Hi,

On 15/06/2023 10:11, sai krishna Allu wrote:
Hi Team,

I have Raspberry Pi 4, which is installed with Ubuntu 20.04.5 LTS 64 bit.
after loading the jailhouse.ko file, when I gave following command I am getting the exception.

ubuntu@ubuntu:~/jailhouse$ sudo jailhouse enable configs/arm64/rpi4.cell

Initializing Jailhouse hypervisor v0.12 (0-g92db71f2) on CPU 0
Code location: 0x0000ffffc0200800
Page pool usage after early setup: mem 39/994, remap 0/131072
Initializing processors:
  CPU 0...
FATAL: Unhandled HYP exception: synchronous abort from EL2

Synchronous abort from EL2 means that we have a fatal error inside Jailhouse (e.g., segfault).

  pc: 0000ffffc0203820   lr: 0000ffffc020380c spsr: 800003c9     EL2

Could you please disassemble your hypervisor binary, and see where the exception exactly occurs? Do this with:

aarch64-objdump -d hypervisor/hypervisor.o

And see what code executes behind 0x0000ffffc0203820. Alternatively, you can also attach the hypervisor.o.

Thanks,
  Ralf

  sp: 0000ffffc021ee40  esr: 00 1 0000000
  x0: 0000000084000000   x1: 0000000000000008   x2: 0000000080003580
  x3: 0000ffffc020e170   x4: 0000000000000014   x5: 000003ffffffffff
  x6: 0000000000000029   x7: 0000ffffc0219d30   x8: 000000000000002a
  x9: 0000000000000000  x10: 0000000000000000  x11: 0000000000000001
x12: 0000000000000015  x13: 0000000000000001  x14: 0000ffffc0219000
x15: 0000ffffc0015040  x16: 0000ffffc020d1fc  x17: ffffbcae22826688
x18: 0000000000000001  x19: 0000ffffc021e000  x20: 0000ffffc0219000
x21: 0000ffffc0200000  x22: 0000ffffc0219000  x23: 0000000000000000
x24: 0000000000000001  x25: 0000ffffc021e000  x26: 0000ffffc021f000
x27: 0000ffffc020f000  x28: 0000ffffc0218000  x29: 0000ffffc021ee40

Hypervisor stack before exception Stopping CPU 0 (Cell: "Raspberry-Pi4")


Please suggest how to fix this problem.

Regards,
Sai Krishna

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