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QEMU-SYSTEM-PPC64 Regression QEMU-4.0.0
I have been using QEMU-SYSTEM-PPC64 v3.1.0 to run CentOS7 PPC emulated system. It stopped working when I upgraded to QEMU-4.0.0 . I downgraded back to QEMU-3.1.0 and it started working again. The problem is that my CentOS7 image will not boot up udner QEMU-4.0.0, but works fine under QEMU-3.1.0.
I have an QCOW2 image available at https://www.mediafire.com/file/d8dda05ro85whn1/linux-centos7-ppc64.qcow2/file . NOTE: It is 15GB. Kind of large.
I run it as follows:
qemu-system-ppc64 \
-name "CENTOS7-PPC64" \
-cpu POWER7 -machine pseries \
-m 4096 \
-netdev bridge,id=netbr0,br=br0 \
-device e1000,netdev=netbr0,mac=52:54:3c:13:21:33 \
-hda "./linux-centos7-ppc64.qcow2" \
-monitor stdio
HOST: I am using Manjaro Linux on an Intel i7 machine with the QEMU packages installed via the package manager of the distribution.
[jsantiago@jlsws0 ~]$ uname -a
Linux jlsws0.haivision.com 4.19.42-1-MANJARO #1 SMP PREEMPT Fri May 10 20:52:43 UTC 2019 x86_64 GNU/Linux
jsantiago@jlsws0 ~]$ cpuinfo
Intel(R) processor family information utility, Version 2019 Update 3 Build 20190214 (id: b645a4a54)
Copyright (C) 2005-2019 Intel Corporation. All rights reserved.
===== Processor composition =====
Processor name : Intel(R) Core(TM) i7-6700K
Packages(sockets) : 1
Cores : 4
Processors(CPUs) : 8
Cores per package : 4
Threads per core : 2
===== Processor identification =====
Processor Thread Id. Core Id. Package Id.
0 0 0 0
1 0 1 0
2 0 2 0
3 0 3 0
4 1 0 0
5 1 1 0
6 1 2 0
7 1 3 0
===== Placement on packages =====
Package Id. Core Id. Processors
0 0,1,2,3 (0,4)(1,5)(2,6)(3,7)
===== Cache sharing =====
Cache Size Processors
L1 32 KB (0,4)(1,5)(2,6)(3,7)
L2 256 KB (0,4)(1,5)(2,6)(3,7)
L3 8 MB (0,1,2,3,4,5,6,7)
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