Re: [libvirt-users] PCI passthrough and abstraction

2019-04-25 Thread Laine Stump
On 4/25/19 10:14 AM, Mauricio Tavares wrote: So I am reading through , and am wondering what is the difference between and if I am trying to give full access to a NIC? Which one exposes more of the card? I also answered this on IRC, but just in case someone is looking through the email

Re: [libvirt-users] PCI passthrough and abstraction

2019-04-25 Thread Mauricio Tavares
So I am reading through , and am wondering what is the difference between and if I am trying to give full access to a NIC? Which one exposes more of the card? On Wed, Apr 24, 2019 at 1:13 PM Mauricio Tavares wrote: > > When you pass a device in the pci chain (after virsh > nodedev-dettach

Re: [libvirt-users] PCI passthrough fails in virsh: iommu group is not viable

2015-09-25 Thread Laine Stump
On 09/24/2015 03:26 PM, Alex Holst wrote: Quoting Laine Stump (la...@laine.org): On 08/12/2015 02:34 PM, Alex Holst wrote: I would really appreciate some pointers on what I am doing wrong here. I have a need to run multiple virtual guests which have each their own GPU and some USB controllers

Re: [libvirt-users] PCI passthrough fails in virsh: iommu group is not viable

2015-09-24 Thread Alex Holst
Quoting Laine Stump (la...@laine.org): > On 08/12/2015 02:34 PM, Alex Holst wrote: > > I would really appreciate some pointers on what I am doing wrong here. > > > > I have a need to run multiple virtual guests which have each their own GPU > > and > > some USB controllers passed-through. I am abl

Re: [libvirt-users] PCI passthrough fails in virsh: iommu group is not viable

2015-08-12 Thread Laine Stump
On 08/12/2015 02:34 PM, Alex Holst wrote: > I would really appreciate some pointers on what I am doing wrong here. > > I have a need to run multiple virtual guests which have each their own GPU and > some USB controllers passed-through. I am able to run one of the guests like > this (assuming vfio

Re: [libvirt-users] PCI Passthrough of 2 identical devices

2014-03-13 Thread junkmail
and voila the guest started with the 2 cards successfully inside, even mythtv works ... for now. i hope to find a way to somehow rearrange the irqs as i sometimes need USB on the machine :D wbr,tja... - Ursprüngliche Mail - Von: "Laine Stump" An: libvirt-users@redhat.com CC

Re: [libvirt-users] PCI Passthrough of 2 identical devices

2014-03-12 Thread Thomas Jagoditsch
rearrange the irqs as i sometimes need USB on the machine :D wbr,tja... - Ursprüngliche Mail - Von: "Laine Stump" An: libvirt-users@redhat.com CC: "Thomas Jagoditsch" Gesendet: Mittwoch, 12. März 2014 16:13:15 Betreff: Re: [libvirt-users] PCI Passthrough of 2 ident

Re: [libvirt-users] PCI Passthrough of 2 identical devices

2014-03-12 Thread Laine Stump
On 03/12/2014 06:29 AM, Thomas Jagoditsch wrote: > hi, > > i have a small trouble with pci-passthrough. > > i have a working configuration passing a tv card into the guest, all is fine > and dandy. > as soon as i add my second identical card into the host i cant start the > guest anymore, whether

Re: [libvirt-users] PCI Passthrough

2014-01-23 Thread The PowerTool
hanks, again! Date: Thu, 23 Jan 2014 11:37:02 +0200 From: la...@laine.org To: thepowertool...@hotmail.com Subject: Re: [libvirt-users] PCI Passthrough On 01/21/2014 05:32 PM, The PowerTool wrote: Laine, Thank you very much for yo

Re: [libvirt-users] PCI Passthrough

2014-01-21 Thread Laine Stump
On 01/19/2014 04:13 AM, The PowerTool wrote: > I'm trying to pass-through my VGA card to a guest session. > > I found: > http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM - > which is very frustrating because there's no date on the > documentation. I suspect it's old. It does

Re: [libvirt-users] PCI-Passthrough suddenly stopped working

2012-07-12 Thread Rouven Sacha
Am 12.07.2012 00:38, schrieb Eric Blake: This may be the result of a security fix in the new kernel. I know at least one older version of Intel chips has a bug where IOMMU can be exploited by a guest to take control over the host, so on those chips, newer kernels now require to explicitly enabl

Re: [libvirt-users] PCI-Passthrough suddenly stopped working

2012-07-11 Thread Eric Blake
On 07/11/2012 04:24 PM, Rouven Sacha wrote: > Hi everybody! > > On a Centos 5.8 with libvirt qemu-0.10.5-1.el5.2, libvirt-0.8.2-22.el5 > and 2.6.18-308.11.1.el5 I have a Windows machine that used to have > pci-passthrough for a device enabled and working. > > After an update (kernel, libvirt afai

Re: [libvirt-users] PCI passthrough error

2012-04-10 Thread Jaap Winius
Quoting Jaap Winius : ... Anyway I guess now it's USB passthrough or bust. Or get a board with an IOMMU. In case anyone is ever interested, I did eventually manage to solve this problem with a wrapper script, although not exactly the way David Wragg explains in his blog. With Debian sque

Re: [libvirt-users] PCI passthrough error

2012-03-29 Thread Jaap Winius
Quoting Jaap Winius : error: internal error Process exited while reading console \ log output: char device redirected to /dev/pts/1 assigned_dev_pci_read: pread failed, ret = 0 errno = 2 It turns out this is a KVM bug related to the Linux 2.6.32-5-amd64 kernel I was using with D

Re: [libvirt-users] PCI passthrough error

2012-03-29 Thread Wen Congyang
At 03/30/2012 05:41 AM, Jaap Winius Wrote: > Hi folks, > > Has anyone encountered the following PCI passthrough error? > > error: internal error Process exited while reading console \ > log output: char device redirected to /dev/pts/1 > assigned_dev_pci_read: pread failed, ret = 0 er