Re: softlockup interaction with slow consoles

[David S. Miller]

From: Ingo Molnar <mingo@xxxxxxxxxx>
Date: Tue, 21 Feb 2006 04:09:58 -0500 (EST)

> i changed soft lockup detection to be turned off during bootup. That
> should work around any boot-time warnings.

Excellent.

> (if this can happen on a booted up system then the real fix would indeed
> be to split up register_console()'s workload - that would also make it
> more preemption-friendly. But at first sight it looks quite complex to
> do.)

Agreed.  I thought about buffering in the slow console driver itself
but that's bad because if it's a crash message we might not get the
events (interrupts, or whatever) in order to make forward progress
printing out the buffer, and thus we'd lose the valuable messages.
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