Dear Maintainer,
The RISC-V kernel has also encountered an issue similar to bug #963033.
The boot process consists of coreboot(ACPI)/LinuxBoot kexec loading the Debian kernel.
Thanks,
Han
[ 0.000000] Booting Linux on hartid 0
[ 0.000000] Linux version 7.1.7+deb13-riscv64 (debian-kernel@lists.debian.org) (riscv64-linux-gnu-gcc-14 (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44) #1 SMP PREEMPT Debian 7.1.7-1~bpo13+1 (2026-08-10)
[ 0.000000] random: crng init done
[ 0.000000] SBI specification v2.0 detected
[ 0.000000] SBI implementation ID=0x1 Version=0x10006
[ 0.000000] SBI TIME extension detected
[ 0.000000] SBI IPI extension detected
[ 0.000000] SBI RFENCE extension detected
[ 0.000000] SBI SRST extension detected
[ 0.000000] SBI DBCN extension detected
[ 0.000000] earlycon: uart8250 at MMIO32 0x0000000008181900 (options '')
[ 0.000000] printk: legacy bootconsole [uart8250] enabled
[ 0.000000] efi: Getting UEFI parameters from /chosen in DT:
[ 0.000000] efi: System Table : 0x00000000900108a8
[ 0.000000] efi: MemMap Address : 0x000000008cb3f068
[ 0.000000] efi: MemMap Size : 0x0000000000000370
[ 0.000000] efi: MemMap Desc. Size : 0x0000000000000028
[ 0.000000] efi: MemMap Desc. Version : 0x0000000000000001
[ 0.000000] efi: Can't find property 'linux,uefi-secure-boot' in DT!
[ 0.000000] __memblock_reserve: [0x0000000084200000-0x00000000865fffff] nid=-1 flags=0 paging_init+0xf8/0x6d0
[ 0.000000] INITRD: 0x1ff6d9f000+0x009a1000 is not a memory region - disabling initrd
[ 0.000000] __memblock_reserve: [0x0000001ff6d9f000-0x0000001ff773f79e] nid=-1 flags=0 early_init_fdt_scan_reserved_mem+0xe0/0x110
[ 0.000000] __memblock_reserve: [0x000000207dd5b000-0x000000207dd5b37d] nid=-1 flags=0 paging_init+0x23c/0x6d0
[ 0.000000] cma: Size (0x0000000006000000) of region at 0x0000000000000000 exceeds limit (0x0000000000000000)
[ 0.000000] cma: Failed to reserve 96 MiB
[ 0.000000] memblock_phys_alloc_range: 2097152 bytes align=0x1000 from=0x0000000000000000 max_addr=0x0000000000000000 paging_init+0x3fc/0x6d0
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] kernel BUG at arch/riscv/mm/init.c:1224!
[ 0.000000] Kernel BUG [#1]
[ 0.000000] Modules linked in:
[ 0.000000] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 7.1.7+deb13-riscv64 #1 PREEMPTLAZY Debian 7.1.7-1~bpo13+1
[ 0.000000] epc : paging_init+0x400/0x6d0
[ 0.000000] ra : paging_init+0x3fc/0x6d0
[ 0.000000] epc : ffffffff80e08af0 ra : ffffffff80e08aec sp : ffffffff82003d90
[ 0.000000] gp : ffffffff822bffd0 tp : ffffffff82010b00 t0 : 5f00000000000000
[ 0.000000] t1 : 000000000000006d t2 : 5f6b636f6c626d65 s0 : ffffffff82003e00
[ 0.000000] s1 : ffffffff81713b18 a0 : 0000000000000000 a1 : ffffffff81234cc8
[ 0.000000] a2 : 0000000000000000 a3 : ffffffff82135940 a4 : 0000000000000000
[ 0.000000] a5 : 0000000000000000 a6 : ffffffff82003c88 a7 : 0000000000000000
[ 0.000000] s2 : 0000000085400000 s3 : 0000000084200000 s4 : 0000000000000000
[ 0.000000] s5 : 0000000000e00000 s6 : 0000000001000000 s7 : 0000000000000000
[ 0.000000] s8 : 0000000000000000 s9 : 0000000000000000 s10: 0000000000000000
[ 0.000000] s11: 0000000000000000 t3 : ffffffff822fe717 t4 : ffffffff822fe717
[ 0.000000] t5 : ffffffff822fe718 t6 : ffffffff82003b88 ssp : 0000000000000000
[ 0.000000] status: 0000000200000100 badaddr: ffffffff80e08af0 cause: 0000000000000003
[ 0.000000] [<ffffffff80e08af0>] paging_init+0x400/0x6d0
[ 0.000000] [<ffffffff80e053c0>] setup_arch+0xe8/0x6f0
[ 0.000000] [<ffffffff80e00bc8>] start_kernel+0x88/0xac8
[ 0.000000] Code: 4601 6585 0537 0020 e097 0001 80e7 05c0 8a2a e111 (9002) 05b7
[ 0.000000] ---[ end trace 0000000000000000 ]---
[ 0.000000] Kernel panic - not syncing: Fatal exception in interrupt
[ 0.000000] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---