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Hugo V.C.

10 Apr 2024 10 Apr '24

7:47 a.m.

Hi all, here a simple question: is there any example/tutorial off gpu passthrough to a Linux guest? Best,

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Peter Chubb

10 Apr 10 Apr

8:37 a.m.

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"Hugo" == Hugo V C writes:

Hugo> Hi all, here a simple question: is there any example/tutorial Hugo> off gpu passthrough to a Linux guest? YES ... It's not as simple as it needs to be yet (we're still working on things) but the example in https://github.com/au-ts/libvmm/tree/main/examples/framebuffer might get you going. -- Dr Peter Chubb https://trustworthy.systems/ Trustworthy Systems Group CSE, UNSW Core hours: Mon 8am-3pm; Wed: 8am-5pm; Fri 8am-12pm.

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Hugo V.C.

6:32 p.m.

Thank you Peter, I'll give it a try... Anyway, is there any "out-of-the-box" example of a Linux Guest with gpu passthrough enabled? I mean, it would be nice to have a real example demo ready to use so engineers/companies around the Globe can try it. I'm getting mad trying to run a Firefox in a Linux Guest (see attached screenshot) and was jut able to start it on a headless Linux guest server with no GPU (remote X window) but performance is horrible (not usable) so I can not even do a demo. This is a show stopper for seL4. It is nice to have all the stuff to build thing "from scratch", but the market needs "ready to use" stuff so people can try it. Is there anything usable out there (just to try)?🙏 El mié, 10 abr 2024 a las 0:37, Peter Chubb () escribió:

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"Hugo" == Hugo V C writes:

Hugo> Hi all, here a simple question: is there any example/tutorial Hugo> off gpu passthrough to a Linux guest?

YES ... It's not as simple as it needs to be yet (we're still working on things) but the example in https://github.com/au-ts/libvmm/tree/main/examples/framebuffer might get you going.

-- Dr Peter Chubb https://trustworthy.systems/ Trustworthy Systems Group CSE, UNSW Core hours: Mon 8am-3pm; Wed: 8am-5pm; Fri 8am-12pm.

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Peter Chubb

6:47 p.m.

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"Hugo" == Hugo V C writes:

Hugo> Thank you Peter, I'll give it a Hugo> try... Anyway, is there any "out-of-the-box" example of a Linux Hugo> Guest with gpu passthrough enabled? There's going to be within a couple of weeks, assuming nothing gets in my way. It'll run on QEMU so anyone can give it a go without specific hardware. -- Dr Peter Chubb https://trustworthy.systems/ Trustworthy Systems Group CSE, UNSW Core hours: Mon 8am-3pm; Wed: 8am-5pm; Fri 8am-12pm.

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Demi Marie Obenour

12 Apr 12 Apr

2:04 a.m.

On 4/10/24 04:32, Hugo V.C. wrote:

Thank you Peter, I'll give it a try... Anyway, is there any "out-of-the-box" example of a Linux Guest with gpu passthrough enabled? I mean, it would be nice to have a real example demo ready to use so engineers/companies around the Globe can try it. I'm getting mad trying to run a Firefox in a Linux Guest (see attached screenshot) and was jut able to start it on a headless Linux guest server with no GPU (remote X window) but performance is horrible (not usable) so I can not even do a demo. This is a show stopper for seL4. It is nice to have all the stuff to build thing "from scratch", but the market needs "ready to use" stuff so people can try it. Is there anything usable out there (just to try)?🙏

What is your goal here? Is the Linux guest trusted or untrusted? If it is trusted, what untrusted code is running on the system? What hardware are you running on? -- Sincerely, Demi Marie Obenour (she/her/hers)

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Hugo V.C.

7:52 a.m.

Hi Demi! my goal is to bring seL4 to the average user via running a browser Firefox?? on top of seL4 so compromising the browser makes "impossible" to cross the seL4 virtualization barrier (let's ignore emulation layers exposure surface). From here possibilities are endless: running virtualized browser on top of seL4 on top of an insecure OS (Windows/Linux/Mac.. ), running multiple VMs (similar to QubesOS), etc. Every scenario is different. The Linux guest, is, as far I understand ciber security, untrusted (Linux kernel is untrusted). Everything on top (i.e. Firefox) untrusted. The hardware will depend. Right now is x86_64 but I'm emulating aarch64 via qemu to speed up dev things as for me x86_64 seL4 support is still too complex (I"m alone on seL4 dev stuff so I always look the easiest path for demo purposes). Anyway, the hardware is not something I care, things are evolving so fast...( https://docs.qualcomm.com/bundle/publicresource/topics/80-62010-1/Getting-st...) ideas are more important and I bet on experimenting with seL4 to virtualize anything anywhere. The only thing I care here in this kind of virtualization is all the "glue" software to get hardware access on the host (now I use qemu but who knows, maybe at some point someone can remove qemu and run seL4 natively virtualized on Windows/Linux/Mac). We put a man on the Moon... Not sure how this experiment will end up, what I'm sure is I want to use seL4 everywhere, and Windows looks to me like the perfect Circus for my little Frankenstein... :-) El jue., 11 abr. 2024 18:06, Demi Marie Obenour escribió:

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Thank you Peter, I'll give it a try... Anyway, is there any "out-of-the-box" example of a Linux Guest with gpu passthrough enabled? I mean, it would be nice to have a real example demo ready to use so engineers/companies around the Globe can try it. I'm getting mad trying to run a Firefox in a Linux Guest (see attached screenshot) and was jut able to start it on a headless Linux guest server with no GPU (remote X window) but performance is horrible (not usable) so I can not even do a demo. This is a show stopper for seL4. It is nice to have all the stuff to build

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"from scratch", but the market needs "ready to use" stuff so people can

On 4/10/24 04:32, Hugo V.C. wrote: thing try

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it. Is there anything usable out there (just to try)?🙏

What is your goal here? Is the Linux guest trusted or untrusted? If it is trusted, what untrusted code is running on the system? What hardware are you running on? -- Sincerely, Demi Marie Obenour (she/her/hers)

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skydivebcn＠gmail.com

15 Aug 15 Aug

7:42 p.m.

Hi Peter, this link you provided for Framebuffer example: https://github.com/au-ts/libvmm/tree/main/examples/framebuffer is no more valid (I get 404). Is it anywhere else? Moved? On the other side, about GPU passthrougth example for QEMU "There's going to be within a couple of weeks, assuming nothing gets in my way. It'll run on QEMU so anyone can give it a go without specific hardware." does it finally got online? If so, where? Best,

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Demi Marie Obenour
Hugo V.C.
Peter Chubb
skydivebcn＠gmail.com