add launchpad bug reports without comments

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+Host system crashes on qemu with DMA remapping
+
+Hy,
+
+the host system crashes completely, when i try to pass an physical device without boot option intel_iommu=on set. In older kernel versions you didn't have to pass that option.
+
+I wonder if this can be easily checked by asking iommu state, avoiding a crash of the complete system.
+
+My data:
+cpu model: Intel(R) Core(TM) i7 CPU
+qemu version: 2.4.1-r2
+kernel version: 4.1.2 x86_64
+command line: 
+qemu-system-x86_64 -enable-kvm -drive file=/vms/prod/fw/fw.iso,if=virtio,format=raw -drive file=/vms/prod/fw/swap,if=virtio,format=raw -drive file=/vms/prod/fw/fwdata.iso,if=virtio,format=raw -m 512 -nographic -kernel /data/kernels/vmlinuz-2.6.36-gentoo-r8 -append "root=/dev/vda console=ttyS0 earlyprintk=serial" -net nic,model=virtio,macaddr=DE:AD:BE:EF:2D:AD -net tap,ifname=tapfw0,script=/etc/qemu/qemu-ifup -device pci-assign,host=03:00.0
+
+There are also more detailed informations (if needed) here:
+https://forums.gentoo.org/viewtopic-p-7923976.html
+
+Thanks,
+Antonios.
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