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

[Thomas Perrot <thomas.perrot@bootlin.com>]

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Hello Xiang,

On Wed, 2026-01-07 at 10:48 +0800, Xiang W wrote:
> 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
> 

Thank you. With the additional option, the issue no longer occurs.

Kind regards,
Thomas Perrot

> 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,sv
> > ade,
> > 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

-- 
Thomas Perrot, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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