On 27.12.21 12:34, Florian Bezdeka wrote: > On 26.12.21 17:21, jiajun huang wrote: >> Happy New Year， >> >> I successfully created root cell and inmate cell on QEMU, and nuttx >> running in the inmate cell. At the same time, I added the ivshmem-net >> device to the root cell and the intimate cell, and loaded the NIC >> driver. Finally, I configured ip 172.16.0.1 and 172.16.0.2 for the >> network card. But when I execute ping 172.16.0.2 in the root cell, the >> error "From 172.16.0.1 icmp_seq=1 Destination Host Unreachable" appears. >> The attachment is the driver I used in linux and nuttx respectively.The >> network driver uses the virtio interface. I tried to log in the driver, >> but I found that the control flow did not enter ndo_start_xmit(). > > Looking at the hypervisor logs, it seems that the memory configuration > of your virtual interfaces is correct now. The shared memory between the > cells is detected, the device probing seems successful. > > I guess you don't receive interrupts for your virtual devices. Could you > verify that by looking into /proc/interrupts? > > Are we still running on qemu? All your devices have .iommu = 0 set, but > the .irqchip configuration looks different (root cell as well as inmate) > compared to the qemu example that we have. >
As you have configured MSI-X interrupts for the virtual devices, the documentation says: You may also need to set the iommu field to match the IOMMU unit that the guest expects based on the bdf value. Try 1 if MSI-X interrupts do not make it when using 0. Just give it a try... -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jailhouse-dev/f25df50a-e947-002b-5528-8d9793318aa6%40siemens.com.
