Re: [vfio-users] vfio fails Guest FreeBSD9.3 host Fedora 23

On 27/05/2016 19:29, Alex Williamson wrote: I am using 1G huge pages and as i have 2 numa node configuration, i am ensuring that VM memory is pinned to numazone 1( coz my bus is in numazone but your VM is configured for 2MB-sized hugepages. B. ___

Re: [vfio-users] vfio PCI passthrough NVIDIA K420 GPU problems

On 24/02/2016 20:26, Bronek Kozicki wrote: On 24/02/2016 15:41, Daniel Pocock wrote: Hi, I'm trying to use PCI passthrough to give an NVIDIA GPU to a VM with qemu / KVM. I've summarized my environment below and the error I get is near the bottom. Any help would be appreciated

Re: [vfio-users] vfio PCI passthrough NVIDIA K420 GPU problems

On 24/02/2016 15:41, Daniel Pocock wrote: Hi, I'm trying to use PCI passthrough to give an NVIDIA GPU to a VM with qemu / KVM. I've summarized my environment below and the error I get is near the bottom. Any help would be appreciated. There are a few guides I've been referring to already:

[vfio-users] help with choice of GPU for passthrough

I'm upgrading my home machine, it is running two Windows 7 VMs and they need identical hardware configuration. The host is 2x Xeon E5-2667V2 + 128GB RAM - obviously oversized for only two Windows ;-P . I'm considering choice between Radeon Fury Nano and more expensive nVidia. I know that

Re: [vfio-users] [FEEDBACK NEEDED] Rewriting the Arch wiki article

On 12/04/2016 20:36, Nicolas Roy-Renaud wrote: I've already rewritten the first two sections ("Prerequisites" and "Setting up IOMMU"), and the rest of the article should essentially follow the same basic structure and style. Replies here or on the wiki's discussion page would be much

Re: [vfio-users] Recommendation for LGA2011 board

On 23/05/2016 19:20, Brian Yglesias wrote: I have another thread whereby I try and fail to get vfio/VT-d working on two separate lga1366 boards. (Asus Rampage II Gene and GA-EX58-UD5; both due to broken BIOS). I was considering a rampage III, also 1366/X58, which is reported to work, or

Re: [vfio-users] Sound Options for Guest

On 02/05/2016 18:52, Brett Peckinpaugh wrote: I was wondering what are some options for audio? Currently using the monitor, but want to use my speakers for better quality. The options I can think of are a PCIE soundcard or USB sound device. Are there any better options? Would a USB which

Re: [vfio-users] [FEEDBACK NEEDED] Rewriting the Arch wiki article

For me setting up networking with an existing bridge "just works", I wrote few days ago on this lis how I've set it up on my machine. Hint: I do not use virsh "networks" capabilities at all - none defined

Re: [vfio-users] Arch, Virt-manager and Network Manager [help needed]

On 16/04/2016 14:00, Garland Key wrote: Thanks. Does this have to be listed in a particular part of the virsh XML? On Sat, Apr 16, 2016 at 8:34 AM, Philip Abernethy > wrote: I've done the same. Bridge created with NM and used by the VM.

Re: [vfio-users] Arch, Virt-manager and Network Manager [help needed]

On 16/04/2016 13:34, Philip Abernethy wrote: I've done the same. Bridge created with NM and used by the VM. You should be able to just select the bridge device. That's the resulting XML for me: default 278badf4-d33e-493e-b604-083b3dcc2804 Here is xml of my VM, using "br0" bridge

Re: [vfio-users] Host hard lockups

On 05/08/2016 22:11, vfio wrote: Hello everyone, I've been running VGA passthrough with a Debian unstable host and a Windows 10 guest for months now. Everything works perfectly, except that the entire machine randomly freezes when the guest is running. When a freeze happens, the guest

Re: [vfio-users] Host hard lockups

On 05/08/2016 22:26, Bronek Kozicki wrote: I had something similar too, it was happening few times per month. And then it stopped, but I do not remember what changed back then :( Could be hardware change since I switched around that time from AMD to nVidia Quadro, or could be software change

Re: [vfio-users] Stuttering audio when passing through USB controller

On 03/02/2017 19:53, Tmplt wrote: I saw on an older thread here that passing a USB controller through and using a USB soundcard through it solved that users audio issues. I tried that myself by adding to the .xml-file, but I can still hear frequent audio

Re: [vfio-users] I need your help!

with vfio. B. -- Bronek Kozicki b...@spamcop.net On Thu, 23 Feb 2017, at 11:22 AM, Paige Thompson wrote: > I have been running this setup since October and I have tried since > this time to fix the same issues without any success either in terms > of isolating th

Re: [vfio-users] Win10 Guest, stability is horrible and freeze quickly

Perhaps you have something eating into RAM of the host. I had my host freezing when I forgot to limit memory utilization in the ZFS. It does not matter what eats into your host RAM - since qemu is just a regular

Re: [vfio-users] AMD and NVIDIA cards for QEMU PCI passthrough

Actually with OVMF (rather than legacy BIOS and VGA) this should "just" work, assuming the card reset is working properly . It is not for most AMD cards, but for nVidia it should. The small complication here is

Re: [vfio-users] vga passthrough on server boards

On 12/10/2016 13:41, Jiri 'Ghormoon' Novak wrote: Hi, I'm considering rebuilding my setup from server components (mainly due to ECC ram), but I can't find much information on vga passtrough on server boards (supermicro, hp ...) to check if there are not issues eg. with stupid IRQ mapping like

Re: [vfio-users] vga passthrough on server boards

On 12/10/2016 18:04, Alex Williamson wrote: > On Wed, Oct 12, 2016 at 10:51 AM, Ethan Thomas > wrote: > > I've been using a SuperMicro X8DTH-iF for quite some time with no > problems. However it's worth noting that with some generations of >

Re: [vfio-users] setting up virtual disks

block device. I also have plenty of spare CPUs (2 sockets, 16 cores, 32 threads), so I'm expecting that having 4 queues will aid IO performance. B. -- Bronek Kozicki b...@spamcop.net On Tue, 28 Mar 2017, at 01:21 PM, Patrick O'Callaghan wrote: > On Tue, 2017-03-28 at 11:47 +0200, Las

Re: [vfio-users] Speed tips requested

Assuming you use libvirt, make sure to use vCPU pinning. For disk access, try cache='writeback' io='threads'. If you switch to scsio-vfio, this will give you the ability to define queue length which might additionally improve IO. Also, try QCOW2 format for guest disk, it might enable some

Re: [vfio-users] Speed tips requested

On 26/03/2017 15:31, Alex Williamson wrote: On Sun, Mar 26, 2017 at 4:33 AM, Patrick O'Callaghan <p...@usb.ve <mailto:p...@usb.ve>> wrote: On Sun, 2017-03-26 at 10:58 +0100, Bronek Kozicki wrote: > Assuming you use libvirt, make sure to use vCPU pinning. For disk acc

Re: [vfio-users] Switch setup for a 1440p@96Hz DVI monitor

231DVIUAHR ( https://www.startech.com/uk/Server-Management/KVM-Switches/2-Port-High-Resolution-USB-DVI-Dual-Link-KVM-Switch-with-Audio~SV231DVIUAHR , my display resolution is 2560x1600 ). It is expensive, I think displayport one would have been cheaper. But it works. B. -- Bronek Kozicki

Re: [vfio-users] Using a physical disk in QEMU

Note: only SAS drives should be used with expanders. SATA drivers are unlikely to work well with expanders. For those, this card counts as "8 drives only". Which is IMO still good. -- Bronek Kozicki b...@spamcop.net On Sun, 22 Oct 2017, at 01:18 AM, taii...@gmx.com wrote: > A

Re: [vfio-users] Spectre, meltdown what's the performance implication for vga-passthrough gaming setups?

On Sun, 7 Jan 2018, at 12:00 PM, Patrick O'Callaghan wrote: > On Sun, 2018-01-07 at 11:28 +, Ivan Volosyuk wrote: > > From what I heard virtualization setups suffer the most from the > > vulnerabilities. After virtualized windows is patched as well as host linux > > what is the expected

Re: [vfio-users] NVidia code 43 with Winddows 10 guest - does NVidia have another trick up their sleeve?

Perhaps disabling ROM and adding spice as "boot" video card will help. That's how I use my Quadro M5000 , apparently the only supported way of doing it. Turns out spice is useful for other purposes, even if its Windows display output is disabled. B. Please excuse brevity, typing on a phone.

Re: [vfio-users] Installing Catalyst prevents VM from booting.

> you have better luck getting the windows remote kernel debugging to work > than I have.) > > From: vfio-users-boun...@redhat.com on > behalf of Brett Foster > Sent: Wednesday, December 26, 2018 11:24:48 AM > To: Bronek Kozicki > C

Re: [vfio-users] Installing Catalyst prevents VM from booting.

Huh. Good point. Admittedly you might want to reuse very similar VM for both Windows and Linux. -- Bronek Kozicki b...@spamcop.net On Thu, 27 Dec 2018, at 8:25 PM, Brett Foster wrote: > Wait, we're talking about Linux +ati drivers? Alright, then I have no > idea... but if it's w

Re: [vfio-users] (good) working GPU for passthrough?

e type with proper PCIe root complex hierarchy". Selection of the chipset type Q35 in the virt-manager upon creation does not seem to work with UEFI type of firmware (as recommended for vfio passthroug). Or perhaps I should have downloaded a more recent Tianocore UEFI firmware for

Re: [vfio-users] (good) working GPU for passthrough?

On Fri, 18 Jan 2019, at 1:39 PM, Bronek Kozicki wrote: > On Thu, 17 Jan 2019, at 10:39 PM, Kash Pande wrote: > > On 2019-01-17 2:03 p.m., Tobias Geiger wrote: > > > I tried a VEGA 64 - i was able to live with the ACS patch needed here > > > (Z170 Chipset... not

Re: [vfio-users] (good) working GPU for passthrough?

On Tue, 22 Jan 2019, at 10:51 PM, Laszlo Ersek wrote: > On 01/18/19 21:28, Kash Pande wrote: > > On 2019-01-18 12:20 p.m., Bronek Kozicki wrote: > >> This is starting to make sense, going to try passthrough with q35 and > >> UEFI now. > > > > > > Go

Re: [vfio-users] Installing Catalyst prevents VM from booting.

y using Ubuntu Bionic with vfio GPU passthrough but I have given up on AMD cards years ago and am using nVidia Quadro now, which does not have problems with 440FX. B. -- Bronek Kozicki b...@spamcop.net ___ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users

Re: [vfio-users] USB ASIO DAC buffer underruns on Windows guest

Have you tried DPC latency checker from https://www.thesycon.de/eng/latency_check.shtml ? It might be some "rogue" driver causing issues, on my computer I had to tweak nVidia a little bit to stop polling power all the time. Perhaps AMD is doing something similar? B. -- Bronek K

Re: [vfio-users] Installing Catalyst prevents VM from booting.

of this. I find the > configuration really confusing. I still cant really tell how the > topology works. Hope Alex will shed some light on it when he's back from the holiday break. -- Bronek Kozicki b...@spamcop.net ___ vfio-users mailing list vfio-u

Re: [vfio-users] (good) working GPU for passthrough?

On Wed, 13 Feb 2019, at 8:32 PM, Bronek Kozicki wrote: > On Wed, 13 Feb 2019, at 8:29 PM, Kyle Marek wrote: . . . > > > > Successfully resets on EFI VM start with the EFI BIOS update applied. > > > > Niiice, where did you get it from? > nvm, just spotted your e

Re: [vfio-users] (good) working GPU for passthrough?

On Wed, 13 Feb 2019, at 8:29 PM, Kyle Marek wrote: > On 2/12/19 9:55 PM, Kyle Marek wrote: > > On 2/11/19 9:18 PM, Alex Williamson wrote: > >> On Mon, 11 Feb 2019 20:39:07 -0500 > >> Kyle Marek wrote: > >> > >>> On 2/10/19 8:59 PM, Kash Pande wrote: > On 2019-02-10 5:25 p.m., Kyle Marek

[vfio-users] anyone else experiencing problems with Xubuntu + lock screen under nvidia card?

, then after installing nvidia drivers you will not be able to lock the screen. The workaround is to install xfwm4 version 4.13 from Mint repository. B. -- Bronek Kozicki b...@spamcop.net ___ vfio-users mailing list vfio-users@redhat.com https

Re: [vfio-users] Question about integrated GPU passthrough and initialization

cards which I am passing through, I do not have a Rom. I use "" element in the device definition, and it just works, with an obvious limitation that guest doesn't show any image onscreen until the system is fully started. Perhaps it also helps that all my virtual machines are UEFI, not

Re: [vfio-users] Proper way for systemd service to wait mdev gvt device initialization

On Sun, 19 May 2019, at 7:45 PM, Alex Ivanov wrote: > Hello. > What is the proper way to do that? I have a unit that creates gvt > device in the system > > ExecStart = "sh -c 'echo a297db4a-f4c2-11e6-90f6-d3b88d6c9525 > >

Re: [vfio-users] vga passthrough works but no grub screen for linux guest

ething to do with ROM, but I was not successful trying to investigate further. To compensate for this all my virtual machines have serial console, so I can do "virsh console" B. -- Bronek Kozicki b...@spamcop.net ___ vfio-users mailing list v

Re: [vfio-users] vfio not working with vanilla kernel 5.4.22

On Mon, 24 Feb 2020, at 5:23 PM, Alex Williamson wrote: > On Mon, 24 Feb 2020 10:40:39 + > "Bronek Kozicki" wrote: > > > Heads up to anyone running the latest vanilla kernels - after upgrade > > from 5.4.21 to 5.4.22 one of my VMs lost access to

Re: [vfio-users] vfio not working with vanilla kernel 5.4.22

On Mon, 24 Feb 2020, at 6:58 PM, Bronek Kozicki wrote: > On Mon, 24 Feb 2020, at 5:23 PM, Alex Williamson wrote: > > On Mon, 24 Feb 2020 10:40:39 +0000 > > "Bronek Kozicki" wrote: > > > > > Heads up to anyone running the latest vanilla kernels - after

[vfio-users] vfio not working with vanilla kernel 5.4.22

] Shutting down cpus with NMI [ 874.888189] Kernel Offset: 0x0 from 0x8100 (relocation range: 0x8000-0xbfff) [ 875.074319] Rebooting in 30 seconds.. B. -- Bronek Kozicki b...@incorrekt.com ___ vfio-users mai

[vfio-users] vfio not working with vanilla kernel 5.4.22

] Shutting down cpus with NMI [ 874.888189] Kernel Offset: 0x0 from 0x8100 (relocation range: 0x8000-0xbfff) [ 875.074319] Rebooting in 30 seconds.. B. -- Bronek Kozicki b...@spamcop.net ___ vfio-users mai

Re: [vfio-users] vfio not working with vanilla kernel 5.4.22

On Thu, 27 Feb 2020, at 11:35 AM, Bronek Kozicki wrote: > On Mon, 24 Feb 2020, at 6:58 PM, Bronek Kozicki wrote: > > On Mon, 24 Feb 2020, at 5:23 PM, Alex Williamson wrote: > > > On Mon, 24 Feb 2020 10:40:39 +0000 > > > "Bronek Kozicki" wrote: > > >

Re: [vfio-users] new video card. vm wont boot

a window on the linux side. > >>> > >>> Something has got to give. > >>> > >>> _______ > >>> vfio-users mailing list > >>> vfio-users@redhat.com > >>> https://www.redhat.com/mailman/listinfo/vfio-users > >>> > >> > >> ___ > >> vfio-users mailing list > >> vfio-users@redhat.com > >> https://www.redhat.com/mailman/listinfo/vfio-users > > > > ___ > > vfio-users mailing list > > vfio-users@redhat.com > > https://www.redhat.com/mailman/listinfo/vfio-users > > ___ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > -- Bronek Kozicki b...@incorrekt.com ___ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users

Re: [vfio-users] new video card. vm wont boot

the newer card. > >>>>>>> Not compatible. > >>>>>>> On 5/28/20 11:58 AM, Roger Lawhorn wrote: > >>>>>>> > >>>>>>>> I upgraded from a radeon duo pro 8gb hbm to a radeon rx 5500. > >>>>>>>> Neither the win10 vm nor the win7 vm will boot with this card > >>>>>>>> installed. > >>>>>>>> The card is owned by vfio-pci on boot. > >>>>>>>> The script didnt need any changes as it shows up at the same > >>>>>>>> hardware address as the last card. > >>>>>>>> Very frustrated. > >>>>>>>> This card is so new it is listed as not supported till kernel 5.4. > >>>>>>>> I am on kernel 5.3 and cannot get 5.4 to work. > >>>>>>>> But that is for just trying to get linux to use it. > >>>>>>>> Windows should just boot in vga mode and then look for a windows > >>>>>>>> update. > >>>>>>>> I did try removing -vga none to force qemu to emulate a vga driver > >>>>>>>> long enough to boot. > >>>>>>>> No dice. qemu wont pull up the normal vga window on the linux > >>>>>>>> side. > >>>>>>>> Something has got to give. > >>>>>>>> kind regards, Arjen > >> > > > > ___ > > vfio-users mailing list > > vfio-users@redhat.com > > https://www.redhat.com/mailman/listinfo/vfio-users > > ___ > vfio-users mailing list > vfio-users@redhat.com > https://www.redhat.com/mailman/listinfo/vfio-users > -- Bronek Kozicki b...@incorrekt.com ___ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users

[vfio-users] Stuttering in VM and "ignored rdmsr: 0x122" on new kernels?

I recently tried upgrading from vanilla LTS kernel 5.4 to vanilla 5.8 and found that my virtual machines "stutter" when they did not previously. The hypervisor is configured with tickless kernel (NO_HZ_FULL) and physical cores are exclusively reserved for vcpus by means of isolcpus , nohz_full

Re: [vfio-users] Stuttering in VM and "ignored rdmsr: 0x122" on new kernels?

is elsewhere. Anyways, switching this option seem to have fixed the problem! B. On Sat, 31 Oct 2020, at 6:32 PM, sL1pKn07 SpinFlo wrote: > El vie., 30 oct. 2020 a las 23:56, Bronek Kozicki > () escribió: > > > > I recently tried upgrading from vanilla LTS kernel 5.4 to vanilla

[vfio-users] NVIDIA has enabled GPU passthrough beta support for a Windows virtual machine on GeForce GPUs

Some good news, straight from the source: https://nvidia.custhelp.com/app/answers/detail/a_id/5173/~/geforce-gpu-passthrough-for-windows-virtual-machine-%28beta%29 Now, if only I was able to buy a GeForce card ... -- Bronek Kozicki b...@incorrekt.com

Re: [vfio-users] NVIDIA has enabled GPU passthrough beta support for a Windows virtual machine on GeForce GPUs

On Wed, 31 Mar 2021, at 12:51 PM, Patrick O'Callaghan wrote: > On Wed, 2021-03-31 at 10:38 +0100, Bronek Kozicki wrote: > > Some good news, straight from the source: > > > > https://nvidia.custhelp.com/app/answers/detail/a_id/5173/~/geforce-gpu-passthrough-for-windows-virtu

[vfio-users] NVIDIA error: Failed to initialize DMA. Failed to allocate push buffer

hints? B. -- Bronek Kozicki b...@incorrekt.com ___ vfio-users mailing list vfio-users@redhat.com https://listman.redhat.com/mailman/listinfo/vfio-users

Re: [vfio-users] NVIDIA error: Failed to initialize DMA. Failed to allocate push buffer

00-2001203 : vfio-pci 2001204-2001204 : :81:00.2 2001204-2001204 : vfio-pci Thanks and Happy New Year to you! B. On Thu, 30 Dec 2021, at 11:04 AM, Arjen wrote: > On Thursday, December 30th, 2021 at 11:48, Bronek Kozicki > wrote: > >> I thin

Re: [vfio-users] NVIDIA error: Failed to initialize DMA. Failed to allocate push buffer

d_ioctl+0x37/0x50 [nvidia] [ 1236.215516] ? __x64_sys_ioctl+0x83/0xb0 [ 1236.215972] ? do_syscall_64+0x33/0x80 [ 1236.216405] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 On Wed, 29 Dec 2021, at 11:16 PM, Bronek Kozicki wrote: > Hi > > Hoping someone solved this one before. > > My host

Re: [vfio-users] NVIDIA error: Failed to initialize DMA. Failed to allocate push buffer

00-0x2000fff 64bit pref] 2021-12-30T10:09:58.164811+ gauss.lan.incorrekt.net kernel: vfio-pci :81:00.0: BAR 1: can't reserve [mem 0x200-0x2000fff 64bit pref] I will try adjusting host BIOS options. B. On Thu, 30 Dec 2021, at 10:25 AM, Bronek Kozicki wrote: > So

[vfio-users] crackling audio in guest, after upgrade from Ivy Bridge to Epyc Milan

I know, this is such an old topic ... I have today upgraded my hypervisor from intel Ivy-Bridge to AMD Epyc Milan and, after making the necessary adjustments in vfio configuration to make my virtual machines work again, I found that there's immense amount of crackling (like, many times per

Re: [vfio-users] crackling audio in guest, after upgrade from Ivy Bridge to Epyc Milan

On Mon, 7 Mar 2022, at 10:33 PM, Alex Williamson wrote: > On Mon, 07 Mar 2022 22:13:01 + > "Bronek Kozicki" wrote: > >> I know, this is such an old topic ... >> >> I have today upgraded my hypervisor from intel Ivy-Bridge to AMD Epyc >> Milan

Re: [vfio-users] crackling audio in guest, after upgrade from Ivy Bridge to Epyc Milan

On Tue, 8 Mar 2022, at 12:13 PM, Bronek Kozicki wrote: > On Mon, 7 Mar 2022, at 10:33 PM, Alex Williamson wrote: >> On Mon, 07 Mar 2022 22:13:01 + >> "Bronek Kozicki" wrote: >> >>> I know, this is such an old topic ... >>> >>> I have

Re: [vfio-users] crackling audio in guest, after upgrade from Ivy Bridge to Epyc Milan

On Tue, 8 Mar 2022, at 7:35 PM, Bronek Kozicki wrote: > On Tue, 8 Mar 2022, at 12:13 PM, Bronek Kozicki wrote: >> On Mon, 7 Mar 2022, at 10:33 PM, Alex Williamson wrote: . . . >> Hello Alex - thanks a lot for your help! >> >> I had no idea about AVIC. I went through all

Re: [vfio-users] Any advice how to minimize vfio device latency *without* virtual interrupt controller?

eature in EPYC 7003. I guess this means that interrupts must be handled by the host kernel and then routed to VM. Which host core is doing this handling? B. -- Bronek Kozicki b...@incorrekt.com ___ vfio-users mailing list vfio-users@redhat