hi Alex， i finally fixed this problem. that's because my code lacks pci
virtual channel support.
after i add drivers\pci\vc.c to support this , everythings runs ok.
thanks a lot.
2017-03-13 10:29 GMT+08:00 rhett rhett :
> it's using qemu 1.2 , i tried the newest qemu , version 2.8 , the probl
it's using qemu 1.2 , i tried the newest qemu , version 2.8 , the problem
remains.
2017-03-10 22:08 GMT+08:00 Alex Williamson :
> On Fri, 10 Mar 2017 10:42:28 +0800
> rhett rhett wrote:
>
> > sorry , update infomation right now
> >
> >
> > i installed centos7.3 at my 8 gpus machine yesterday, an
On Fri, 10 Mar 2017 10:42:28 +0800
rhett rhett wrote:
> sorry , update infomation right now
>
>
> i installed centos7.3 at my 8 gpus machine yesterday, and i made a
> successful passthrough, the vm guest os can use gpu with no problem. so i
> think this is a software problem, i need to patch so
sorry , update infomation right now
i installed centos7.3 at my 8 gpus machine yesterday, and i made a
successful passthrough, the vm guest os can use gpu with no problem. so i
think this is a software problem, i need to patch some patch.
i also made a test in my 4 gpus machine without any softw
On Thu, 9 Mar 2017 11:47:32 +0800
rhett rhett wrote:
> somebody can help me ?
I asked for VM commandline or XML, you haven't provided it. I asked
for lspci info, you haven't provided it. Help us help you.
> 2017-03-08 14:34 GMT+08:00 rhett rhett :
>
> > here's some more error log from centos
somebody can help me ?
2017-03-08 14:34 GMT+08:00 rhett rhett :
> here's some more error log from centos guest:
>
> Mar 7 05:38:07 localhost kernel: NVRM: loading NVIDIA UNIX x86_64 Kernel
> Module 375.39 Tue Jan 31 20:47:00 PST 2017 (using threaded interrupts)
> Mar 7 05:38:08 localhost kern
here's some more error log from centos guest:
Mar 7 05:38:07 localhost kernel: NVRM: loading NVIDIA UNIX x86_64 Kernel
Module 375.39 Tue Jan 31 20:47:00 PST 2017 (using threaded interrupts)
Mar 7 05:38:08 localhost kernel: nvidia-modeset: Loading NVIDIA Kernel
Mode Setting Driver for UNIX plat
i have two guest , a windows 2008 server and a centos 7.2 . in windows, the
device manager said the gpu can't start ,error code 10.
in centos, when i run nvidia-smi, it said no device found.
no specil vm configurations, whit the same config, i can use gpu
successfully in my two gpu server. the b
On Wed, 8 Mar 2017 11:26:17 +0800
rhett rhett wrote:
> two gpus share the same irq , i found the reason. because the msi be
> disabled later , so irq 140 is being reused.
>
> but i don't know why somebady calls vfio_pci_ioctl to disable the msi.
vfio just does what the guest requests, but you'r
two gpus share the same irq , i found the reason. because the msi be
disabled later , so irq 140 is being reused.
but i don't know why somebady calls vfio_pci_ioctl to disable the msi.
2017-03-08 10:55 GMT+08:00 rhett rhett :
> i have a question about vfio , here is my description.
>
> i have 8
i have a question about vfio , here is my description.
i have 8 gpus in my server machine , but they are all behind a pcie
bridge. when i make a vfio passthrough , i can't use the gpus in my guest
os.
dmesg shows the following message
[ 662.208072] vfio-pci :87:00.0: irq 140 for MSI/MSI-X
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