When DDB is active, always send printf() output directly to the console, even if there is a TIOCCONS console tty. We were already doing this after a panic, but it's also useful when entering DDB for some other reason too.
When DDB is active, always send printf() output directly to the
console, even if there is a TIOCCONS console tty. We were already
doing this after a panic, but it's also useful when entering DDB
for some other reason too.

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