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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/device/1869006')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/device/1869006 | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/device/1869006 b/results/classifier/deepseek-2-tmp/output/device/1869006 deleted file mode 100644 index 16af7178..00000000 --- a/results/classifier/deepseek-2-tmp/output/device/1869006 +++ /dev/null @@ -1,26 +0,0 @@ - -PCIe cards passthrough to TCG guest works on 2GB of guest memory but fails on 4GB (vfio_dma_map invalid arg) - -During one meeting coworker asked "did someone tried to passthrough PCIe card to other arch guest?" and I decided to check it. - -Plugged SATA and USB3 controllers into spare slots on mainboard and started playing. On 1GB VM instance it worked (both cold- and hot-plugged). On 4GB one it did not: - -Błąd podczas uruchamiania domeny: internal error: process exited while connecting to monitor: 2020-03-25T13:43:39.107524Z qemu-system-aarch64: -device vfio-pci,host=0000:29:00.0,id=hostdev0,bus=pci.3,addr=0x0: VFIO_MAP_DMA: -22 -2020-03-25T13:43:39.107560Z qemu-system-aarch64: -device vfio-pci,host=0000:29:00.0,id=hostdev0,bus=pci.3,addr=0x0: vfio 0000:29:00.0: failed to setup container for group 28: memory listener initialization failed: Region mach-virt.ram: vfio_dma_map(0x563169753c80, 0x40000000, 0x100000000, 0x7fb2a3e00000) = -22 (Invalid argument) - -Traceback (most recent call last): - File "/usr/share/virt-manager/virtManager/asyncjob.py", line 75, in cb_wrapper - callback(asyncjob, *args, **kwargs) - File "/usr/share/virt-manager/virtManager/asyncjob.py", line 111, in tmpcb - callback(*args, **kwargs) - File "/usr/share/virt-manager/virtManager/object/libvirtobject.py", line 66, in newfn - ret = fn(self, *args, **kwargs) - File "/usr/share/virt-manager/virtManager/object/domain.py", line 1279, in startup - self._backend.create() - File "/usr/lib64/python3.8/site-packages/libvirt.py", line 1234, in create - if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self) -libvirt.libvirtError: internal error: process exited while connecting to monitor: 2020-03-25T13:43:39.107524Z qemu-system-aarch64: -device vfio-pci,host=0000:29:00.0,id=hostdev0,bus=pci.3,addr=0x0: VFIO_MAP_DMA: -22 -2020-03-25T13:43:39.107560Z qemu-system-aarch64: -device vfio-pci,host=0000:29:00.0,id=hostdev0,bus=pci.3,addr=0x0: vfio 0000:29:00.0: failed to setup container for group 28: memory listener initialization failed: Region mach-virt.ram: vfio_dma_map(0x563169753c80, 0x40000000, 0x100000000, 0x7fb2a3e00000) = -22 (Invalid argument) - - -I played with memory and 3054 MB is maximum value possible to boot VM with coldplugged host PCIe cards. \ No newline at end of file |