Date: Thu, 4 Feb 1999 22:05:28 -0500 (EST) From: "John S. Dyson" <dyson@iquest.net> To: brdean@unx.sas.com (Brian Dean) Cc: freebsd-current@FreeBSD.ORG Subject: Re: aio_read panics SMP kernel Message-ID: <199902050305.WAA00818@y.dyson.net> In-Reply-To: <199902031932.OAA01903@dean.pc.sas.com> from Brian Dean at "Feb 3, 99 02:32:24 pm"
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Brian Dean said: > > I'm using a dual 350MHz Dell Precision 410 with 4.0-19990130-SNAP (SMP > enabled) to prototype a program that uses asynchronous read and write > (aio_read() and aio_write()), and found that the following simple and > not very useful program (it's for demonstration purposes only!) causes > the system to do one of three things: > The VM code needs to be upgraded to support proper threading and shared address space operations under SMP. That is a major missing feature, and probably something that should be higher priority than it currently is. I have experimental work to support it (and alot of other interesting things), but it will probably be quite a while before those who are currently working on the code will be able to add the capability. -- John | Never try to teach a pig to sing, dyson@iquest.net | it makes one look stupid jdyson@nc.com | and it irritates the pig. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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