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给组虚拟机固态NAS的老兄避一个坑
2024-02-22 10:19:07
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坑：
device vfio-pci,host=01:00.0,id=hostdev2,bus=pci.0,addr=0x8: vfio error: 0000:01:00.0: failed to add PCI capability 0x11[0x50]@0xb0: table & pba overlap, or they don't fit in BARs, or don't align
以上报错导致虚拟机无法启动。
原因：直通两条及以上一样的规格型号的NVME硬盘，会导致以上报错。
解决方法：
以PVE为例：
找到虚拟机的配置文件，路径一般为/etc/pve/qemu-server,例如我的虚拟机序号为108，那么配置文件为/etc/pve/qemu-server/108.conf。
pve终端输入命令
nano /etc/pve/qemu-server/108.conf
以我的配置文件为例，红线部分代表两个NVME直通。添加一条语句，把其中一条的bar改成绿线的样子，问题就完美解决了。
作者声明本文无利益相关，欢迎值友理性交流，和谐讨论～
值友3618105230
）？
校验提示文案
值友3618105230
vm 104 - unable to parse value of 'arqs' - unknown setting 'arqs'
vm 104 - unable to parse value of 'arqs' - unknown setting 'arqs'
kvm: -device vfio-pci,host=0000:06:00.0,id=hostpci1,bus=pci.0,addr=0x11: vfio 0000:06:00.0: failed to add PCI capability 0x11[0x50]@0xb0: table & pba overlap, BARs, or don't align
TASK ERROR: start failed: QEMU exited with code 1
添加完变成这样
校验提示文案
值友3618105230
vm 104 - unable to parse value of 'arqs' - unknown setting 'arqs'
vm 104 - unable to parse value of 'arqs' - unknown setting 'arqs'
kvm: -device vfio-pci,host=0000:06:00.0,id=hostpci1,bus=pci.0,addr=0x11: vfio 0000:06:00.0: failed to add PCI capability 0x11[0x50]@0xb0: table & pba overlap, BARs, or don't align
TASK ERROR: start failed: QEMU exited with code 1
添加完变成这样
校验提示文案
值友3618105230
）？
校验提示文案