sh[1]: undefined instruction: pc=ffff000000590004

Hi all,

I am trying to port Xen on Renesas Salvator-xs board. I have successfully ported Xen. I am facing issues while launching Dom0 Linux Kernel i am facing below errors. Please provide your suggestion  on this issue.

Thanks in advance.

sh-4.3# ls

bin   dev  home  lost+found  mnt   run   srv  tmp  var

boot  etc  lib   media       proc  sbin  sys  usr

[    5.935943] sh[1]: undefined instruction: pc=ffff000000590004

[    5.941605] Code: bad PC value

[    5.944715] Internal error: undefined instruction: 0 [#1] PREEMPT SMP

[    5.951206] Modules linked in:

[    5.954321] CPU: 2 PID: 1 Comm: sh Not tainted 4.9.78-09099-ga72b225-dirty #1

[    5.961500] Hardware name: Renesas Salvator-X board based on r8a7795 Xen (DT)

[    5.968684] task: ffff80003ba50000 task.stack: ffff80003ba2c000

[    5.974656] PC is at 0xffff000000590004

[    5.978558] LR is at do_signal+0xa8/0x4ec

[    5.982616] pc : [<ffff000000590004>] lr : [<ffff0000080875f4>] pstate: 200001c5

[    5.990057] sp : ffff80003ba2fcf0

[    5.993432] x29: ffff80003ba2fd70 x28: ffff80003ba2c000

[    5.998797] x27: ffff000008592000 x26: 0000000000000087

[    6.004163] x25: 0000000000000123 x24: 0000000000000087

[    6.009528] x23: 0000ffff92b4f97c x22: ffff0000087e7000

[    6.014893] x21: ffff80003ba2fec0 x20: 0000000000000000

[    6.020259] x19: 0000ffff92b4f978 x18: 000000000004094e

[    6.025624] x17: 0000ffff92b4f940 x16: ffff0000080a9aac

[    6.030990] x15: 0000000000000008 x14: 00000000004e7000

[    6.036355] x13: 0000000000000000 x12: 0101010101010101

[    6.041720] x11: 7f7f7f7f7f7f7f7f x10: fefefefefeff5254

[    6.047086] x9 : 000000000aa916d0 x8 : 0000000000000087

[    6.052451] x7 : 0000000000000000 x6 : ffff80003ba2feb8

[    6.057816] x5 : 0000000000000000 x4 : ffff80003ba50000

[    6.063182] x3 : ffff0000087e7290 x2 : 0000000000000001

[    6.068547] x1 : ffffffffffffffff x0 : ffff80003ba2fde0

[    6.073912]

[    6.075471] Process sh (pid: 1, stack limit = 0xffff80003ba2c020)

[    6.081621] Stack: (0xffff80003ba2fcf0 to 0xffff80003ba30000)

[    6.087414] fce0:                                   ffff80003ba2fd70 ffff0000080875f4

[    6.095290] fd00: 0000000000000087 0000000000000123 0000000000000087 ffff000008592000

[    6.103170] fd20: ffff80003ba2c000 ffff80003ba2fd70 ffff0000080875f4 ffff80003ba2fd70

[    6.111039] fd40: ffff000000590000 00000000202001c5 0000000000000055 ffff80003a25f2a8

[    6.118914] fd60: 0001000000000000 ffff7e0000e8e1f0 ffff80003ba2fe90 ffff000008087c40

[    6.126790] fd80: 0000000000000001 ffff80003ba2c000 ffff80003ba2fec0 ffff80003ba2c000

[    6.134670] fda0: 0000000040000000 0000000000000015 0000000000000123 0000000000000087

[    6.142539] fdc0: ffff000008592000 ffff80003ba2c000 ffff80003ba50000 ffff80003ba2fe60

[    6.150419] fde0: 0000000000000002 0000ffff92b4f97c 0000000040000000 0000000000000015

[    6.158290] fe00: 0000000000000123 0000000000000087 ffff80003ba2fe20 ffff0000080a98a0

[    6.166170] fe20: ffff80003ba2fe40 ffff0000080a9a7c ffff0000087e7000 0000000000000000

[    6.174040] fe40: ffff80003ba2fe90 ffff000008087c24 0000000000000001 ffff80003ba2c000

[    6.181915] fe60: ffff80003ba2fec0 ffff80003ba2c000 0000000040000000 0000000000000015

[    6.189789] fe80: 0000000000000123 0000000000040900 0000000000000000 ffff0000080825dc

[    6.197670] fea0: 0000000000000000 0000000000000000 ffffffffffffffff 0000ffff92b4f97c

[    6.205539] fec0: 0000000000000000 0000ffffd44aca90 0000000000000000 0000000000000008

[    6.213415] fee0: 00000000ffffffff 0000ffff92c619c0 0000000000000000 0000000000000000

[    6.221289] ff00: 0000000000000087 000000000aa916d0 fefefefefeff5254 7f7f7f7f7f7f7f7f

[    6.229170] ff20: 0101010101010101 0000000000000000 00000000004e7000 0000000000000008

[    6.237039] ff40: 00000000004dd968 0000ffff92b4f940 000000000004094e 0000000000000000

[    6.244915] ff60: 0000000000000000 0000000000000002 00000000004ea000 00000000004e8000

[    6.252790] ff80: 00000000004e8810 000000000aa91650 0000000000000000 000000000000037f

[    6.260670] ffa0: 0000000000000000 0000ffffd44ac8f0 0000000000445be4 0000ffffd44ac8f0

[    6.268539] ffc0: 0000ffff92b4f97c 0000000040000000 0000000000000002 ffffffffffffffff

[    6.276415] ffe0: 0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff

[    6.284288] Call trace:

[    6.286798] Exception stack(0xffff80003ba2fb90 to 0xffff80003ba2fcc0)

[    6.293289] fb80:                                   0000ffff92b4f978 0001000000000000

[    6.301164] fba0: ffff80003ba2fcf0 ffff000000590004 00000000200001c5 ffff80003abca100

[    6.309039] fbc0: ffff80003ba2fde0 ffffffffffffffff 0000000000000001 ffff0000087e7290

[    6.316915] fbe0: ffff80003ba50000 0000000000000000 ffff80003ba2feb8 0000000000000000

[    6.324789] fc00: 0000000000000087 000000000aa916d0 fefefefefeff5254 7f7f7f7f7f7f7f7f

[    6.332669] fc20: 0101010101010101 0000000000000000 00000000004e7000 0000000000000008

[    6.340539] fc40: ffff0000080a9aac 0000ffff92b4f940 000000000004094e 0000ffff92b4f978

[    6.348415] fc60: 0000000000000000 ffff80003ba2fec0 ffff0000087e7000 0000ffff92b4f97c

[    6.356289] fc80: 0000000000000087 0000000000000123 0000000000000087 ffff000008592000

[    6.364164] fca0: ffff80003ba2c000 ffff80003ba2fd70 ffff0000080875f4 ffff80003ba2fcf0

[    6.372039] [<ffff000000590004>] 0xffff000000590004

[    6.376975] [<ffff000008087c40>] do_notify_resume+0x50/0xa8

[    6.382599] [<ffff0000080825dc>] work_pending+0x8/0x14

[    6.387789] Code: bad PC value

[    6.390925] ---[ end trace a6ebb5cbfd610c7c ]---

[    6.395997] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

[    6.395997]

[    6.405110] SMP: stopping secondary CPUs

[    6.409114] Kernel Offset: disabled

[    6.412639] Memory Limit: none

[    6.415758] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

[    6.415758]