4 Jan
2016
4 Jan
'16
9:08 p.m.
On Tue, 29 Dec 2015 15:58:48 +0000, Jakub Kicinski wrote:
Hi!
I hit an issue with PCI passthrough - after I reboot the VM IOMMU mappings are incorrect and devices will access invalid memory. [...]
Reproduced easily on fully up-to-date CentOS 7 with ixgbe (Intel's 10gig cards) on Ivy Bridge CPU: CentOS Linux release 7.2.1511 (Core) # rpm -q libvirt qemu-kvm kernel libvirt-1.2.17-13.el7_2.2.x86_64 qemu-kvm-1.5.3-105.el7_2.1.x86_64 kernel-3.10.0-327.3.1.el7.x86_64