On Mon, Sep 03, 2018 at 01:39:12PM +0200, Auger Eric wrote: > 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. Nope. I didn't have any hardware to test that on yet :-) I can write a patch, though, and send it to Christoffer to test. Or, if Christoffer doesn't mind hacking kvm-unit-tests, I'd be happy to review his patch :-) Thanks, drew > > 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
