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Qemu cmdline core dumped with more(8193 or more) cpus
---Debugger---
A debugger is not configured
---Steps to Reproduce---
---Problem Description---
Qemu cmdline core dumped with more(8193 or more) cpus
---Debugger---
A debugger is not configured
---Steps to Reproduce---
Qemu cmdline core dumped when more number of CPUs were given.
[root@ltcmihawk39 ~]# qemu-system-ppc64 -accel tcg -smp 10,maxcpus=9000
**
ERROR:../tcg/region.c:782:tcg_region_init: assertion failed: (region_size >= 2 * page_size)
Bail out! ERROR:../tcg/region.c:782:tcg_region_init: assertion failed: (region_size >= 2 * page_size)
Aborted (core dumped)
Expected Result:
Warning message like "Number of cpus requested exceeds the cpus supported"
Actual Result:
core dumped
Steps to Reproduce:
--------------------
1. Clone the upstream qemu from https://gitlab.com/qemu-project/qemu.git
2. Compile qemu with below steps.
cd qemu/
git submodule init
git submodule update --recursive
./configure --target-list=ppc64-softmmu --prefix=/usr
make
make install
3. set maxcpus=8193 or more
[root@ltcmihawk39 ~]# qemu-system-ppc64 --version
QEMU emulator version 8.0.94 (v8.1.0-rc4)
Copyright (c) 2003-2023 Fabrice Bellard and the QEMU Project developers
NOTE: This behavior is observed only when qemu is built without disabling the tcg.
Contact Information = <email address hidden>
Machine Type = x
---uname output---
x
Action needed
Our IBM Dev want to include this patch in latest Canonical distro.
Need the distro to review and integrate fixes provided by IBM
https://github.com/qemu/qemu/commit/c4f91d7b7be76c47015521ab0109c6e998a369b0
Need to include this commit in latest Canonical distro.
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