[vfio-users] Support for Passthrough

Mon Nov 21 18:00:03 UTC 2016

ahh sorry didnt know, dont do mailing lists often.
heres the current xml with the /opt/gtx.rom in devices
<https://u.teknik.io/ZPnNL.xml>

On Mon, Nov 21, 2016 at 11:53 AM, Dawid Osuchowski <tulphoon at openmailbox.org
> wrote:

> Paste your virsh XML somewhere and paste a link to that here, also when
> you reply on a mailing list, click “Reply to All” or equivalent of that,
> because you are responding directly to me and not to the list itself aswell.
>
> On 21 Nov 2016, at 18:52, Zachary Boley <zboley00 at gmail.com> wrote:
>
> yes and after the dd it did work and verifies as a uefi rom, problem is no
> matter where i put it virt-manager/qemu errors out and says it cant find it
> (even when i verified that its there and chowned it) no idea why its not
> finding it. Also doesnt let me put in that boot order 1 command
>
> On Mon, Nov 21, 2016 at 11:45 AM, Dawid Osuchowski <
> tulphoon at openmailbox.org> wrote:
>
>> You can put it anywhere you want, really. It was just a suggestion, did
>> you run EfiRom -d on it though?
>>
>>
>> On 21 Nov 2016, at 13:00, Zachary Boley <zboley00 at gmail.com> wrote:
>>
>> Its not allowing it to load, had to do rom file instead of rom bar and
>> now its saying it cant find the file even though i've verified that its in
>> that directory and i've even chowned it to qemu and whoever but still didnt
>> work. I put it in the same area as the first pci device in the previous
>> emails
>>
>> On Mon, Nov 21, 2016 at 5:49 AM, Zachary Boley <zboley00 at gmail.com>
>> wrote:
>>
>>> alright the dd stripe command worked, but it errors out when i put it
>>> around the area you told me to put it in somewhere in hostdev and it says
>>> its an unsupported configuration
>>>
>>> On Mon, Nov 21, 2016 at 3:51 AM, Dawid Osuchowski <
>>> tulphoon at openmailbox.org> wrote:
>>>
>>>> Rename it to .rom, then run EfiRom -d romname.rom, if it says that the
>>>> file isn't rom, then run my command. If it says it's a rom file and it has
>>>> efi headers, then supply it into VM with the xml i've written in my
>>>> previous mails.
>>>>
>>>> On 11/21/2016 06:27 AM, Zachary Boley wrote:
>>>>
>>>> Alright i think i found it here https://forum-en.msi.com/index
>>>> .php?topic=181551.0
>>>> i unrar'd it and now its just a .310, do i need to do the dd thing you
>>>> said or just rename it to .rom
>>>>
>>>> On Sun, Nov 20, 2016 at 10:45 PM, Zachary Boley <zboley00 at gmail.com>
>>>> wrote:
>>>>
>>>>> Alright i emailed MSI a support ticket to which they havent gotten
>>>>> back to me with, even when they responded so quickly, seems they just kinda
>>>>> left it at that
>>>>>
>>>>> On Sun, Nov 20, 2016 at 5:15 AM, Dawid Osuchowski <
>>>>> tulphoon at openmailbox.org> wrote:
>>>>>
>>>>>> Yes, although they also call it UEFI GOP so don't be scared if you
>>>>>> see only that one and not UEFI ROM phrase, it's the same. When you get
>>>>>> that, check the file with the EfiRom tool as prescribed before, if it will
>>>>>> say that this isn't a proper rom file, strip it using the dd command i've
>>>>>> pasted in my previous emails.
>>>>>>
>>>>>> On 11/20/2016 01:55 AM, Zachary Boley wrote:
>>>>>>
>>>>>> I started to assume it was the uefi thing as i saw that my GPU doesnt
>>>>>> have a uefi rom so I'll try to get a uefi rom, so i just need to google
>>>>>> "MSI Geforce GTX 650 TI BOOST uefi rom"? and then load it how you say i
>>>>>> should?
>>>>>>
>>>>>> On Sat, Nov 19, 2016 at 12:22 PM, Dawid Osuchowski <
>>>>>> tulphoon at openmailbox.org> wrote:
>>>>>>
>>>>>>> Well. If it works for you, it doesn't matter what method you have
>>>>>>> used. For me, ROM's from that site didn't have UEFI at all, at least it
>>>>>>> wasn't working with my VM, so i've went onto my card's vendor (MSI) forum
>>>>>>> and looked up threads where they ask for UEFI ROMs, striped it and it works
>>>>>>> like a charm now.
>>>>>>>
>>>>>>> On 11/19/2016 07:15 PM, Thomas Mashos wrote:
>>>>>>>
>>>>>>> I did read your previous email and I tried that, it didn't work for
>>>>>>> me. However, it's possible that I didn't have the right rom file the first
>>>>>>> time. The one I had tried loading via the XML file I had gotten by
>>>>>>> googleing as you had suggested. The one I flashed I got after doing a card
>>>>>>> lookup on this site https://www.techpowerup.com/vgabios/
>>>>>>>
>>>>>>> On Sat, Nov 19, 2016 at 10:10 AM Dawid Osuchowski <
>>>>>>> tulphoon at openmailbox.org> wrote:
>>>>>>>
>>>>>>>> You didn't have to flash the rom onto the card, you could just
>>>>>>>> supply it to the VM with the following XML, check my previous mail:
>>>>>>>>
>>>>>>>> <rom bar='on' file='/opt/GTX760.rom'/>
>>>>>>>>
>>>>>>>>
>>>>>>>> One thing i've forgotten to add, that the vendors tell people to
>>>>>>>> flash their cards with this command:
>>>>>>>>
>>>>>>>> nvflash
>>>>>>>>
>>>>>>>>
>>>>>>>> But you do not need to do that at all!
>>>>>>>> I've ran EfiRom -d on the rom file and it said that the file is not
>>>>>>>> a rom file. The thing that worked for me was striping the rom and skipping
>>>>>>>> some of the first bytes with this command:
>>>>>>>>
>>>>>>>> dd if=NV287MH.2K0 of=strip.rom bs=1 skip=1536
>>>>>>>>
>>>>>>>>
>>>>>>>> Then supplied it into VM and it started working properly :)
>>>>>>>>
>>>>>>>> On 11/19/2016 07:02 PM, Thomas Mashos wrote:
>>>>>>>>
>>>>>>>> I just wanted to reply here because I've been fighting the exact
>>>>>>>> same issue for a similiar period of time and have tried many different
>>>>>>>> things (see my thread titled 'Another Nvidia code 43 error) and this thread
>>>>>>>> ended up helping me resolve the issue.
>>>>>>>>
>>>>>>>> I didn't have UEFI on my card (says GPU-Z) and couldn't get the rom
>>>>>>>> to load via the XML file, so I ended up flashing the UEFI rom to my GTX 760
>>>>>>>> and after rebooting the host and starting the VM, it now works.  Here's my
>>>>>>>> current XML file, although I plan to try and back out some of the changes
>>>>>>>> I've made  http://termbin.com/99g8
>>>>>>>>
>>>>>>>> On Sat, Nov 19, 2016 at 3:20 AM Dawid Osuchowski <
>>>>>>>> tulphoon at openmailbox.org> wrote:
>>>>>>>>
>>>>>>>> It seems like you might have the same problem i have had with Error
>>>>>>>> 43. For using passthrough with OVMF, your GPU needs to have a UEFI
>>>>>>>> compatible ROM, either on the card itself or supplied to the VM using:
>>>>>>>>
>>>>>>>> <rom bar='on' file='/opt/GTX650.rom'/>
>>>>>>>>
>>>>>>>>
>>>>>>>> It should be used like this
>>>>>>>>
>>>>>>>> <devices>
>>>>>>>>   <hostdev mode='subsystem' type='pci' managed='yes'>
>>>>>>>>     <source>
>>>>>>>>       <address domain='0x0000' bus='0x06' slot='0x02' function='0x0'/>
>>>>>>>>     </source>
>>>>>>>>     <boot order='1'/>
>>>>>>>>     <rom bar='on' file='/opt/GTX650.rom'/>
>>>>>>>>   </hostdev>
>>>>>>>> </devices>
>>>>>>>>
>>>>>>>>
>>>>>>>> You need to check whether your ROM supports UEFI or not. Look up
>>>>>>>> this blog post by Alex Williamson on how to do that
>>>>>>>> http://vfio.blogspot.com/2014/08/does-my-graphics-card-rom-s
>>>>>>>> upport-efi.html, but instead of using his utility (which for me
>>>>>>>> said that the rom is UEFI compatible, while it was not) use:
>>>>>>>>
>>>>>>>> EfiRom -d
>>>>>>>>
>>>>>>>>
>>>>>>>> It comes with 'edk2' package in Fedora.
>>>>>>>>
>>>>>>>> If you cannot extract the ROM file from your card (it was the same
>>>>>>>> for me) then go into google and search for something like "(vendor e.g.
>>>>>>>> MSI) GTX 650 TI BOOST uefi rom". If you cannot find anything with that,
>>>>>>>> then go to a forum of the vendor of your card and ask them to supply it to
>>>>>>>> you.
>>>>>>>>  On 11/19/2016 06:01 AM, Zachary Boley wrote:
>>>>>>>>
>>>>>>>> I've been at this for almost 2 weeks and im on the final steps,
>>>>>>>> Error 43 and no matter what i do its always detected as a vm. I was
>>>>>>>> referred to come here from the vfio subreddit. here are my specs/versions
>>>>>>>>
>>>>>>>> Compiled against library: libvirt 2.2.0
>>>>>>>> Using library: libvirt 2.2.0
>>>>>>>> Using API: QEMU 2.2.0
>>>>>>>> Running hypervisor: QEMU 2.7.0
>>>>>>>> Windows 10 64bit
>>>>>>>>
>>>>>>>> 2x Xeon 5540s @ 2.5
>>>>>>>> 48GB DDR3 ECC
>>>>>>>> GTX 650 TI BOOST
>>>>>>>> Fedora 24 Server 4.8.6
>>>>>>>>
>>>>>>>> to prove IOMMU is enabled http://pastebin.com/K2i7A79j
>>>>>>>> VFIO-PCI details http://pastebin.com/JAbDRpkj
>>>>>>>>
>>>>>>>> passthrough VM xml: https://u.teknik.io/NOX1x.xml
>>>>>>>> libvirt conf: https://u.teknik.io/a0rWz.txt
>>>>>>>> qemu.conf: https://u.teknik.io/5Gd3Q.txt
>>>>>>>>
>>>>>>>> thread with my attempts https://www.reddit.com/r/VFIO/
>>>>>>>> comments/5deci8/error_43_and_other_problems/
>>>>>>>>
>>>>>>>> I have even used the OVMF git pure efi image  to see if there was a
>>>>>>>> difference but it doesnt seem to be helping. I have tried both attempts on
>>>>>>>> Q35 and 440fx and nothing to be gotten out of it. I'm very lost on this and
>>>>>>>> i have no clue whats going on. Not sure if this is the place for such
>>>>>>>> requests but im lost
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>>>
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>>>>>>>>
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>>>>>>
>>>>>>
>>>
>>
>>
>
>
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