This is the result at the same breakpoint under 3.1.0 (note the difference in the TLB) (notably Segment Lookaside Buffer entry #1)
(qemu) info tlb info tlb SLB ESID VSID 0 0x0000000008000000 0x0000000004002400 1 0xf000000028000000 0x0000000802001080 3 0xf100050008000000 0x4000005000000400 4 0xf100100008000000 0x4000010000000400 5 0xf100080008000000 0x4000008000000400 6 0xf100010008000000 0x4000001000000400 7 0xf200800008000000 0x4000810000000400 11 0xfffff00000000000 0x000000001a3e5080 12 0xfffff10000000000 0x0000000824012080 13 0xfffff20000000000 0x0000000806003080 19 0x0ffffffff8000000 0x0000000804002c80 20 0xf100060008000000 0x4000006000000400 21 0xf100000008000000 0x4000000000000400 (qemu) info registers info registers NIP 000000000008f418 LR 0000000000234e38 CTR 0000000000256b20 XER 0000000020040008 CPU#0 MSR 8000000000001032 HID0 0000000000000000 HF 8000000000000030 iidx 1 didx 1 TB 00000003 14758239312 DECR 02912440 GPR00 0000000000000000 f1000816b0036890 00000000032b5d20 0000000003380000 GPR04 f100100a00000000 f1000816b0036cf0 f00000002ff47600 0000000000000017 GPR08 0000000000001000 0000000000000000 0000000000000000 0000000000000000 GPR12 f1000117d7fad000 f1000117d7faf800 f00000002ff47600 0000000003380000 GPR16 f1000816b0036d00 0000000002004018 000000000000003d f1000800802de000 GPR20 0000000f10008008 0000000000000000 f100100a10000000 0000000000000800 GPR24 0000000000000000 00000000000034e0 f1000117d7faf000 0000000000000001 GPR28 0000000000000000 f00000002ff47600 f1000117d7fb0800 f1000117d7faf800 CR 22022480 [ E E - E E G L - ] RES ffffffffffffffff FPR00 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR04 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR08 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR12 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR16 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR20 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR24 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPR28 0000000000000000 0000000000000000 0000000000000000 0000000000000000 FPSCR 0000000000000000 SRR0 000000000031dec4 SRR1 8000000000009032 PVR 00000000004e1200 VRSAVE 0000000000000000 SPRG0 0000000003380000 SPRG1 f1000816b0036d00 SPRG2 0000000003380ce8 SPRG3 0000000100000000 SPRG4 0000000000000000 SPRG5 0000000000000000 SPRG6 0000000000000000 SPRG7 0000000000000000 HSRR0 0000000000000000 HSRR1 0000000000000000 CFAR 0000000000234e34 LPCR 000000000001f008 PTCR 0000000000000000 DAR f1000800802de000 DSISR 0000000042000000 -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1829682/+subscriptions
