arm64 boot failed on linux next 20200916. [ 0.000000] Linux version 5.9.0-rc5-next-20200916 (TuxBuild@3aa8232c0e38) (aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0, GNU ld (GNU Binutils for Debian) 2.34) #1 SMP PREEMPT Wed Sep 16 10:13:15 UTC 2020 [ 0.000000] Machine model: Freescale Layerscape 2088A RDB Board [ 0.000000] earlycon: uart8250 at MMIO 0x00000000021c0600 (options '') [ 0.000000] printk: bootconsole [uart8250] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] [Firmware Bug]: Kernel image misaligned at boot, please fix your bootloader! [ 0.000000] Unable to handle kernel paging request at virtual address ffff0082ffffff70 [ 0.000000] Mem abort info: [ 0.000000] ESR = 0x96000044 [ 0.000000] EC = 0x25: DABT (current EL), IL = 32 bits [ 0.000000] SET = 0, FnV = 0 [ 0.000000] EA = 0, S1PTW = 0 [ 0.000000] Data abort info: [ 0.000000] ISV = 0, ISS = 0x00000044 [ 0.000000] CM = 0, WnR = 1 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000827f9000 [ 0.000000] [ffff0082ffffff70] pgd=0000000000000000, p4d=0000000000000000 [ 0.000000] Internal error: Oops: 96000044 [#1] PREEMPT SMP [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.9.0-rc5-next-20200916 #1 [ 0.000000] Hardware name: Freescale Layerscape 2088A RDB Board (DT) [ 0.000000] pstate: 20000085 (nzCv daIf -PAN -UAO BTYPE=--) [ 0.000000] pc : __memset+0x148/0x188 [ 0.000000] lr : memblock_alloc_try_nid+0xc4/0xdc [ 0.000000] sp : ffffc305b2393cd0 [ 0.000000] x29: ffffc305b2393cd0 x28: 000000008116237c [ 0.000000] x27: 0000000080000000 x26: ffffc305b1b51000 [ 0.000000] x25: 0000008380000000 x24: ffffc305b18014f8 [ 0.000000] x23: ffffc305b27a0f30 x22: 0000000000000000 [ 0.000000] x21: 00000000ffffffff x20: ffff0082ffffff70 [ 0.000000] x19: 0000000000000090 x18: 0000000000000010 [ 0.000000] x17: 0000000000001400 x16: 0000000000001c00 [ 0.000000] x15: ffffc305b23a48c0 x14: ffffc305b23a48c0 [ 0.000000] x13: fffffdfffe600000 x12: ffffc305b2393e44 [ 0.000000] x11: 0000000000004aa8 x10: ffffc305b2393df4 [ 0.000000] x9 : 0000000000000000 x8 : ffff0082ffffff70 [ 0.000000] x7 : 0000000000000000 x6 : 000000000000003f [ 0.000000] x5 : 0000000000000040 x4 : 0000000000000010 [ 0.000000] x3 : 0000000000000080 x2 : 0000000000000080 [ 0.000000] x1 : 0000000000000000 x0 : ffff0082ffffff70 [ 0.000000] Call trace: [ 0.000000] __memset+0x148/0x188 [ 0.000000] cma_init_reserved_mem+0x9c/0x15c [ 0.000000] cma_declare_contiguous_nid+0x288/0x308 [ 0.000000] dma_contiguous_reserve_area+0x50/0x80 [ 0.000000] dma_contiguous_reserve+0xfc/0x114 [ 0.000000] arm64_memblock_init+0x42c/0x464 [ 0.000000] setup_arch+0x27c/0x64c [ 0.000000] start_kernel+0xa0/0x56c [ 0.000000] Code: f101007f fa45a068 54fffc0b aa0303e2 (a9001d07) [ 0.000000] random: get_random_bytes called from print_oops_end_marker+0x34/0x78 with crng_init=0 [ 0.000000] ---[ end trace 0000000000000000 ]--- [ 0.000000] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.000000] ---[ end Kernel panic - not syncing: Attempted to kill the idle task! ]--- -- Linaro LKFT https://lkft.linaro.org