--- Gregory Wright wrote:

>
> Hi,
>
> On Jan 9, 2008, at 6:53 PM, Xin LI wrote:
>
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > Travis Mikalson wrote:
> >>
> >> Really hoping this will make it into RELENG_7_0.

> It has successfully
> >> worked around the crippling HT1000 SATA problems.

> >
> > Yes, the changeset was committed into RELENG_7_0

> and RELENG_7.
> > Because
> > it's very late of release cycle, I am afraid that

> we will not be
> > able to
> > incorporate this patchset in 6.3-RELEASE, but I

> think it would be a
> > good
> > errata candidate after testing.
> >

>
> One note that might help out people with the Tyan
> h2000M (S3992)
> mobos --- for the HT1000 patch in RELENG_7 to work,
> you need to make
> sure the BIOS settings put the HT1000 SATA
> controller in "S-ATA"
> emulation
> mode. If you use "P-ATA" emulation mode, you are
> back in data
> corruption hell.
>
> There is also a BIOS option for "RAID" mode which I
> have not tried.
> Setting "S-ATA"
> mode the box seems to run as reliable as it did
> under 6.2.
>
> BR,
> Greg


I'm a bit concerned that these "workarounds" for this
and a couple of other chipsets indicate a problem with
some underlying mechanism in the SATA driver code.
There are no such workarounds required in the linux
driver from what I've seen. Could it be a problem with
buffer handling that might creep up under heavier
loads?

Barney


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