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> References: <Pine.BSI.4.33.0506221215410.23570-100000@hypselo.centroin.com.br>
next in thread | previous in thread | raw e-mail | index | archive | help
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, Jim
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?42B98DFD.3050400>