BUG: Bad page state in process swapper pfn:801bd while booting linux (5.15.68, arm64)

I'm tyring to boot linux on an SoC (arm64 based) and seeing trap in early stage. Here is the boot message. Booting Linux on physical CPU 0x0000000002 [0x411fd401] Linux version 5.15.68 (etri@AB21-T07) (aarch64-none-elf-gcc (GNU Toolchain for the Arm Architecture 11.2-2022.02 (arm-11.14)) 11.2.1 20220111, GNU ld (GNU Toolchain for the Arm Architecture 11.2-2022.02 (arm-11.14)) 2.37.20220122) #106 SMP PREEMPT Sun Jun 29 20:47:09 KST 2025 Machine model: ETRI ab21m earlycon: ns16550a0 at MMIO 0x0000000010220020 (options '115200n8') printk: bootconsole [ns16550a0] enabled Reserved memory: created CMA memory pool at 0x00000000f0000000, size 256 MiB OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool Reserved memory: created DMA memory pool at 0x00000000e0000000, size 128 MiB OF: reserved mem: initialized node axpursvd@e0000000, compatible id shared-dma-pool Zone ranges: DMA [mem 0x0000000080000000-0x00000000ffffffff] DMA32 empty Normal empty Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000080000000-0x00000000dfffffff] node 0: [mem 0x00000000e0000000-0x00000000e7ffffff] node 0: [mem 0x00000000e8000000-0x00000000ffffffff] Initmem setup node 0 [mem 0x0000000080000000-0x00000000ffffffff] percpu: Embedded 23 pages/cpu s57312 r8192 d28704 u94208 Detected PIPT I-cache on CPU0 CPU features: detected: GIC system register CPU interface CPU features: detected: Virtualization Host Extensions CPU features: detected: Hardware dirty bit management CPU features: detected: Spectre-v4 CPU features: detected: Spectre-BHB alternatives: patching kernel code Built 1 zonelists, mobility grouping on. Total pages: 517120 Kernel command line: earlycon root=/dev/ram init=/init nokaslr, cpuidle.off=1 Unknown kernel command line parameters "nokaslr,", will be passed to user space. Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) entering mm_init.. mem auto-init: stack:off, heap alloc:off, heap free:off BUG: Bad page state in process swapper pfn:801bd ------------[ cut here ]------------ kernel BUG at arch/arm64/kernel/traps.c:498! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 0 Comm: swapper Not tainted 5.15.68 #106 Hardware name: ETRI ab21m (DT) pstate: 000000c9 (nzcv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : do_undefinstr+0x180/0x1a4 lr : do_undefinstr+0x194/0x1a4 sp : ffffffc008693ad0 x29: ffffffc008693ad0 x28: ffffffc00869a100 x27: 000000000030f231 x26: fffffffe00007000 x25: 0000000080000000 x24: 0000000000000008 x23: 00000000800000c9 x22: ffffffc00813c810 x21: ffffffc008693c90 x20: 00000000ffffffff x19: ffffffc008693b40 x18: ffffffffffffffff x17: 2c73657479622036 x16: 373538343031202c x15: ffffffc008701fcd x14: 0000000000000000 x13: ffffffc0086a78f8 x12: 0000000000000072 x11: 0000000000000026 x10: ffffffc0086a78f8 x9 : ffffffc0086a78f8 x8 : 00000000ffffff7f x7 : ffffffc0086aa4f8 x6 : ffffffc0086aa4f8 x5 : ffffffc00869bca8 x4 : fffffffffefffffe x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffffffc00869a100 x0 : 00000000800000c9 Call trace: do_undefinstr+0x180/0x1a4 el1_undef+0x28/0x44 el1h_64_sync_handler+0x80/0xc0 el1h_64_sync+0x74/0x78 __dump_page+0x0/0x410 bad_page+0xe8/0x120 __free_pages_ok+0x418/0x460 __free_pages_core+0xa8/0xc0 memblock_free_pages+0x10/0x18 memblock_free_all+0x1ac/0x258 mem_init+0x70/0x88 mm_init+0x2c/0x78 start_kernel+0x260/0x64c __primary_switched+0xa0/0xac Code: b94037f4 a9025bf5 17ffffca a9025bf5 (d4210000) ------------[ cut here ]------------ kernel BUG at arch/arm64/kernel/traps.c:498! I think my device tree have something wrong. This is the line related to memory, and I don't know what is wrong. Can any one notice anything suspicous? memory@80000000 { device_type = "memory"; /*reg = , trusted ram */ /*, non-trusted ram */ reg = ; }; reserved-memory { #address-cells = ; #size-cells = ; ranges; axpu_reserved_mem: axpursvd@e0000000 { compatible = "shared-dma-pool"; no-map; reg = ; }; linux,cma { compatible = "shared-dma-pool"; reusable; size = ; alloc-ranges = ; linux,cma-default; }; };