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Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
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From:
Sergey Dolgov <dolgovs@...>
To: Tejun Heo <htejun@...>
Cc: Michal Piotrowski <michal.k.k.piotrowski@...>, <linux-kernel@...>, <linux-ide@...>
Subject:
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
Date: Monday, September 17, 2007 - 8:05 am
On 9/17/07, Tejun Heo <htejun@gmail.com> wrote: [...]
quoted text
> >>>> 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. -- Sergey -
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Messages in current thread:
ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Sergey Dolgov
, (Tue Sep 11, 5:21 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Michal Piotrowski
, (Wed Sep 12, 12:33 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Sergey Dolgov
, (Wed Sep 12, 4:07 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Michal Piotrowski
, (Wed Sep 12, 4:19 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Sergey Dolgov
, (Wed Sep 12, 5:20 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Michal Piotrowski
, (Wed Sep 12, 6:20 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Tejun Heo
, (Sun Sep 16, 7:56 am)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Sergey Dolgov
, (Mon Sep 17, 5:57 am)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Tejun Heo
, (Mon Sep 17, 7:37 am)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Sergey Dolgov
, (Mon Sep 17, 8:05 am)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Alexey Zaytsev
, (Mon Sep 17, 1:18 pm)
Re: ata_piix, laptop cdrom, ICH7: EH, limiting speed to PIO
, Sergey Dolgov
, (Tue Sep 18, 2:05 pm)
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