Hello, El 12/05/15 a les 17.20, Ruslan Makhmatkhanov ha escrit: > Hello, > > we have machine with VT-d and EPT-capable CPU: > Intel(R) Xeon(R) CPU E5504 [1] > > The system is FreeBSD 11.0-CURRENT r282694 installed from > ftp.freebsd.org iso. > > But dom0 fails to boot at this hardware with "iommu must be enabled for > PVH hardware domain" [2]. VT-d support is indeed not detected at kernel > level. Here is dmesg with VT-d enabled in BIOS [3] and dmesg with VT-d > disabled in BIOS [4]. It's look like there is no difference on both > outputs. Here is the proofpic of that the system is VT-d capable and the > support is enabled in BIOS [5]. Here is acpidump -t output [6]
My bet right now is be that Xen detects that your IOMMU contains erratas and disables it. Can you add "iommu=debug,force" to your xen_cmdline and try again? Also, can you paste the contents of your /boot/loader.conf? Roger. _______________________________________________ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
