Qemu cmdline core dumped with more(8193 or more) cpus
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
The Ubuntu-power-systems project |
Fix Released
|
High
|
Ubuntu on IBM Power Systems Bug Triage | ||
qemu (Ubuntu) |
Fix Released
|
High
|
Sergio Durigan Junior | ||
Noble |
Fix Released
|
High
|
Sergio Durigan Junior |
Bug Description
---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:.
Bail out! ERROR:.
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:/
2. Compile qemu with below steps.
cd qemu/
git submodule init
git submodule update --recursive
./configure --target-
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:/
Need to include this commit in latest Canonical distro.
Related branches
- git-ubuntu bot: Approve
- Andreas Hasenack: Approve
- Canonical Server Reporter: Pending requested
-
Diff: 197 lines (+169/-0)4 files modifieddebian/changelog (+7/-0)
debian/patches/series (+2/-0)
debian/patches/ubuntu/lp-2055003-introduce-SPAPR_IRQ_NR_IPIS.patch (+84/-0)
debian/patches/ubuntu/lp-2055003-ppc64el-coredump-8193-vcpus.patch (+76/-0)
tags: | added: architecture-ppc64le bugnameltc-205716 severity-high targetmilestone-inin--- |
Changed in ubuntu: | |
assignee: | nobody → Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) |
affects: | ubuntu → qemu (Ubuntu) |
no longer affects: | qemu |
Changed in ubuntu-power-systems: | |
assignee: | nobody → Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) |
Changed in qemu (Ubuntu): | |
assignee: | Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) → nobody |
Changed in ubuntu-power-systems: | |
importance: | Undecided → High |
Changed in qemu (Ubuntu): | |
importance: | Undecided → High |
tags: | added: noble |
Changed in ubuntu-power-systems: | |
status: | New → Triaged |
Changed in qemu (Ubuntu Noble): | |
status: | New → Triaged |
Changed in qemu (Ubuntu Noble): | |
assignee: | nobody → Sergio Durigan Junior (sergiodj) |
tags: | added: server-todo |
tags: | added: patch |
Changed in ubuntu-power-systems: | |
status: | Triaged → Fix Released |
FWIW, this bug tracker is not used for qemu for a long time. See https:/ /gitlab. com/qemu- project/ qemu/ instead.