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[Qemu-devel] [Bug 1829682] Re: QEMU PPC SYSTEM regression - 3.1.0 and GI

From: Ivan Warren
Subject: [Qemu-devel] [Bug 1829682] Re: QEMU PPC SYSTEM regression - 3.1.0 and GIT - Fail to boot AIX
Date: Wed, 22 May 2019 14:27:13 -0000

Currently at :
QEMU emulator version 4.0.50 (v2.8.0-rc0-19525-ga4f667b671-dirty)
Copyright (c) 2003-2019 Fabrice Bellard and the QEMU Project developers

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  QEMU PPC SYSTEM regression - 3.1.0 and GIT - Fail to boot AIX

Status in QEMU:

Bug description:
  Built from source on a debian system

  Linux db08 4.9.0-8-amd64 #1 SMP Debian 4.9.130-2 (2018-10-27) x86_64 GNU/Linux
  gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)

  Last git commit (from queued gdibson repository)

  starting AIX 7.2 TL 2 SP 2 with the following : (the install was done
  under qemu 3.1.0)

  qemu-system-ppc64 -M pseries \
      -cpu power7 \
      -cdrom AIX_v7.2_Install_7200-02-02-1806_DVD_1_of_2_32018.iso \
      -net nic \
      -net tap,ifname=tap2,script=no \
      -drive file=DISK1.IMG,if=none,id=drive-virtio-disk0 \
      -device virtio-scsi-pci,id=scsi -device scsi-hd,drive=drive-virtio-disk0 \
      -m 4G \
      -serial stdio \
      -monitor unix:ms,server,nowait \
      -accel tcg \
      -k fr \
      -nographic \
      -prom-env input-device=/vdevice/address@hidden \
      -prom-env output-device=/vdevice/address@hidden \
      -prom-env diag-switch?=false \
      -prom-env boot-command="boot 
/address@hidden/address@hidden/address@hidden -s verbose"

  Yields this :

  ^[[1mQEMU Starting^M
  ^[[0m Build Date = Jan 14 2019 18:00:39^M
   FW Version = git-a5b428e1c1eae703^M
   Press "s" to enter Open Firmware.^M^M
 /vdevice methods^M
  Populating /vdevice/address@hidden
  Populating /vdevice/address@hidden
  Populating /vdevice/address@hidden
  Populating /vdevice/address@hidden
         SCSI: Looking for devices^M
            8200000000000000 CD-ROM   : "QEMU     QEMU CD-ROM      2.5+"^M
  C05A0^MPopulating /address@hidden
                       00 0000 (D) : 1234 1111    qemu vga^M
                       00 0800 (D) : 1033 0194    serial bus [ usb-xhci ]^M
                       00 1000 (D) : 1af4 1004    virtio [ scsi ]^M
  Populating /address@hidden/address@hidden
         SCSI: Looking for devices^M
            100000000000000 DISK     : "QEMU     QEMU HARDDISK    2.5+"^M
  C0600^MC06C0^MC0700^MC0800^MC0880^MC0890^MC08A0^MC08A8^MInstalling QEMU fb^M
  C08B0^MScanning USB ^M
    XHCI: Initializing^M
      USB Keyboard ^M
      USB mouse ^M
  C08C0^MC08D0^MNo console specified using screen & keyboard^M
  User selected input-device console: /vdevice/address@hidden
  User selected output-device console: /vdevice/address@hidden
  C08E0^MC08E8^MC08FF^M     ^M
    Welcome to Open Firmware^M
    Copyright (c) 2004, 2017 IBM Corporation All rights reserved.^M
    This program and the accompanying materials are made available^M
    under the terms of the BSD License available at^M
  Trying to load: -s verbose from: 
/address@hidden/address@hidden/address@hidden ...   Successfully loaded^M
                          ---> qemu,pseries detected <---^M
                                  Welcome to AIX.^M
                     boot image timestamp: 05:56:13 04/20/2019^M
          processor count: 1;  memory size: 4096MB;  kernel size: 38426884^M
           boot device: /address@hidden/address@hidden/address@hidden
  8000FFEC bytes of free memory remain at address 7FFF0014^M
  load address: 0x00004000   aixmon size: 0x000D2C00   boot image size: 
  ^LAIX vm,uuid property contains invalid data^Mload address: 0x00004000   
aixmon size: 0x000D2C00   boot image size: 0x01A6B430^M
  ^LAIX vm,uuid property contains invalid data^M
  get_ppp return code: 0xFFFFFFFE^M
  AKVM: hcall-multi-tce detected but overridden, allow with "multce" boot 
  The temporary memory region list is at 1 percent capacity.^M
  The temporary IPLCB is at 1 percent capacity.^M
  The IPLCB address is 0x0FFF9000^M
  name                 offset           size^M
  ipl_cb_and_bit_map 00000000 ......00005958^M
  bit_map........... 00000790 ......00000006^M
  ipl_info.......... 000001C8 ......00000024^M
  splpar_info....... 000001EC ......00000048^M
  system_info....... 00000234 ......000000C4^M
  processor_info.... 000002F8 ......00000148^M
  lpar_id_info...... 00000440 ......00000088^M
  dr_proc_info...... 000004C8 ......00000008^M
  dr_mem_info....... 000004D0 ......00000028^M
  lpar_info......... 000004F8 ......00000014^M
  segment page...... 00000518 ......00000028^M
  processor page.... 00000540 ......00000010^M
  res_asso_id....... 00000550 ......00000050^M
  res_asso_group.... 000005A0 ......00000048^M
  asso_ref_pnt...... 000005E8 ......00000010^M
  residual.......... 00000820 ......00005138^M
  fwad_info......... 000005F8 ......00000040^M
  contig mem rsv.... 00000738 ......00000058^M
      region address      region length       attr  label^M
  0   0x0000000000000000  0x000000000FFF7000  0x01  0x01^M
  1   0x000000000FFF7000  0x0000000000002000  0x01  0x03^M
  2   0x000000000FFF9000  0x0000000000006000  0x01  0x02^M
  3   0x000000000FFFF000  0x0000000000000014  0x00  0x05^M
  4   0x000000000FFFF014  0x00000000F0000FEC  0x01  0x01^M
  5   0x0000000100000000  0xFFFFFFFF00000000  0x00  0x07^M
  0000012C bytes of free memory remain at address 00004000^M
  compressed kernel addr: D6C00;  sz: 98CE33;  uncompressed kernel addr:  
           name     source       dest       size   flags^M
   0      .data   1e6f9840    2000000    12bdd20     1^M
   1    basecfg    1b04000    fff5000       15d9     1^M
   2      ramfs     a63a30    efe9000    100b82a     1^M
   3      .text   1db59840      d6c00     ba0000     1^M
   4       .ldr   1f9b7560     c77000      a9523     1^M
   5     symtab   1fe0aaf4     d21000     1f4410     1^M
   6  kern. hdr   1db59600          0        240     1^M
   7       .bss          0    32bdd20    27222e0     2^M
  free space between BSS and RAM filesystem: 09609000^M
  entry_point: 0x000D6C28^M
                         kernel debugger setting: enabled^M
  Data Storage Interrupt - PROC^M
  .dispatch+000098              lwz    r0,1830(r6)         

  (apologies for all the ^M - they are emitted by qemu or AIX - not

  Using the same command to boot AIX from 3.1.0 works (no DSI
  Interrupt). - Other problems occur later, but no Kernel interrupt,
  only user space problems - and that's another problem - but one at a
  time !


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