[Bug 1846816] Re: Booting error on AIX 6.1 "Illegal Trap Instruction Int

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[Bug 1846816] Re: Booting error on AIX 6.1 "Illegal Trap Instruction Int

From:	Chin
Subject:	[Bug 1846816] Re: Booting error on AIX 6.1 "Illegal Trap Instruction Interrupt in Kernel""
Date:	Sat, 13 Mar 2021 18:06:49 -0000
I saw comments about support for virtio devices on AIX 7.2, was it not 
available on AIX 7.1?
With AIX 7.1 also, I am getting similar issue as faced by other users with AIX 
6.1.


qemu-system-ppc64 -cpu POWER8 -machine pseries -m 2048 -d unimp -serial stdio 
-drive file=disk.img,if=none,id=drive-virtio-disk0 -device 
virtio-scsi-pci,id=scsi -device scsi-hd,drive=drive-virtio-disk0 -cdrom 
AIX_7.1.iso -prom-env "boot-command=boot cdrom:"
qemu-system-ppc64: warning: TCG doesn't support requested feature, 
cap-cfpc=workaround
qemu-system-ppc64: warning: TCG doesn't support requested feature, 
cap-sbbc=workaround
qemu-system-ppc64: warning: TCG doesn't support requested feature, 
cap-ibs=workaround
qemu-system-ppc64: warning: TCG doesn't support requested feature, 
cap-ccf-assist=on
VNC server running on 127.0.0.1:5900


SLOF **********************************************************************
QEMU Starting
 Build Date = Jul 17 2020 11:15:24
 FW Version = git-e18ddad8516ff2cf
 Press "s" to enter Open Firmware.

Populating /vdevice methods
Populating /vdevice/vty@71000000
Populating /vdevice/nvram@71000001
Populating /vdevice/l-lan@71000002
Populating /vdevice/v-scsi@71000003
       SCSI: Looking for devices
          8200000000000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"
Populating /pci@800000020000000
                     00 0000 (D) : 1234 1111    qemu vga
                     00 0800 (D) : 1033 0194    serial bus [ usb-xhci ]
                     00 1000 (D) : 1af4 1004    virtio [ scsi ]
Populating /pci@800000020000000/scsi@2
       SCSI: Looking for devices
          100000000000000 DISK     : "QEMU     QEMU HARDDISK    2.5+"
Installing QEMU fb


Scanning USB 
  XHCI: Initializing
    USB Keyboard 
    USB mouse 
No console specified using screen & keyboard
     
  Welcome to Open Firmware

  Copyright (c) 2004, 2017 IBM Corporation All rights reserved.
  This program and the accompanying materials are made available
  under the terms of the BSD License available at
  http://www.opensource.org/licenses/bsd-license.php


Trying to load:  from: /vdevice/v-scsi@71000003/disk@8200000000000000: ...   
Successfully loaded

AIX 
    StarUnimplemented SPAPR hcall 0x00000000000000ec

AIX Version 7.1
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Illegal Trap Instruction Interrupt in Kernel
05861AAC      tweqi    r0,0                r0=0
KDB(0)>

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https://bugs.launchpad.net/bugs/1846816

Title:
  Booting error on AIX 6.1 "Illegal Trap Instruction Interrupt in
  Kernel""

Status in QEMU:
  New

Bug description:
  # ls -ltr
  total 8750584
  -rw-rw-r--  1 linux linux 4274997248 Oct  4 18:33 AIX.vol1.iso
  -rw-rw-r--  1 linux linux 4293888000 Oct  4 18:45 AIX.vol2.iso
  -rw-rw-r--  1 linux linux  391485440 Oct  4 18:50 AIX.vol3.iso
  -rw-r--r--  1 root  root      204608 Oct  4 19:00 AIX61.img

  # qemu-system-ppc64 -cpu POWER8,compat=power7 -machine pseries -m 8192 
-serial mon:stdio \
  > -drive file=/qemu/AIX61.img,if=none,id=drive-virtio-disk0 \
  > -device virtio-scsi-pci,id=scsi -device scsi-hd,drive=drive-virtio-disk0 \
  > -cdrom /qemu/AIX.vol1.iso \
  > -prom-env boot-command='boot cdrom: -s verbose'

  VNC server running on ::1:5900
  qemu-system-ppc64: warning: TCG doesn't support requested feature, 
cap-ibs=workaround

  SLOF **********************************************************************
  QEMU Starting
   Build Date = Jul  3 2019 12:26:14
   FW Version = git-ba1ab360eebe6338
   Press "s" to enter Open Firmware.

  Populating /vdevice methods
  Populating /vdevice/vty@71000000
  Populating /vdevice/nvram@71000001
  Populating /vdevice/l-lan@71000002
  Populating /vdevice/v-scsi@71000003
         SCSI: Looking for devices
            8200000000000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"
  Populating /pci@800000020000000
                       00 0000 (D) : 1234 1111    qemu vga
                       00 0800 (D) : 1033 0194    serial bus [ usb-xhci ]
                       00 1000 (D) : 1af4 1004    virtio [ scsi ]
  Populating /pci@800000020000000/scsi@2
         SCSI: Looking for devices
            100000000000000 DISK     : "QEMU     QEMU HARDDISK    2.5+"
  Installing QEMU fb

  Scanning USB
    XHCI: Initializing
      USB Keyboard
      USB mouse
  No console specified using screen & keyboard

    Welcome to Open Firmware

    Copyright (c) 2004, 2017 IBM Corporation All rights reserved.
    This program and the accompanying materials are made available
    under the terms of the BSD License available at
    http://www.opensource.org/licenses/bsd-license.php

  Trying to load: -s verbose from: 
/vdevice/v-scsi@71000003/disk@8200000000000000: ...   Successfully loaded
  qemu-system-ppc64: Couldn't negotiate a suitable PVR during CAS
  AIX
  StarLED{814}

  AIX Version 6.1
  exec(/etc/init){1,0}

  INIT: EXECUTING /sbin/rc.boot 1
  exec(/usr/bin/sh,-c,/sbin/rc.boot 1){1114146,1}
  exec(/sbin/rc.boot,/sbin/rc.boot,1){1114146,1}
  + PHASE=1
  + + bootinfo -p
  exec(/usr/sbin/bootinfo,-p){1179684,1114146}
  PLATFORM=chrp
  + [ ! -x /usr/lib/boot/bin/bootinfo_chrp ]
  + [ 1 -eq 1 ]
  + 1> /usr/lib/libc.a
  + init -c unlink /usr/lib/boot/bin/!(*_chrp)
  exec(/etc/init,-c,unlink /usr/lib/boot/bin/!(*_chrp)){1179686,1114146}
  + chramfs -t
  exec(/usr/sbin/chramfs,-t){1179688,1114146}
  + init -c unlink /usr/sbin/chramfs
  + 1> /dev/null
  exec(/etc/init,-c,unlink /usr/sbin/chramfs){1179690,1114146}
  + + bootinfo -t
  exec(/usr/sbin/bootinfo,-t){1179692,1114146}
  BOOTYPE=3
  + [ 0 -ne 0 ]
  + [ -z 3 ]
  + unset pdev_to_ldev undolt native_netboot_cfg
  + unset disknet_odm_init config_ATM
  + /usr/lib/methods/showled 0x510 DEV CFG 1 START
  exec(/usr/lib/methods/showled,0x510,DEV CFG 1 START){1179694,1114146}
  + cfgmgr -f -v
  exec(/usr/sbin/cfgmgr,-f,-v){1179696,1114146}
  cfgmgr is running in phase 1
  ----------------
  Time: 0 LEDS: 0x538
  Invoking top level program -- "/etc/methods/defsys"
  exec(/bin/sh,-c,/etc/methods/defsys ){1245222,1179696}
  exec(/etc/methods/defsys){1245222,1179696}
  exec(/bin/sh,-c,/usr/lib/methods/define_rspc -n -c sys -s node -t 
chrp){1310760,1245222}
  exec(/usr/lib/methods/define_rspc,-n,-c,sys,-s,node,-t,chrp){1310760,1245222}
  Time: 0 LEDS: 0x539
  Return code = 0
  ***** stdout *****
  sys0

  *** no stderr ****
  ----------------
  Attempting to configure device 'sys0'
  Time: 0 LEDS: 0x811
  Invoking /usr/lib/methods/cfgsys_chrp -1 -l sys0
  exec(/bin/sh,-c,/usr/lib/methods/cfgsys_chrp -1 -l sys0){1245224,1179696}
  Number of running methods: 1
  exec(/usr/lib/methods/cfgsys_chrp,-1,-l,sys0){1245224,1179696}
  LED{A20}
  Illegal Trap Instruction Interrupt in Kernel
  04151A74      tweqi    r0,0                r0=0
  KDB(0)>

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