Hart isolation configuration failure (error -3) with OpenSBI 1.8 on QEMU 10.1.3 rva22s64/rva23s64 profiles

[Xiang W]

在 2026-01-05一的 18:42 +0100，Thomas Perrot写道：
> Hello,
> 
> Happy New Year!
> 
> I'm facing a hart isolation configuration error when running OpenSBI
> 1.8 on QEMU 10.1.3 with the RISC-V application profiles rva22s64 and
> rva23s64:
> 
>     init_coldboot: hart isolation configure failed (error -3)
> 
> No issue occurs when using the rv64 profile. The system continues to
> boot after the error, but I'd like to understand the root cause.
> 
> I haven't tested OpenSBI 1.8 on real hardware yet - that's my next
> step.
> 
> Is there a known QEMU issue? Is there a recommended workaround besides
> using rv64?
> 
> Below is the complete trace:
> 
> qemu-system-riscv64 -device virtio-net-
> device,netdev=net0,mac=52:54:00:12:35:02 -netdev
> user,id=net0,hostfwd=tcp:127.0.0.1:2222-:22,hostfwd=tcp:127.0.0.1:2323-
> :23,tftp=/src/build/tmp/deploy/images/qemuriscv64 -object rng-
> random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 -
> drive id=disk0,file=/src/build/tmp/deploy/images/qemuriscv64/core-
> image-minimal-qemuriscv64.rootfs-20260105173847.ext4,if=none,format=raw
> -device virtio-blk-device,drive=disk0 -device qemu-xhci -device usb-
> tablet -device usb-kbd  -machine virt -cpu rva23s64 -smp 4 -m 256 -
QEMU disables PMP by default; the following option needs to be added.

-cpu rva23s64,pmp=true

Regards,
Xiang W

> snapshot -serial mon:stdio -serial null -nographic -device bochs-
> display -bios /src/build/tmp/deploy/images/qemuriscv64/fw_jump.elf -
> kernel /src/build/tmp/deploy/images/qemuriscv64/Image -append
> 'root=/dev/vda rw  mem=256M ip=dhcp console=ttyS0 console=hvc0
> earlycon=sbi swiotlb=0
> 
> OpenSBI v1.8
>    ____                    _____ ____ _____
>   / __ \                  / ____|  _ \_   _|
>  | |  | |_ __   ___ _ __ | (___ | |_) || |
>  | |  | | '_ \ / _ \ '_ \ \___ \|  _ < | |
>  | |__| | |_) |  __/ | | |____) | |_) || |_
>   \____/| .__/ \___|_| |_|_____/|____/_____|
>         | |
>         |_|
> 
> Platform Name               : riscv-virtio,qemu
> Platform Features           : medeleg
> Platform HART Count         : 4
> Platform HART Protection    : ---
> Platform IPI Device         : aclint-mswi
> Platform Timer Device       : aclint-mtimer @ 10000000Hz
> Platform Console Device     : uart8250
> Platform HSM Device         : ---
> Platform PMU Device         : ---
> Platform Reboot Device      : syscon-reboot
> Platform Shutdown Device    : syscon-poweroff
> Platform Suspend Device     : ---
> Platform CPPC Device        : ---
> Firmware Base               : 0x80000000
> Firmware Size               : 357 KB
> Firmware RW Offset          : 0x40000
> Firmware RW Size            : 101 KB
> Firmware Heap Offset        : 0x4d000
> Firmware Heap Size          : 49 KB (total), 0 KB (reserved), 13 KB
> (used), 35 KB (free)
> Firmware Scratch Size       : 4096 B (total), 1464 B (used), 2632 B
> (free)
> Runtime SBI Version         : 3.0
> Standard SBI Extensions     :
> time,rfnc,ipi,base,hsm,srst,pmu,dbcn,fwft,legacy,dbtr,sse
> Experimental SBI Extensions : none
> 
> Domain0 Name                : root
> Domain0 Boot HART           : 0
> Domain0 HARTs               : 0*,1*,2*,3*
> Domain0 Region00            : 0x0000000080040000-0x000000008005ffff M:
> (F,R,W) S/U: ()
> Domain0 Region01            : 0x0000000080000000-0x000000008003ffff M:
> (F,R,X) S/U: ()
> Domain0 Region02            : 0x0000000000100000-0x0000000000100fff M:
> (I,R,W) S/U: (R,W)
> Domain0 Region03            : 0x0000000010000000-0x0000000010000fff M:
> (I,R,W) S/U: (R,W)
> Domain0 Region04            : 0x0000000002000000-0x000000000200ffff M:
> (I,R,W) S/U: ()
> Domain0 Region05            : 0x000000000c400000-0x000000000c5fffff M:
> (I,R,W) S/U: (R,W)
> Domain0 Region06            : 0x000000000c000000-0x000000000c3fffff M:
> (I,R,W) S/U: (R,W)
> Domain0 Region07            : 0x0000000000000000-0xffffffffffffffff M:
> () S/U: (R,W,X)
> Domain0 Next Address        : 0x0000000080200000
> Domain0 Next Arg1           : 0x0000000082200000
> Domain0 Next Mode           : S-mode
> Domain0 SysReset            : yes
> Domain0 SysSuspend          : yes
> 
> Boot HART ID                : 0
> Boot HART Domain            : root
> Boot HART Priv Version      : v1.12
> Boot HART Base ISA          : rv64imafdcbvh
> Boot HART ISA Extensions    :
> smstateen,sscofpmf,sstc,zicntr,zihpm,zicboz,zicbom,svpbmt,sdtrig,svade,
> smnpm,ssstateen
> Boot HART PMP Count         : 0
> Boot HART PMP Granularity   : 0 bits
> Boot HART PMP Address Bits  : 0
> Boot HART MHPM Info         : 16 (0x0007fff8)
> Boot HART Debug Triggers    : 2 triggers
> Boot HART MIDELEG           : 0x0000000000003666
> Boot HART MEDELEG           : 0x0000000000f4b509
> init_coldboot: hart isolation configure failed (error -3)
> 
> Kind regards,
> Thomas Perrot