Hi Anup, On 12/2/20 3:28 PM, Anup Patel wrote: > root=/dev/vda2 rootwait console=ttyS0 earlycon=sbi
Many thanks for the "earlycon=sbi" tip. It doesn't solve the problem yet but definitely helps to get further details: [ 0.000000] Linux version 5.10.0-rc5-00357-gaae5ab854e38 (mike@mike-laptop) (riscv64-linux-gnu-gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #11 SMP Tue Dec 1 07:13:44 CET 2020 [ 0.000000] OF: fdt: Ignoring memory range 0x80000000 - 0x80200000 [ 0.000000] earlycon: sbi0 at I/O port 0x0 (options '') [ 0.000000] printk: bootconsole [sbi0] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000080200000-0x0000000081ffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080200000-0x0000000081ffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080200000-0x0000000081ffffff] [ 0.000000] Unable to handle kernel paging request at virtual address ffffffe007e00001 [ 0.000000] Oops [#1] [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 5.10.0-rc5-00357-gaae5ab854e38 #11 [ 0.000000] epc: ffffffe0004a8b38 ra : ffffffe000021cb8 sp : ffffffe001003f60 [ 0.000000] gp : ffffffe0010e1fb0 tp : ffffffe00100bd40 t0 : ffffffe001d8efc0 [ 0.000000] t1 : 0000000081f8efc0 t2 : 2d656b696d40656b s0 : ffffffe001003f80 [ 0.000000] s1 : ffffffe007e00000 a0 : ffffffe007e00000 a1 : ffffffe001d8ef80 [ 0.000000] a2 : 0000000000000000 a3 : 0000000000000000 a4 : 0000000000000000 [ 0.000000] a5 : ffffffdf7fe00000 a6 : ffffffe0010104b8 a7 : 0000000000000030 [ 0.000000] s2 : ffffffe0010e30a8 s3 : 0000000000000003 s4 : fffffffffffffff3 [ 0.000000] s5 : 00000000bffe1c70 s6 : 0000000000000000 s7 : 0000000000000000 [ 0.000000] s8 : 00000000bff6a042 s9 : 0000000080200000 s10: 0000000000000000 [ 0.000000] s11: 0000000000000000 t3 : 0000000000000018 t4 : 0000000000000001 [ 0.000000] t5 : 0000000000000018 t6 : 0000000001e00000 [ 0.000000] status: 0000000000000100 badaddr: ffffffe007e00001 cause: 000000000000000d [ 0.000000] random: get_random_bytes called from print_oops_end_marker+0x22/0x44 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! ]--- Now I guess I can compare with the run in which the kernel is directly started without U-Boot... Suggestions welcome of course... Thanks again, Michael. -- Michael Opdenacker, CEO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
