On Sun, 2018-10-28 at 17:35 +0100, Christian Zigotzky wrote: > Hello, > > SMP doesn't work anymore with the latest Git kernel (28/10/18 11:12AM > GMT) on my P5020 board and on virtual e5500 QEMU machines. > > Board with P5020 dual core CPU: > > [ 0.000000] ----------------------------------------------------- > [ 0.000000] phys_mem_size = 0x200000000 > [ 0.000000] dcache_bsize = 0x40 > [ 0.000000] icache_bsize = 0x40 > [ 0.000000] cpu_features = 0x00000003008003b4 > [ 0.000000] possible = 0x00000003009003b4 > [ 0.000000] always = 0x00000003008003b4 > [ 0.000000] cpu_user_features = 0xcc008000 0x08000000 > [ 0.000000] mmu_features = 0x000a0010 > [ 0.000000] firmware_features = 0x0000000000000000 > [ 0.000000] ----------------------------------------------------- > [ 0.000000] CoreNet Generic board > > ... > > [ 0.002161] smp: Bringing up secondary CPUs ... > [ 0.002339] No cpu-release-addr for cpu 1 > [ 0.002347] smp: failed starting cpu 1 (rc -2) > [ 0.002401] smp: Brought up 1 node, 1 CPU > > Virtual e5500 quad core QEMU machine: > > [ 0.026394] smp: Bringing up secondary CPUs ... > [ 0.027831] No cpu-release-addr for cpu 1 > [ 0.027989] smp: failed starting cpu 1 (rc -2) > [ 0.030143] No cpu-release-addr for cpu 2 > [ 0.030304] smp: failed starting cpu 2 (rc -2) > [ 0.032400] No cpu-release-addr for cpu 3 > [ 0.032533] smp: failed starting cpu 3 (rc -2) > [ 0.033117] smp: Brought up 1 node, 1 CPU > > QEMU command: ./qemu-system-ppc64 -M ppce500 -cpu e5500 -m 2048 -kernel > /home/christian/Downloads/vmlinux-4.20-alpha4- > AmigaOne_X1000_X5000/X5000_and_QEMU_e5500/uImage-4.20 > -drive > format=raw,file=/home/christian/Downloads/MATE_PowerPC_Remix_2017_0.9.img,in > dex=0,if=virtio > -nic user,model=e1000 -append "rw root=/dev/vda" -device virtio-vga > -device virtio-mouse-pci -device virtio-keyboard-pci -usb -soundhw > es1370 -smp 4 > > .config: > > ... > CONFIG_SMP=y > CONFIG_NR_CPUS=4 > ... > > Please test the latest Git kernel on your NXP P50XX boards.
I wasn't able to reproduce this with top-of-tree (commit 8053e5b93eca9b) with either qemu (e5500 on ppce500) or a hardware t4240. -Scott
