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Path: sserve!newshost.anu.edu.au!harbinger.cc.monash.edu.au!msunews!agate!violet.berkeley.edu!jkh From: jkh@violet.berkeley.edu (Jordan K. Hubbard) Newsgroups: comp.os.386bsd.questions Subject: Re: BT946C problem with NetBSD 1.0 Date: 20 Dec 1994 03:38:41 GMT Organization: University of California, Berkeley Lines: 14 Message-ID: <3d5jk1$d0r@agate.berkeley.edu> References: <3d5gg7$3b6@titania.pps.pgh.pa.us> <MICHAELV.94Dec19212522@mindbender.headcandy.com> NNTP-Posting-Host: violet.berkeley.edu In article <MICHAELV.94Dec19212522@mindbender.headcandy.com>, Michael L. VanLoon <michaelv@MindBender.HeadCandy.com> wrote: >This looks like cache coherency problems. If you have write-back >caching, try to use it in write-through mode and see if this makes the >problem go away. If that still doesn't help, try disabling caching >altogether, and see if that helps. Actually, it has nothing to do with cache coherency. It's a state in the driver where a free mailbox couldn't be found in the round-robin queue, and it can happen under heavy load. Fortunately, the driver recovers gracefully so you can treat it as nothing more than a warning.. Jordan