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SubjectRe: [PATCH] netconsole: Disable softirqs in write_msg()

* David Miller <davem@davemloft.net> wrote:

> From: Ingo Molnar <mingo@elte.hu>
> Date: Wed, 19 Nov 2008 11:14:41 +0100
>
> > Thanks! We strengthened/cleaned up the bh checks a tiny bit
> > recently, maybe that caused this to pop up. It might explain some
> > netconsole lockups perhaps? Or, the new warning might be bogus.
> > It's a bit of a maze.
>
> See my other reply to Jarek's patch posting, we're supposed to
> ignore all RX packets in this situation, and all the logic appears
> to be there, but it's not happening on that person's system for some
> reason.

Saw that ... an insanely complex scenario.

So at least there's a partial result: it appears to not be a false
positive warning in the generic softirq/lockdep code.

Ingo


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