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Dear All: Using the Excel formula below I am able to estimate daily variance(Daily VarPD)for PD,but I can't figure out how to estimate the Weekly variance for PD. Any hints? Daily VarPD = (PD * (1 - TD))/TD + VarTD * ((PD*(1-TD)+ PD^2*TD))/TD^3 WK TD VARTD PD Daily VarPD 28 0.014735 0.0000449 0 0 28 0.012421 0.0000449 0 0 28 0.014396 0.0000449 71 7005 28 0.014898 0.0000449

> Just making sure.. you''re running Xen 4.1 ? > The userspace qemu blkback implementation is *only* in Xen 4.1 .. > And it should get used automatically if dom0 kernel blkback is not available. Attempt of DomU install env above :- # xl create -c f14.install Parsing config file f14.install Daemon running with PID 3411                             [    0.000000] Initializing

Hi Jan, After commit 2ca9fbd739b8a72b16dd790d0fff7b75f5488fb8 AMD IOMMU: allocate IRTE entries instead of using a static mapping, booting dom0 stalls several times. Sometimes this results in RCU stall warnings from the dom0 kernel, hitting the "any" key, on normal or serial console, makes the boot continue for a while but it stalls several times. (It also stalls on shutdown BTW) I have