Re: Guest memory backed by PCI BAR (x86)

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On 25/03/2015 16:56, Nate Case wrote:
> I was hoping I could then use a PCI sysfs resource file instead of a
> tmpfs file (i.e., /sys/bus/pci/devices/dddd:bb:ss.f/resourceN) to
> achieve the desired effect.  But I haven't been able to get Linux or
> memtest86+ to boot with this arrangement.  It only boots when KVM
> acceleration is disabled.
> 
> When KVM acceleration is enabled, SeaBIOS seems to function fine
> running out of PCI memory space, but booting the OS resets.
> Specifically, the following happens (I'll stick with the memtest86+
> 5.01 test case for simplicity):

Hi,

please include a trace file of the failure, obtained using "trace-cmd
record -e kvm/* -e kvmmmu/*".

Thanks,

Paolo
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