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VIRTIO-PCI: failed to open /sys/bus/pci/devices/<BDF>/resource0 #34

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130B848 opened this issue Sep 24, 2021 · 0 comments

130B848 commented Sep 24, 2021

There is no resource0 but resource in my Ubuntu 20.04 VM

So I changed resource0 in virtio.c to resource.

/sys/bus/pci/devices/<BDF>/resource is read-only, so ixy-pktgen failed because permission denied

I added write permissions to /sys/bus/pci/devices/<BDF>/resource (I also tried 777)

Then it can open the resource, but failed at device.h:154 write_io8(): pwrite io resource after virtio_legacy_init(): Configuring bar0

Is there something wrong with my usage? Can anyone help?

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