Messages in this thread | | | Date | Fri, 11 Jan 2002 21:11:03 +0100 | From | Vojtech Pavlik <> | Subject | Re: ide.2.2.21.05042001-Ole.patch.gz |
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On Fri, Jan 11, 2002 at 08:58:43PM +0100, Krzysztof Oledzki wrote: > Hello, > > I have just modified Andre Hedrick's ide.2.2.19.05042001 patch. You can > find it at "http://www.ans.pl/ide/ide.2.2.21.05042001-Ole.patch.gz". It > should patch 2.2.21pre2 kernel without any warnings/errors. I also > bacported new VIA driver from 2.4.x kernel - this one uses correct IO port > as via_base so values displayed in /proc/ide/via file are now properly > calculated. Check the "BM-DMA base" value :) > > Hopefully, devices which work in DMA mode, have DMA/UDMA value instead of > PIO in "Transfer Mode" now. It also should works better with some new > chipsets. If I found time I can also try to backport new Intel, Promise > and HPT drivers if no no one else is working on it. I believe I have > required hardware to test it. > > I also have one question about IDE support in 2.4.x kernel. Why, with VIA > MVP3 chipset on my FIC 503+ board, with UDMA33/66/100 HDDs using 2.4.x > kernels I have only 13 MB/sec (tested with hdparm -t). With 2.2.x kernels > hdparm shows 17 MB/sec but with IDE support bacported from 2.4.x kernels > (2.2.19/2.2.20+original Andre Hedrick's patch) it is also 13 MB/sec.
If you can send me 'lspci -vvxxx' for both the cases, perhaps I'll be able to find out why it is so. Is this with all the IDE patches or just the VIA driver changed?
-- Vojtech Pavlik SuSE Labs - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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