Date: Thu, 22 May 2014 21:29:14 +0200 From: Nils Beyer <nbe@renzel.net> To: freebsd-virtualization@freebsd.org Subject: Re: bhyve on AMD, linux and high load References: <537E16FE.4070309@digiware.nl> <20140522162447.3A5F08AE@hub.freebsd.org> <537E4425.2030804@digiware.nl>
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Hi, Willem Jan Withagen wrote: > I've just completed merging and patching with Anish patches... > ONce that seems to run for my freebsd vm's, I'll start merging my > patches. And hope that it still works. Sounds good. I've tried some Linux versions ranging from 2.6.32, 3.10.x, 3.11.10 to 3.12.8 using an Anish's patched SVM+HEAD variant. They all show the same behaviour being stucked during boot. I haven't tried your patches yet, though. > And best would be that the vlapic stuff gives a extra bit of speed, > because we're not quite there yet. I suppose you start your bhyved Linux instances using the "-A" switch (ACPI tables), right? If you feel interested, you can try to start them without the "-A" switch. For me, the boot process is now stucked at "Calibrating delay loop". As far as I understand, it probably has something to do with a borked "jiffies" value and that has probably something to do with a borked "IRQ 0" that modifes that "jiffies" value at every tick. But these are just wild guesses as I understand much too little about kernels, virtualizing and stuff. For what it's worth, using an Intel i3 and without the "-A" switch, the bhyved Linux instance just boots fine as it does with the "-A" switch. BTW: you haven't the oppurtunity to try bhyve SVN on a Barcelona- or later class Opteron, have you? Thanks again for all your work there. Looking forward to hearing your results... Regards, Nils
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