Re: 2.6.13-rc6-rt3

From: Andrew Burgess
Date: Thu Aug 18 2005 - 15:00:39 EST


>I haven't used any of the RT patches since V0.7.51-xx, but I upgraded to -rt8
>yesterday and had a couple of problems. I've just noticed you released -rt9,
>but I don't think my problem is listed as fixed.. I'll upgrade anyway, in a
>minute.

>The problem I'm having is that when the kernel probes my IDE devices it slows
>down, taking ages to complete the probe. Henceforth the kernel seems to work
>at a slower speed doing just about anything (compiling, etc.), but
>interactive performance is okay. It's a bizarre problem.

Similar symptoms happened to me recently and it turned out I had accidently
omitted support for my mb ide chipset (ata_piix) while shrinking my config so
the kernel was unable to set dma mode. Took me a while to find because everything
was working (in PIO mode) just really slowly :-)

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