Re: data corruption with nvidia chipsets and IDE/SATA drives // memory hole mapping related bug?!

From: Erik Andersen
Date: Thu Dec 14 2006 - 04:52:52 EST


On Thu Dec 14, 2006 at 11:23:11AM +0200, Muli Ben-Yehuda wrote:
> > I just realized that booting with "iommu=soft" makes my pcHDTV
> > HD5500 DVB cards not work. Time to go back to disabling the
> > memhole and losing 1 GB. :-(
>
> That points to a bug in the driver (likely) or swiotlb (unlikely), as
> the IOMMU in use should be transparent to the driver. Which driver is
> it?

presumably one of cx88xx, cx88_blackbird, cx8800, cx88_dvb,
cx8802, cx88_alsa, lgdt330x, tuner, cx2341x, btcx_risc,
video_buf, video_buf_dvb, tveeprom, or dvb_pll. It seems
to take an amazing number of drivers to make these devices
actually work...

-Erik

--
Erik B. Andersen http://codepoet-consulting.com/
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