On Mon, 12 Aug 2002, Gavin Atkinson wrote:

> ...

[Replied to part separately.]

> I can also hold ctrl-alt-escape on my laptop, and power up or down the PC,
> which will drop my laptop into DDB. From that point on, ddb works fine,
> continuing back to userspace works fine, and my laptop is no longer hung.
> Note however that often, from this point on until I quit tip, all
> characters I send seem to be sent as uppercase.

ddb disables interrupts in -current, and this probably helps by preventing
interrupt storms.  Getting uppercase is harder to explain.


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