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[Qemu-ppc] AIX 7.1 boot sys0 error on qemu-ppc64


From: Pavel Jirout
Subject: [Qemu-ppc] AIX 7.1 boot sys0 error on qemu-ppc64
Date: Sat, 15 Sep 2018 23:39:29 +0200


Hello with the following Qemu version:
QEMU emulator version 3.0.50 (v3.0.0-614-g19b599f766-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

There is a crash in sys0 related query during boot

exec(/usr/lib/methods/cfgsys_chrp,-1,-l,sys0){1245224,1179696}
Trying to read invalid spr 280 (0x118) at 0000000000557bbc
LED{A20}
Trying to read invalid spr 280 (0x118) at 0000000000539e4c
Illegal Trap Instruction Interrupt in Kernel
058B2AAC      tweqi    r0,0                r0=0


Full trace below


address@hidden:/home/user/KVM/AIX# qemu-system-ppc64 -cpu POWER8 -machine pseries -m 2048 -serial stdio   -d unimp,guest_errors -drive file=disk.img,if=none,id=drive-virtio-disk0 -device virtio-scsi-pci,id=scsi -device scsi-hd,drive=drive-virtio-disk0  -cdrom aix71.01.iso  -prom-env boot-command='boot cdrom: -s verbose'


SLOF **********************************************************************
QEMU Starting
 Build Date = Jul  2 2018 16:18:22
 FW Version = git-9b7ab2fa020341de
 Press "s" to enter Open Firmware.

Populating /vdevice methods
Populating /vdevice/address@hidden
Populating /vdevice/address@hidden
Populating /vdevice/address@hidden
Populating /vdevice/address@hidden
       SCSI: Looking for devices
          8200000000000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"
Populating /address@hidden
                     00 0000 (D) : 1234 1111    qemu vga
                     00 0800 (D) : 1033 0194    serial bus [ usb-xhci ]
                     00 1000 (D) : 1af4 1004    virtio [ scsi ]
Populating /address@hidden/address@hidden
       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/address@hidden/address@hidden: ...   Successfully loaded

AIX Unimplemented SPAPR hcall 0x00000000000000ec
Unimplemented SPAPR hcall 0x000000000000f003

StarUnimplemented SPAPR hcall 0x00000000000000ec
LED{814}

AIX Version 7.1
exec(/etc/init){1,0}
Unimplemented SPAPR hcall 0x00000000000002b8

INIT: EXECUTING /sbin/rc.boot 1
exec(/usr/bin/sh,-c,/sbin/rc.boot 1){1114146,1}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
exec(/sbin/rc.boot,/sbin/rc.boot,1){1114146,1}
Unimplemented SPAPR hcall 0x00000000000002b8
+ PHASE=1
+ Unimplemented SPAPR hcall 0x00000000000002b8
+ bootinfo -p
exec(/usr/sbin/bootinfo,-p){1179684,1114146}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
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}
Unimplemented SPAPR hcall 0x00000000000002b8
+ chramfs -t
Unimplemented SPAPR hcall 0x00000000000002b8
exec(/usr/sbin/chramfs,-t){1179688,1114146}
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
+ init -c unlink /usr/sbin/chramfs
+ 1> /dev/null
exec(/etc/init,-c,unlink /usr/sbin/chramfs){1179690,1114146}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
+ + bootinfo -t
exec(/usr/sbin/bootinfo,-t){1179692,1114146}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
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}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
+ cfgmgr -f -v
exec(/usr/sbin/cfgmgr,-f,-v){1179696,1114146}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
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}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
exec(/etc/methods/defsys){1245222,1179696}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
exec(/bin/sh,-c,/usr/lib/methods/define_rspc -n -c sys -s node -t chrp){1310760,1245222}
Unimplemented SPAPR hcall 0x00000000000002b8
exec(/usr/lib/methods/define_rspc,-n,-c,sys,-s,node,-t,chrp){1310760,1245222}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Time: 0    LEDS: 0x539
Return code = 0
***** stdout *****
sys0

*** no stderr ****
Unimplemented SPAPR hcall 0x00000000000002b8
----------------
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
Unimplemented SPAPR hcall 0x00000000000002b8
exec(/usr/lib/methods/cfgsys_chrp,-1,-l,sys0){1245224,1179696}
Unimplemented SPAPR hcall 0x00000000000002b8
Unimplemented SPAPR hcall 0x00000000000002b8
Trying to read invalid spr 280 (0x118) at 0000000000557bbc
LED{A20}
Trying to read invalid spr 280 (0x118) at 0000000000539e4c
Illegal Trap Instruction Interrupt in Kernel
058B2AAC      tweqi    r0,0                r0=0
KDB(0)> exit
WARNING: System Crashed!!
To continue this command, you will lose the debug session!!
Do you want to continue? (y/[n]):> y
Warning DABR write failed
LED{FFF}


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