I found the On Mon, Apr 18, 2016 at 5:57 PM, Bronek Kozicki <b...@spamcop.net> wrote:
> 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 (undefined the > default one) and none started. Just my, manually crafted bridge, explicitly > used in VM definitions. > > > B. > > *From: *Garland Key > *Sent: *Monday, 18 April 2016 22:21 > *To: *Nicolas Roy-Renaud; vfio-users > *Subject: *Re: [vfio-users] [FEEDBACK NEEDED] Rewriting the Arch wiki > article > > I'm an intermediate Linux user, so this this stuff can be complicated to > me sometimes. Right now I'm having trouble setting up a network bridge > that virt-manager will recognize. I've arrived at the conclusion that this > simply isn't possible on Arch. That said, I can't find any documentation > on how to convince qemu to use an existing network bridge. If you're > willing, please add this information as well. If you already know how, any > pointers would be greatly appreciated. > > Best, > Garland > > On Mon, Apr 18, 2016 at 5:14 PM, Garland Key <david.garland....@gmail.com> > wrote: > >> Please add what to do if you have two identical GPUs. Here is exactly >> what is needed to make it work. >> >> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >> - - - >> >> */etc/modprobe.d/vfio.conf* >> >> install vfio-pci /sbin/vfio-pci-override-vga.sh >> options vfio-pci disable_vga=1 allow_unsafe_interrupts=1 >> >> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >> - - - >> >> */sbin/vfio-pci-override-vga.sh* >> >> #!/bin/sh >> >> for i in $(find /sys/devices/pci* -name boot_vga); do >> if [ $(cat $i) -eq 0 ]; then >> GPU=$(dirname $i) >> AUDIO=$(echo $GPU | sed -e "s/0$/1/") >> echo "vfio-pci" > $GPU/driver_override >> if [ -d $AUDIO ]; then >> echo "vfio-pci" > $AUDIO/driver_override >> fi >> fi >> done >> >> modprobe -i vfio-pci >> >> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >> - - - >> >> Add the following to */etc/mkinitcpio.conf* and then run *mkinitcpio -p >> linux* >> >> BINARIES="/usr/bin/find /usr/bin/dirname" >> FILES="/sbin/vfio-pci-override-vga.sh" >> >> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - >> - - - >> >> *Tested Hardware:* >> >> Motherboard: Asus Sabertooth X99 >> <https://www.asus.com/us/Motherboards/SABERTOOTH_X99/> >> CPU: Intel Core i7-5930K >> <http://ark.intel.com/products/82931/Intel-Core-i7-5930K-Processor-15M-Cache-up-to-3_70-GHz> >> GPU 1: GIGABYTE GeForce GTX 970 4GB G1 Gaming OC Edition >> <http://www.newegg.com/Product/Product.aspx?Item=N82E16814125684> >> GPU 2: GIGABYTE GeForce GTX 970 4GB G1 Gaming OC Edition >> <http://www.newegg.com/Product/Product.aspx?Item=N82E16814125684> >> RAM: 32GB Corsair Dominator Platinum DDR4 (CMD16GX4M2A2666C15) >> <http://www.newegg.com/Product/Product.aspx?Item=N82E16820233709> >> >> >> On Tue, Apr 12, 2016 at 3:36 PM, Nicolas Roy-Renaud < >> nicolas.roy-renau...@ens.etsmtl.ca> wrote: >> >>> I'm currently planning a full rewrite of the article on Arch wiki about >>> PCI passthroughs >>> <https://wiki.archlinux.org/index.php/PCI_passthrough_via_OVMF> and, as >>> per Arch wiki guidelines, I'm supposed get the approval of other users >>> before undergoing such comlex edits. If anyone on this mailing list is an >>> Arch wiki collaborator or frequent user, I would appreciate if you could >>> give >>> me some feedback on the planned structure >>> <https://wiki.archlinux.org/index.php/Talk:PCI_passthrough_via_OVMF#Page_rewrite> >>> and propose additional sections or potential user mistakes to highlight. My >>> primary objective here is to make most of what's on Alex Williamson's blog >>> more straightforward and concise. >>> >>> 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 appreciated. >>> >>> -Nicolas >>> >>> _______________________________________________ >>> vfio-users mailing list >>> vfio-users@redhat.com >>> https://www.redhat.com/mailman/listinfo/vfio-users >>> >>> >> > >
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