Hi Amit,
Thanks for your answer. I was able to get your userspace pvdma version. So now, I am using the PVDMA patched kernel and the PVDMA patches userspace. However, I am not able to start the VM. I am running qemu with the following options (I am trying without any pci passthrough first)
./qemu/x86_64-softmmu/qemu-system-x86_64 -hda /root/kvm/dm2.img -m 256 -net none
The SDL windows appear but it hangs after showing the message "Press F12 for boot menu.". I am not getting any message neither in qemu nor in dmesg. Do you know what could be happening? May be a kernel compile option? It would be great if you can send me the .config file that you used to compile it, just to check the options.
Thanks,
Pablo
>-----Original Message-----
>From: Amit Shah [mailto:amit.shah@xxxxxxxxxx]
>Sent: Friday, May 15, 2009 8:00 AM
>To: Passera, Pablo R
>Cc: kvm@xxxxxxxxxxxxxxx
>Subject: Re: Status of pci passthrough work?
>
>Hello,
>
>On (Thu) May 14 2009 [11:08:29], Passera, Pablo R wrote:
>> Amit,
>> I trying to use PVDMA. I've downloaded a kernel snapshot from
>the your kvm git, but I couldn't download a snapshot or the repo from
>your kvm-userspace tree. I tried to launch the VM using kvm-85 user
>space but it hangs before loading it. Should it work with kvm-85 user
>space? Do you have the userspace patches for PVDMA?
>
>The pvdma userspace patches are at
>
>http://git.kernel.org/?p=linux/kernel/git/amit/kvm-
>userspace.git;a=shortlog;h=pvdma
>
>(look for the branch 'pvdma' in the tree).
>
> Amit
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