[Xen-devel] privcmd_fault with WinXP

[Michael David Crawford <mdc@xxxxxxxxx>]

I'm getting a little better at figuring out problems on my own.

I'm using the 3.4.0 Xen kernel, but with the Linux git xen-tip/master 
sources.  Are they expected to be compatible?
I'll give xen-tip/next a try.

I really want to be able to run a recent Linux because it has a driver 
for my 3ware 9690SA RAID.  The 2.6.18 kernel doesn't.  I took a stab at 
backporting it, but haven't gotten my backport to actually work yet.
So far I can start a WinXP SP3 HVM DomU.  A window appears, turns grey, 
then disappears.  Each time I try this, dmesg shows a line like these:
  privcmd_fault: vma=ffff88008a971840 7fc99b128000-7fc99b228000, 
pgoff=0, uv=00007fc99b128000
  privcmd_fault: vma=ffff8800919f2c60 7f8e7162e000-7f8e7172e000, 
pgoff=0, uv=00007f8e7162e000
  privcmd_fault: vma=ffff88008a88a4d0 7ffe0da4e000-7ffe0db4e000, 
pgoff=0, uv=00007ffe0da4e000
If there's anything I could do to help debug this, just let me know.

There was a post about what I think is the same bug at:

http://lists.xensource.com/archives/html/xen-devel/2009-04/msg00104.html

That post includes a call trace - my dmesg doesn't have one.  My system 
doesn't crash - the DomU just exits but nothing else bad happens.
My box is a Core 2 Quad Xeon, e5420 or some such, 8 GB FB-DIMM, 
Supermicro X7DWA-N motherboard.
Hope This Helps!

Mike
--
Michael David Crawford
mdc@xxxxxxxxx

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