Messages in this thread |  | | | Date | Mon, 17 Sep 2007 16:05:00 +0400 | | From | "Sergey Dolgov" <> | | Subject | Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO |
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On 9/17/07, Tejun Heo <htejun@gmail.com> wrote:
[...] > >>>> BTW, this only happens when using libata of course. The > >>>> old CONFIG_IDE stuff works fine every time. > >>> This maybe one of libata weirdness (I really don't get it why some hardware > >>> works perfectly fine with an old IDE and don't work well with libata). > >> Hmmm... Is MWDMA2 mode used with ide driver too? > >> > > > > What's the best way to tell whether it does or not? (the log says > > "selected mode 0x22", see below) > > Yes, that's MWDMA2. Hmm... We're seeing many cases where MWDMA doesn't > work with libata while it works fine with IDE but have no idea what's > going on yet. :-( >
Okay, thanks. Please feel free to contact me if you need any more testing done.
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