Re: [Qemu-devel] Debugging PCI Enhanced Allocation - IOMMU of a bridge?

2018-09-12 Thread Alex Williamson
On Wed, 12 Sep 2018 13:38:59 -0400 "Michael S. Tsirkin" wrote: > On Wed, Sep 12, 2018 at 05:30:29PM +, Alexander von Gluck IV wrote: > > Good morning! > > > > I'm working through adding support (or at least ignoring) PCI Enhance > > Allocation devices under Haiku. > > We run into one of

Re: [Qemu-devel] Debugging PCI Enhanced Allocation - IOMMU of a bridge?

2018-09-12 Thread Michael S. Tsirkin
On Wed, Sep 12, 2018 at 05:30:29PM +, Alexander von Gluck IV wrote: > Good morning! > > I'm working through adding support (or at least ignoring) PCI Enhance > Allocation devices under Haiku. > We run into one of these devices, and crash at boot due to attempting to read > an invalid address.

[Qemu-devel] Debugging PCI Enhanced Allocation - IOMMU of a bridge?

2018-09-12 Thread Alexander von Gluck IV
Good morning! I'm working through adding support (or at least ignoring) PCI Enhance Allocation devices under Haiku. We run into one of these devices, and crash at boot due to attempting to read an invalid address. Our testing showed that with a USB C dongle plugged in, we don't crash. Without