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

[Ingo Molnar]

* David Miller <davem@xxxxxxxxxxxxx> wrote:

> From: Ingo Molnar <mingo@xxxxxxx>
> 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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