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Re: siisata driver panic

On Thu, 19 Apr 2012 10:24:56 +0200
Manuel Bouyer <> wrote:

> On Tue, Apr 17, 2012 at 08:23:38PM -0600, Brook Milligan wrote:
> > I have an amd64 box that will boot an INSTALL kernel when the
> > siisata drivers are removed but panics when they are not.  The boot
> > log is attached.  I would greatly appreciate help with debugging
> > this problem.
> Is there a SATA port multiplier involved ?

Yes there is.  At this point, however, there are no drives attached.  I
am beginning to wonder if the problem has to do with the driver
thinking there are drives because the multiplexer is there, expecting
responses from the drives that will never come, and not handling the
timeouts gracefully.

For more information, I have posted some files at

The files include kernel configs, boot logs with backtraces, and a patch
to the source tree just to get to make all the kernels.  The
README file also has a brief description of the hardware.  I hope this


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