Sure. Attached is a kernel image and I will post the rootfs in the next
comment.
$ timeout --foreground 15s unbuffer \
qemu-system-riscv64 \
-bios /usr/lib/riscv64-linux-gnu/opensbi/qemu/virt/fw_jump.elf \
-display none \
-initrd rootfs.cpio \
-kernel Image \
-m 512m \
-M virt \
-nodefaults \
-serial mon:stdio
...
sbi_trap_error: hart0: trap handler failed (error -2)
sbi_trap_error: hart0: mcause=0x0000000000000007 mtval=0x0000000000100000
sbi_trap_error: hart0: mepc=0x000000008000d4b0 mstatus=0x0000000000001822
sbi_trap_error: hart0: ra=0x00000000800098de sp=0x0000000080015c78
sbi_trap_error: hart0: gp=0xffffffe0012e95e8 tp=0xffffffe0081c1e00
sbi_trap_error: hart0: s0=0x0000000080015c88 s1=0x0000000000000040
sbi_trap_error: hart0: a0=0x0000000000000000 a1=0x0000000080003f66
sbi_trap_error: hart0: a2=0x0000000080003f66 a3=0x0000000080003f66
sbi_trap_error: hart0: a4=0x0000000000100000 a5=0x0000000000005555
sbi_trap_error: hart0: a6=0x0000000000003f66 a7=0x0000000080011158
sbi_trap_error: hart0: s2=0x0000000000000000 s3=0x0000000080016000
sbi_trap_error: hart0: s4=0x0000000000000000 s5=0x0000000000000000
sbi_trap_error: hart0: s6=0x0000000000000001 s7=0x0000000000000000
sbi_trap_error: hart0: s8=0x0000000000000000 s9=0x0000000000000000
sbi_trap_error: hart0: s10=0x0000000000000000 s11=0x0000000000000008
sbi_trap_error: hart0: t0=0x0000000000000000 t1=0x0000000000000000
sbi_trap_error: hart0: t2=0x0000000000000000 t3=0x0000000000000000
sbi_trap_error: hart0: t4=0x0000000000000000 t5=0x0000000000000000
sbi_trap_error: hart0: t6=0x0000000000000000
$ echo ${?}
124
If it works, there should sbi_trap_error output and QEMU should exit
cleanly.
** Attachment added: "Image"
https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1914883/+attachment/5462006/+files/Image
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https://bugs.launchpad.net/bugs/1914883
Title:
hart0: trap handler failed (error -2) (Needs cherry-pick ab3d207f)
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