Public bug reported: Hi!
Please, give me an advice. I try use VGA passthough NVidia k40 on SuperMicro Server, but server is having error. My Xen is using qemu (a9e8aeb3755bccb7b51174adcf4a3fc427e0d147)2.0.0 My VirtualMachine is have config: device_model_version = "qemu-xen" device_model_override = "/opt/sources/qemu-a9e8aeb/x86_64-softmmu/qemu-system-x86_64" When I start VM: dmesg [ 0.906181] pci 0000:00:05.0: BAR 1: can't assign mem pref (size 0x100000000) [ 0.906187] pci 0000:00:05.0: BAR 1: trying firmware assignment [mem 0x100000000-0x1ffffffff 64bit pref] [ 0.906193] pci 0000:00:05.0: BAR 1: assigned [mem 0x100000000-0x1ffffffff 64bit pref] and lspci -s 00:05.0 -vvv Region 0: Memory at 85000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at 100000000 (64-bit, prefetchable) [size=4G] Region 3: Memory at 82000000 (64-bit, prefetchable) [size=32M] Why? This is message in DOM0: lspci -s 03:00.0 -vvv .... Region 0: Memory at de000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at 5800000000 (64-bit, prefetchable) [size=16G] Region 3: Memory at 5c00000000 (64-bit, prefetchable) [size=32M] Why Qemu don`t mapping BAR1? Thanks! Regards! ** Affects: qemu Importance: Undecided Status: New ** Patch added: "lspci_nvidia_DOM0.txt" https://bugs.launchpad.net/bugs/1333216/+attachment/4137472/+files/lspci_nvidia_DOM0.txt ** Patch removed: "lspci_nvidia_DOM0.txt" https://bugs.launchpad.net/qemu/+bug/1333216/+attachment/4137472/+files/lspci_nvidia_DOM0.txt -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1333216 Title: Xen 4.4 with qemu 1.6.2 VGA passthru NVIDIA Status in QEMU: New Bug description: Hi! Please, give me an advice. I try use VGA passthough NVidia k40 on SuperMicro Server, but server is having error. My Xen is using qemu (a9e8aeb3755bccb7b51174adcf4a3fc427e0d147)2.0.0 My VirtualMachine is have config: device_model_version = "qemu-xen" device_model_override = "/opt/sources/qemu-a9e8aeb/x86_64-softmmu/qemu-system-x86_64" When I start VM: dmesg [ 0.906181] pci 0000:00:05.0: BAR 1: can't assign mem pref (size 0x100000000) [ 0.906187] pci 0000:00:05.0: BAR 1: trying firmware assignment [mem 0x100000000-0x1ffffffff 64bit pref] [ 0.906193] pci 0000:00:05.0: BAR 1: assigned [mem 0x100000000-0x1ffffffff 64bit pref] and lspci -s 00:05.0 -vvv Region 0: Memory at 85000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at 100000000 (64-bit, prefetchable) [size=4G] Region 3: Memory at 82000000 (64-bit, prefetchable) [size=32M] Why? This is message in DOM0: lspci -s 03:00.0 -vvv .... Region 0: Memory at de000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at 5800000000 (64-bit, prefetchable) [size=16G] Region 3: Memory at 5c00000000 (64-bit, prefetchable) [size=32M] Why Qemu don`t mapping BAR1? Thanks! Regards! To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1333216/+subscriptions