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[Qemu-devel] [Bug 1333216] Re: Xen 4.4 with qemu 1.6.2 VGA passthru NVID
From: |
Thomas Huth |
Subject: |
[Qemu-devel] [Bug 1333216] Re: Xen 4.4 with qemu 1.6.2 VGA passthru NVIDIA |
Date: |
Wed, 19 Jul 2017 11:27:50 -0000 |
Can you still reproduce this problem with the latest version of QEMU? If
so, have you already tried to report it to the folks from the Xen
project?
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1333216
Title:
Xen 4.4 with qemu 1.6.2 VGA passthru NVIDIA
Status in QEMU:
Incomplete
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!
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- [Qemu-devel] [Bug 1333216] Re: Xen 4.4 with qemu 1.6.2 VGA passthru NVIDIA,
Thomas Huth <=