I just compiled 2.6.22.1 on my Kubuntu 7.0.4 system.
As before, I get errors using my Seagate SATA drives, and setting adma=0
fixes the problem. I've posted the exact error/reset messages several times
before.
However, I would like to note that it happens far less often with 2.6.22.1
than it did with 2.6.21.
The history on my own machine is like this:
2.6.19 perfect, but of course no ADMA/NCQ
2.6.20 horrible, with hard resets starting immediately upon
boot, and taking 15 minutes to finally disable NCQ
2.6.21 bad resets, but they only occured ever 10-30 minutes,
NCQ never disabled
2 6.22 resets infrequent, they are soft resets, and much
quicker than before (i.e. less interruption of my usage)
NCQ is never disabled
I have no idea why I might be seeing a gradual reduction in the severity of
the problem, but it seems worth noting.
I want to point it out in case it means something to anyone working on
the kernel, especially the SATA code and drivers.
In the last 4 hours of use, I've seen a single reset.
On all previous kernels under the same load, I'd already have seen several of
them, or with 2.6.20, a constant stream of them.
--
shannon | An Irishman is never drunk as long as he can hold onto
| one blade of grass and not fall off the face of the earth.
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