Re: [vfio-users] vfio dma map succeeds but dmesg indicates error

2017-03-31 Thread Christopher Thompson
ny more. Thanks and regards, Chris > -Original Message- > From: Alex Williamson [mailto:alex.william...@redhat.com] > Sent: 30 March 2017 17:18 > To: Christopher Thompson > Cc: vfio-users@redhat.com > Subject: Re: [vfio-users] vfio dma map succeeds but dmesg in

Re: [vfio-users] vfio dma map succeeds but dmesg indicates error

2017-03-30 Thread Alex Williamson
On Thu, 30 Mar 2017 13:50:27 + Christopher Thompson wrote: > Hi, > > I'm currently using VFIO for PCI passthrough in a custom simulation, and have > discovered that when I try to map IO virtual addresses larger than my host > supports, VFIO happily returns 0 from the dma map ioctl, but dme

[vfio-users] vfio dma map succeeds but dmesg indicates error

2017-03-30 Thread Christopher Thompson
Hi, I'm currently using VFIO for PCI passthrough in a custom simulation, and have discovered that when I try to map IO virtual addresses larger than my host supports, VFIO happily returns 0 from the dma map ioctl, but dmesg is telling me something is wrong. I noticed this after a few days of w