Failed to boot 20.04 on risc-v qemu:
qemu-system-riscv64 -machine virt -nographic -m 2048 -smp 1 -bios /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf -kernel /usr/lib/u-boot/qemu-riscv64_smode/uboot.elf -device virtio-net-device,netdev=eth0 -netdev user,id=eth0 -drive file=ubuntu-20.04.3-preinstalled-server-riscv64+unmatched.img,format=raw,if=virtio
OpenSBI v0.9
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/ __ \ / ____| _ \_ _|
| | | |_ __ ___ _ __ | (___ | |_) || |
| | | | '_ \ / _ \ '_ \ \___ \| _ < | |
| |__| | |_) | __/ | | |____) | |_) || |_
\____/| .__/ \___|_| |_|_____/|____/_____|
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Platform Name : riscv-virtio,qemu
Platform Features : timer,mfdeleg
Platform HART Count : 1
Firmware Base : 0x80000000
Firmware Size : 100 KB
Runtime SBI Version : 0.2
Domain0 Name : root
Domain0 Boot HART : 0
Domain0 HARTs : 0*
Domain0 Region00 : 0x0000000080000000-0x000000008001ffff ()
Domain0 Region01 : 0x0000000000000000-0xffffffffffffffff (R,W,X)
Domain0 Next Address : 0x0000000080200000
Domain0 Next Arg1 : 0x0000000082200000
Domain0 Next Mode : S-mode
Domain0 SysReset : yes
Boot HART ID : 0
Boot HART Domain : root
Boot HART ISA : rv64imafdcsu
Boot HART Features : scounteren,mcounteren
Boot HART PMP Count : 16
Boot HART PMP Granularity : 4
Boot HART PMP Address Bits: 54
Boot HART MHPM Count : 0
Boot HART MHPM Count : 0
Boot HART MIDELEG : 0x0000000000000222
Boot HART MEDELEG : 0x000000000000b109
U-Boot 2021.01+dfsg-3ubuntu0~20.04.3 (Jul 30 2021 - 14:38:17 +0000)
CPU: rv64imafdcsu
Model: riscv-virtio,qemu
DRAM: 2 GiB
In: uart@10000000
Out: uart@10000000
Err: uart@10000000
Net: eth0: virtio-net#0
Hit any key to stop autoboot: 0
Device 0: 1af4 VirtIO Block Device
Type: Hard Disk
Capacity: 13824.0 MB = 13.5 GB (28311552 x 512)
... is now current device
Scanning virtio 0:1...
Found /boot/extlinux/extlinux.conf
Retrieving file: /boot/extlinux/extlinux.conf
755 bytes read in 6 ms (122.1 KiB/s)
U-Boot menu
1: Ubuntu 20.04.3 LTS 5.11.0-1017-generic
2: Ubuntu 20.04.3 LTS 5.11.0-1017-generic (rescue target)
Enter choice: 1
1: Ubuntu 20.04.3 LTS 5.11.0-1017-generic
Retrieving file: /boot/initrd.img-5.11.0-1017-generic
170008555 bytes read in 292 ms (555.2 MiB/s)
Retrieving file: /boot/vmlinuz-5.11.0-1017-generic
25258496 bytes read in 55 ms (438 MiB/s)
append: root=LABEL=cloudimg-rootfs ro earlycon
Retrieving file: /lib/firmware/5.11.0-1017-generic/device-tree/qemu-riscv.dtb
Failed to load '/lib/firmware/5.11.0-1017-generic/device-tree/qemu-riscv.dtb'
Skipping l0 for failure retrieving fdt
2: Ubuntu 20.04.3 LTS 5.11.0-1017-generic (rescue target)
Retrieving file: /boot/initrd.img-5.11.0-1017-generic
170008555 bytes read in 42 ms (3.8 GiB/s)
Retrieving file: /boot/vmlinuz-5.11.0-1017-generic
25258496 bytes read in 7 ms (3.4 GiB/s)
append: root=LABEL=cloudimg-rootfs ro earlycon single
Retrieving file: /lib/firmware/5.11.0-1017-generic/device-tree/qemu-riscv.dtb
Failed to load '/lib/firmware/5.11.0-1017-generic/device-tree/qemu-riscv.dtb'
Skipping l0r for failure retrieving fdt
SCRIPT FAILED: continuing...
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
Scanning disk virtio-blk#8...
** Unrecognized filesystem type **
** Unrecognized filesystem type **
Found 6 disks
** Invalid partition 21 **
Cannot read EFI system partition
BootOrder not defined
EFI boot manager: Cannot load any image
Scanning virtio 0:f...
** Unable to read file / **
Failed to load '/'
libfdt fdt_check_header(): FDT_ERR_BADMAGIC
BootOrder not defined
EFI boot manager: Cannot load any image
scanning bus for devices...
Device 0: unknown device
BOOTP broadcast 1
DHCP client bound to address 10.0.2.15 (1 ms)
Using virtio-net#0 device
TFTP from server 10.0.2.2; our IP address is 10.0.2.15
Filename 'boot.scr.uimg'.
Load address: 0x88100000
Loading: *
TFTP error: 'Access violation' (2)
Not retrying...
BOOTP broadcast 1
DHCP client bound to address 10.0.2.15 (1 ms)
Using virtio-net#0 device
TFTP from server 10.0.2.2; our IP address is 10.0.2.15
Filename 'boot.scr.uimg'.
Load address: 0x84000000
Loading: *
TFTP error: 'Access violation' (2)
Not retrying...
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