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Martin Hope
ra314
Asked: 2018-04-18 21:47:01 +0800 CST
  • 1

我有一个安装了 Ubuntu 的戴尔 XPS 13。我想知道它是否具有 PCIe x4 或 x2。

编辑 1：我已经知道它是 Thunderbolt，只是不知道它有多少条 PCIe 通道。

编辑2：这是我尝试建议的命令后得到的。

$ sudo dmidecode | grep PCI
PCI is supported
Type: x16 PCI Express
Type: x1 PCI Express
Type: x1 PCI Express
Type: x1 PCI Express
Type: x1 PCI Express
Type: x1 PCI Express
Type: x1 PCI Express
Type: 32-bit PCI
    SA - PCIe Version

编辑3：尝试后， sudo lspci -vv | grep -E 'PCI 网桥|LnkCap'

00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port (rev f1) (prog-if 00 [Normal decode])
    LnkCap: Port #1, Speed 8GT/s, Width x2, ASPM not supported, Exit Latency L0s unlimited, L1 <16us
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 (rev f1) (prog-if 00 [Normal decode])
    LnkCap: Port #5, Speed 8GT/s, Width x1, ASPM L1, Exit Latency L0s <1us, L1 <16us
00:1c.5 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #6 (rev f1) (prog-if 00 [Normal decode])
    LnkCap: Port #6, Speed 8GT/s, Width x1, ASPM L1, Exit Latency L0s <1us, L1 <16us
    LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s <4us, L1 <64us
    LnkCap: Port #0, Speed 5GT/s, Width x1, ASPM L0s L1, Exit Latency L0s unlimited, L1 <64us
thunderbolt usb-c
Martin Hope
ra314
Asked: 2017-06-30 09:05:06 +0800 CST
  • 1

我使用 virt-manager QEMU/KVM 创建了一个 Windows VM。
它工作得很好，我可以使用它。
我有第二组键盘和鼠标，我只想连接到虚拟机。
我尝试通过单击添加硬件、USB 主机设备、选择键盘并单击完成来执行此操作。当我尝试启动虚拟机时，这是我得到的错误。

我应该怎么办？

Error starting domain: internal error: process exited while connecting to monitor: 2017-06-29T17:04:26.213999Z qemu-system-x86_64: -device usb-host,hostbus=1,hostaddr=4,id=hostdev0,bus=usb.0,port=2: failed to find host usb device 1:4

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 90, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 126, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/libvirtobject.py", line 83, in newfn
    ret = fn(self, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1402, in startup
    self._backend.create()
  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 1035, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error: process exited while connecting to monitor: 2017-06-29T17:04:26.213999Z qemu-system-x86_64: -device usb-host,hostbus=1,hostaddr=4,id=hostdev0,bus=usb.0,port=2: failed to find host usb device 1:4
virtualization