Hi Alex, On Aug 09, 2016, at 02:24, Alex Williamson <[email protected]> wrote: > On Tue, 9 Aug 2016 01:43:45 +0200 > Maik Broemme <[email protected]> wrote: > > > Hi, > > > > whenever I try to start a KVM VM with 'Qualcomm Atheros AR9580 Wireless > > Network Adapter' assigned it will immediately reboot the host. I've tried > > already a couple of things: > > > > 1. Played with module parameters. > > > > vfio_pci nointxmask=1 > > vfio_iommu_type1vfio_iommu_type1 disable_hugepages=1 > > > > 2. Tried kernel 4.4, 4.6 and 4.8rc1.r2.g574673c2 > > > > 3. Tried all different PCIe slots in the system. It is a dual socket > > system with 6 PCIe slots, where 3 are connected to CPU1 and 3 to > > CPU2. > > > > I don't have any clue what the root cause could be. I have tried another > > Wireless card which works fine with VFIO passthrough. It was some old > > D-Link PCIe model but with different chipset. > > > > Any help would be much appreciated to narrow down the problem. > > Probably needs to be added to the broken bus reset list with the other > Atheros devices, see: > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c3e59ee4e76686b0c84ca8faa1011d10cd4ca1b8 > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9ac0108c2bac3f1d0255f64fb89fc27e71131b24 >
Thanks, that did the trick. The device works fine now in KVM VM. I've posted patch for it on linux-pci. --Maik _______________________________________________ vfio-users mailing list [email protected] https://www.redhat.com/mailman/listinfo/vfio-users
