It might be a red herring...
The AIX Boot procedure under 3.1.0 issues a
LED{814}
which it doesn't issue under 4.0.50 (so a different path is taken at
some point by the AIX kernel)
First I need to determine what AIX code 814 stands for (but it could be
auxiliary)
Before going into the ".dispatch+98" (0x8f418) - so something else must
be different between 3.1.0 and 4.0.50...
I'm probably going to have to "git bisect" this, but that's not going to
be easy (the build in itself takes quite a while, although I could
optimize it to just include the ppc64 TCG version).
Apologies for anyone receiving notifications for this, but I'd really
like this to work !
--
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https://bugs.launchpad.net/bugs/1829682
Title:
QEMU PPC SYSTEM regression - 3.1.0 and GIT - Fail to boot AIX
Status in QEMU:
New
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/vty@71000000 \
-prom-env output-device=/vdevice/vty@71000000 \
-prom-env diag-switch?=false \
-prom-env boot-command="boot
/pci@800000020000000/scsi@2/disk@100000000000000 -s verbose"
Yields this :
^M
SLOF^[[0m^[[?25l
**********************************************************************^M
^[[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
^M^M
^[[0m^[[?25hC0000^MC0100^MC0120^MC0140^MC0200^MC0240^MC0260^MC02E0^MC0300^MC0320^MC0340^MC0360^MC0370^MC0380^MC0371^MC0372^MC0373^MC0374^MC03F0^MC0400^MC0480^MC04C0^MC04D0^MC0500^MPopulating
/vdevice methods^M
Populating /vdevice/vty@71000000^M
Populating /vdevice/nvram@71000001^M
Populating /vdevice/l-lan@71000002^M
Populating /vdevice/v-scsi@71000003^M
SCSI: Looking for devices^M
8200000000000000 CD-ROM : "QEMU QEMU CD-ROM 2.5+"^M
C05A0^MPopulating /pci@800000020000000^M
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 /pci@800000020000000/scsi@2^M
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
^M
^M
^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/vty@71000000^M
User selected output-device console: /vdevice/vty@71000000^M
C08E0^MC08E8^MC08FF^M ^M
Welcome to Open Firmware^M
^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
http://www.opensource.org/licenses/bsd-license.php^M
^M
^M
Trying to load: -s verbose from:
/pci@800000020000000/scsi@2/disk@100000000000000 ... Successfully loaded^M
^M
---> qemu,pseries detected <---^M
^M
^M
^M
^M
^M
^M
^M
-------------------------------------------------------------------------------^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: /pci@800000020000000/scsi@2/disk@100000000000000^M
^M
8000FFEC bytes of free memory remain at address 7FFF0014^M
load address: 0x00004000 aixmon size: 0x000D2C00 boot image size:
0x01A6B430^M
^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
^M
AKVM: hcall-multi-tce detected but overridden, allow with "multce" boot
argument^M
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
----------------------------^M
^M
0000012C bytes of free memory remain at address 00004000^M
compressed kernel addr: D6C00; sz: 98CE33; uncompressed kernel addr:
1DB59600^M
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
^M
entry_point: 0x000D6C28^M
kernel debugger setting: enabled^M
-------------------------------------------------------------------------------^M
^LStarLED{A20}^M
Data Storage Interrupt - PROC^M
.dispatch+000098 lwz r0,1830(r6)
r0=0,1830(r6)=F00000002FF48E30^M
KDB(0)>
(apologies for all the ^M - they are emitted by qemu or AIX - not
sure)
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 !
--Ivan
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