Benjamin Herrenschmidt wrote:
Does the problem occur on 2.6.18 but not on earlier version? If it
doesn't happen on 2.6.17, we can rule out h/w problem.
Difficult to say... this is a fresh install of FC6 and it's a production
box (heh, it handles my email !) so we can't easily test plenty
different kernels on it unfortunately... If 2.6.17 can be booted and
works fine on FC6, might be worth giving it a go but I wouldnt' expect
too many tests of that sort.
* If 2.6.17 shows the same problem : could be a faulty drive or
problem in the controller. NV SATA controllers supply two
interfaces - legacy TF/BMDMA and ADMA. The former tends to react
badly when error condition occurs. Driver for ADMA interface is
under development. It could be that the controller cannot cope with
transient transmission errors. If this is the case, ADMA driver
should be able to fix it.
Do we have any contact at nVidia that could rule on that issue ? The
drives both appear to work fine on the SIL controller...
Robert Hancock is working on nv adma suppport.
http://article.gmane.org/gmane.linux.ide/13608
W/ the above patch, sata_nv should be able to recover much better from
error conditions, but we still have to find out why such errors are
occurring in the first place.
Thanks.
--
tejun
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