Date: Wed, 22 Jun 2005 17:12:45 +0100 From: Jim Mozley <jim.mozley@exponential-e.net> To: freebsd-questions@freebsd.org Subject: Re: support for ICH6R controller and Broadcom ethernet Message-ID: <42B98DFD.3050400@exponential-e.net> In-Reply-To: <Pine.BSI.4.33.0506221215410.23570-100000@hypselo.centroin.com.br>
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scuba@centroin.com.br wrote: > Hi Jim, > > I think it's not a answer to you but here is my recent experience. > I've installed FBSD 5.4 in a box with Intel ICH5R chipset. > It's working, no hangs, no panics, but the disk performance on the > second IDE disk (I'm not using RAID, just simple master/slave setup), is > terrible. > It's like the DMA was not correctly set on the second disk. > I read somewhere, that FreeBSD has full support to ICH5 chipset > but NOT for ICH5"R". > Even when running in "compatibility mode" set on BIOS, the > performance is the same. > > Someone told me the follwing on the performance list: > > "I remember a commit to the ata driver to fix misprogramming of > DMA timing on an Intel chipset for devices and/or channels other than the > first. I'm not sure if 5.4 has the bug or the fix." > > To me it still has the bug. OK thanks for that help. If anyone knows anything more definitive I'd be grateful (no criticism of the helpful reply intended). Thanks, Jimhome | help
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