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Same here with an older Samsung 950 Pro. No negative impact detected, other than an increasing counter.

This bugreport is pretty scary for 5.4. So far, I haven't seen instability but I'll monitor for issues.

This patch works on the Debian iommu driver, it can be created on any debian-based system (although with a different tutorial).

Looks nice indeed! Reduced latency is always nice. Unfortunately, AVIC is only available on AMD Zen processors.

Thanks for the great support Thomas, editing the kernel commandline worked indeed. :) My Linux fu is not that strong, my major was business economics. 5.4 (Focal Fossa) was installed after cloning the master pve-kernel.git and compiling a patch to remove RMRR check (see pve-kernel appendix...

Hi there, I've used Proxmox for years on an old HP DL380 G6 which needs a patch to disable IOMMU RMRR checking and allow unsafe interrupts in order to passthrough GPU's to VM's. This combination has worked all that time with some rewrites of my patch whenever another kernel is used in Proxmox...

There's an error being thrown somewhere farther up. Can you pastebin the entire session so I can take a look? Usually it's an unmet dependency because the new kernel (focal) has other requirements than the previous version. Also, I'm having errors about having to enable unsafe interrupts. Even...

Apologies for the absence, work/life etc intervened. Spaces are not allowed indeed. :)

Hi there, If an HP goes to 100% fan speed, it usually indicates a hardware or firmware issue. A quick search returns this thread with more information: https://forums.unraid.net/topic/42936-dmarfault-reason-06-pte-read-access-is-not-se/ https://bugzilla.redhat.com/show_bug.cgi?id=1339567...

Ah yes, dependencies.. :) Happy you found it.

Yeah, it's a new feature indeed in Eoan: https://www.linuxuprising.com/2019/10/whats-new-in-ubuntu-1910-eoan-ermine.html http://smackerelofopinion.blogspot.com/2019/09/boot-speed-improvements-for-ubuntu-1910.html Thanks for the assistance, compile seems to run smoothly now!

Well, that went a bit faster than I feared luckily. Same result however, see the log for details: https://drive.google.com/file/d/1fZAQ4fWCxtTracaRGcc3l5KHebRsoL7b/view?usp=sharing Only error I noticed other than the one I posted already: /bin/sh: 1: lz4c: not found make[4]: ***...

Thanks for the quick reply, I will follow-up with a reply in an hour or so.

Hi there, I'm trying to update my tutorial for removing the RMRR check to Eoan because Intel changed their intel-iommu driver, which means I need to make a new patch. (https://forum.proxmox.com/threads/tutorial-compile-proxmox-ve-with-patched-intel-iommu-driver-to-remove-rmrr-check.36374/)...

Any luck so far? My system is patched and on 6.0 at the moment using the attached patch. What kind of errors do you get?

Happy it worked for you!

This is a good one: https://techblog.jeppson.org/2018/03/windows-vm-gtx-1070-gpu-passthrough-proxmox-5/

Conrep does not work for G6 and G7 hardware, otherwise I would not have written this tutorial. ;) The link you sent has nothing to do with this tutorial since Proxmox is not on Xenial.

This tutorial is only for the G6 and G7 variant (possibly the G5 too), the G8 and later has other options to deal with RMRR like the one you listed. :) Where did I list xenial? I did not see any mention of it.

No it is not, just follow the tutorial for RMRR check removal and whatever tutorial you are using for passthrough. :)