Date: Tue, 13 Aug 2002 22:57:28 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Gavin Atkinson <gavin.atkinson@ury.york.ac.uk> Cc: current@freebsd.org, <bde@freebsd.org> Subject: Re: 100% reproducable hang: serial related Message-ID: <20020813225344.E28507-100000@gamplex.bde.org> In-Reply-To: <Pine.BSF.4.33.0208121254320.63579-100000@ury.york.ac.uk>
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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. Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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