Displaying 4 results from an estimated 4 matches for "allow_unsafe_interrupt".
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allow_unsafe_interrupts
2018 Jul 27
2
Trouble passing PCI device in isolated IOMMU group
...ss, I attempt to start my VM. I get " failed to set iommu for
container: Operation not permitted". As recommended here (
http://vfio.blogspot.com/2014/08/vfiovga-faq.html) I parsed dmesg in an
attempt to find:
-------------------
No interrupt remapping support. Use the module param
"allow_unsafe_interrupts" to enable VFIO IOMMU support on this platform
-------------------
...but nothing similar exists in my logs.
Since this device is showing up in its own IOMMU group, I assume ACS
override won't get me any further. In any case, it is not an option for me
to leave ACS override on. I can tur...
2015 Sep 06
0
Can't get PCI passthrough working
...of instructions and made teh settings below:
- Updated /etc/sysconfig/grub tp add intel_iommu=on:
GRUB_CMDLINE_LINUX="rd.lvm.lv=centos/root rd.lvm.lv=centos/swap rhgb quiet
intel_iommu=on"
- Allowed unsafe interrupts in /etc/modprobe.d/PME-vfio_iommu_type1.conf:
options vfio_iommu_type1 allow_unsafe_interrupts=1
- Blacklisted the PCI card's drivers in /etc/modprobe.d/blacklist.conf so
they don't get grabbed by the CentOS hypervisor host:
blacklist cx8800
blacklist cx8802
blacklist cx88_dvb
blacklist cx88-mpeg
Can anyone please advise why I'm getting that error preventing the VM from
bootin...
2018 Aug 06
0
Re: Trouble passing PCI device in isolated IOMMU group
...t " failed to set iommu for
> container: Operation not permitted". As recommended here
> (http://vfio.blogspot.com/2014/08/vfiovga-faq.html) I parsed dmesg in an
> attempt to find:
>
> -------------------
> No interrupt remapping support. Use the module param
> "allow_unsafe_interrupts" to enable VFIO IOMMU support on this platform
> -------------------
> ...but nothing similar exists in my logs.
>
> Since this device is showing up in its own IOMMU group, I assume ACS
> override won't get me any further. In any case, it is not an option for
> me to le...
2016 Sep 06
0
My Windows7 VM stopped at loading screen.
...boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
# info -f grub -n 'Simple configuration'
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on
vfio_iommu_type1.allow_unsafe_interrupts=1"
GRUB_CMDLINE_LINUX=""
# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,...