[Qemu-discuss] DMAR not present in guest

2015-08-11 Thread Pradeep Kiruvale
Hi All, I am using linux 4.0 kernel on host side and 3.19 on guest side. I have enabled the iommu and nested virtualization on host. The DMAR is visible in the host side and when I start a VM using qemu-kvm, the same DMAR not visible on the guest side. But it says IOMMU is enabled when I look at

[Qemu-discuss] SysBus interrupts

2015-08-11 Thread Maciej Bielski
Let's say that I have a deviceA and deviceB, both connected to sysbus. Is it possible to send an interrupt from deviceA to CPU and then, assuming that CPU will have a proper handler function, send an interrupt from CPU to deviceB ? MB signature.asc Description: OpenPGP digital signature

Re: [Qemu-discuss] Can't remove libvirt USB controller via QEMU, but can via virsh

2015-08-11 Thread Jakob Bohm
On 11/08/2015 00:33, james harvey wrote: Using libvirt 1.2.18 (-1 Arch) and QEMU git-master (2.4.0.r40384.2d69736). Installed using Q35 chipset. Using managedsave/start is unusable due to a non-stop repeating uhci_hcd error. (Fills tty0 screen every 0.003 kernel seconds with errors.) QEMU won