Hi Christoffer, On 09/03/2018 01:11 PM, Christoffer Dall wrote: > Hi, > > I recently ran kvm-unit-tests on TX2, and I got an error from gicv3-ipi, > with this in the log: > > % cat logs/gicv3-ipi.log > timeout -k 1s --foreground 90s ../src/qemu/build/aarch64-softmmu/qemu-system-aarch64 -nodefaults -machine virt,gic-version=host,accel=kvm -cpu host -device virtio-serial-device -device virtconsole,chardev=ctd -chardev testdev,id=ctd -device pci-testdev -display none -serial stdio -kernel arm/gic.flat -smp 224 -machine gic-version=3 -append ipi # -initrd /tmp/tmp.Xy3T5zjn9n > lib/arm/gic-v3.c:25: assert failed: 0 > STACK: Quickly looking at gicv3_set_redist_base(), I noted a single contiguous redistributor region seems to be used: void *ptr = gicv3_data.redist_base[0]; Supporting more than 123 vcpus requires to use the 2 separate redistributor regions exposed by lastest QEMU mach-virt. I suspect the kvm-unit-test is not using both redist regions yet. Thanks Eric > > > Which is an assert in gicv3_set_redist_base(). > > I suspect this is related to the number of vcpus (112) and our GICv3 configuration. > > Reporting it here in case anyone else is seeing this and wondering what's going on. > > > Thanks, > > Christoffer > _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
