those two
instructions and clobbering the saved GPRs.
So I think it's very likely our problem.
Ben.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/