Date: Tue, 22 Oct 1996 22:50:17 +0200 From: Lutz Albers <lutz@muc.de> To: "Justin T. Gibbs" <gibbs@freefall.freebsd.org> Cc: freebsd-bugs@freefall.freebsd.org Subject: Re: kern/1852 Message-ID: <v03007800ae92e37b233e@[192.168.42.51]>
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Justin T. Gibbs wrote on 20.10.1996 Re: kern/1852 >Synopsis: random file system corruptions with 2.1.5R and adaptec 2742 > >State-Changed-From-To: open-analyzed >State-Changed-By: gibbs >State-Changed-When: Sun Oct 20 11:18:22 PDT 1996 >State-Changed-Why: >These types of problems with the 2842 controller are usually related >to cache invalidation or other DMA hardware problems with the motherboard. >You should try disabling your external and possibly your internal cache >and see if the problem persists. >I have disabled my external cache, and the problem is still there (hitting >the >/dev directory this time :-( >I will now disable the internal cache ... Well, I've disabled the internal cache as well, and the bug hasn't bitten me yet. But disabling both caches reduces the machine to a crawl :-( Note that the Synopsis-line was wrong. I have an Adaptec 2842, not a 2742 (the VL-bus model). lutz --------------------------------------------------------------------- Lutz Albers | What's good ? Luederitzstr. 14, 81929-Muenchen, Germany | Life's good - <mailto:lutz@muc.de> ph: +49-89-93940363 | But not fair at all <http://www.muc.de/~lutz>; fax:+49-89-93940365 | (Lou Reed) Do not take life too seriously, you will never get out of it alive.
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