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

2017-11-07 Thread Dan Ziemba
On Tue, 2017-11-07 at 19:45 +, Bronek Kozicki wrote: > On Tue, 7 Nov 2017, at 06:27 PM, Tmplt wrote: > > My monitor only has a single dual-link DVI input, so instead of > > crawling > > behind the system and fibble with the cables I've been looking for > > a > > switch setup. Thus far, I've bee

Re: [vfio-users] Physical disk passthrough and OVMF

2016-03-26 Thread Dan Ziemba
On Fri, 2016-03-25 at 01:10 +0300, Blank Field wrote: > Hello again, fellow subscribers. > > Since 4.3.X kernels I am experiencing some strange problems with disk > IO. > > I am passing through the whole /dev/sda(since i also dualboot into > that system for some weird software or hardware) to my

Re: [vfio-users] Creative X-Fi XtremeGamer PCI Sound Card Audio Bugs

2016-02-23 Thread Dan Ziemba
On Tue, 2016-02-23 at 11:02 +0100, Sebastien Mercier wrote: > So my sound card now use the vfio-pci driver but when I start the VM, > it makes bips, cliky and white noise sounds randomly. > When I move a space on terminator on the host and the VM is running, > it make white noise. Sounds weird. I

Re: [vfio-users] cpu usage in guest != cpu usage in host, even with exclusive pinning

2016-01-23 Thread Dan Ziemba
On Tue, 2016-01-19 at 16:52 +0100, Friedrich Oslage wrote: > I did some more testing and it turns out to be a kernel error, > introduced somewhere around linux 4.3. > > Short description of the error: 100% cpu usage while using 3d in a vm > with vfio > > My last known good kernel is 4.2.8, which

Re: [vfio-users] vls issue

2015-12-21 Thread Dan Ziemba
On Sat, 2015-12-19 at 17:28 +0100, thibaut noah wrote: > Hello, vlc is currently crashing the sound of my usb headset, only > way to get sound back is to reboot the vm and it doesn't last long, > also vlc tend to freeze sometimes, considering the application is > suppose to be stable can sometimes

Re: [vfio-users] Boot from passed through HBA\SATA Controller

2015-12-21 Thread Dan Ziemba
On Mon, 2015-12-21 at 11:03 -0600, Bradley Davis wrote: > I couldn't get it to work, so I made sure my boot drive was always on > the host systems. I did this with FreeNAS and passed through a M1015 > - it was setup in passthrough mode so the VM which the card was > assigned could see SMART data. >

Re: [vfio-users] 1 GB hugepages cause host crash on guest shutdown with some GPUs

2015-12-18 Thread Dan Ziemba
On Fri, 2015-12-11 at 17:20 +0700, Okky Hendriansyah wrote: > As far as I know, the differences between linux-lts and linux-vfio- > lts package are (I hope Dan can confirm this?): > 1. Intel HD VGA Arbitration patch and PCIe ACS Override patch > 2. config and config.x86_64 files > Probably there’re

Re: [vfio-users] 1 GB hugepages cause host crash on guest shutdown with some GPUs

2015-12-01 Thread Dan Ziemba
On Tue, 2015-12-01 at 15:30 +0700, Okky Hendriansyah wrote: > I just noticed that your platform is a Haswell-E but you’re using a > patched kernel. Do you still need it? Have you tried using the plain > linux-lts kernel?  I haven't tried the plain linux-lts kernel since last I checked it had some

Re: [vfio-users] 1 GB hugepages cause host crash on guest shutdown with some GPUs

2015-12-01 Thread Dan Ziemba
On Tue, 2015-12-01 at 02:48 -0500, Dan Ziemba wrote: > I'm using vfio-pci module, set up with this line in a modprobe.d > file. > In Arch, that gets copied into the initramfs so it applies before the > radeon module loads. > > options vfio-pci disable_vga > ids=1002:67b

Re: [vfio-users] 1 GB hugepages cause host crash on guest shutdown with some GPUs

2015-12-01 Thread Dan Ziemba
On Tue, 2015-12-01 at 02:48 -0500, Dan Ziemba wrote: > Maybe I will try turning off NX > protection... > > [84786.642703] kernel tried to execute NX-protected page - exploit > attempt? (uid: 0) > [84786.642724] BUG: unable to handle kernel paging request at > 88087b32c43

Re: [vfio-users] 1 GB hugepages cause host crash on guest shutdown with some GPUs

2015-11-30 Thread Dan Ziemba
On Mon, 2015-11-30 at 18:37 +0700, Okky Hendriansyah wrote: > Hmm interesting, I found my setup to show weird white flickery things > on the guest desktop when I use 1 GB hugepages. Did you notice these > things on yours? Falling back to 2 MB hugepages bring things back to > normal. Nope, everythi

[vfio-users] 1 GB hugepages cause host crash on guest shutdown with some GPUs

2015-11-29 Thread Dan Ziemba
I recently got myself a "new" (used) gpu to replace the one I was previously using for passthrough with vfio, and I discovered a strange bug during this.  With the new GPU being passed through to the guest, the host will "sort of" crash on guest shutdown.  Video output freezes and all usb devices s