| Summary: | backport vcpu soft limit warning | |||
|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Andrew Jones <drjones> | |
| Component: | qemu-kvm | Assignee: | Andrew Jones <drjones> | |
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Virtualization Bugs <virt-bugs> | |
| Severity: | unspecified | Docs Contact: | ||
| Priority: | unspecified | |||
| Version: | 7.0 | CC: | acathrow, huding, juzhang, michen, virt-maint, xfu | |
| Target Milestone: | rc | |||
| Target Release: | --- | |||
| Hardware: | Unspecified | |||
| OS: | Unspecified | |||
| Whiteboard: | ||||
| Fixed In Version: | qemu-kvm-1.5.3-9.el7 | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | ||
| Clone Of: | ||||
| : | 1010882 (view as bug list) | Environment: | ||
| Last Closed: | 2014-06-13 11:22:00 UTC | Type: | Bug | |
| Regression: | --- | Mount Type: | --- | |
| Documentation: | --- | CRM: | ||
| Verified Versions: | Category: | --- | ||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | ||
| Cloudforms Team: | --- | Target Upstream Version: | ||
| Bug Depends On: | ||||
| Bug Blocks: | 1010882 | |||
|
Description
Andrew Jones
2013-09-23 09:01:19 UTC
Fix included in qemu-kvm-1.5.3-9.el7 Reproduce this bug using the following version: qemu-kvm-1.5.3-8.el7.x86_64 kernel-3.10.0-63.el7.x86_64 Steps to Reproduce: 1. Start a guest with 255 vcpus # /usr/libexec/qemu-kvm -M pc -cpu SandyBridge -enable-kvm -m 2048 -smp 255 -name rhel7 -uuid 6afa5f93-2d4f-420f-81c6-e5fdddbd1c83 -drive file=/home/RHEL-Server-7.0-64-virtio.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,serial=40c061dd-5d60-4fc5-865f-55db700407f0,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0 -vnc :1 -monitor stdio -spice port=5900,disable-ticketing -qmp tcp:0:4445,server,nowait -netdev tap,id=hostnet0,ifname=guest13,script=/etc/ovs-ifup,downscript=/etc/ovs-ifdown,vhost=on -device virtio-net,netdev=hostnet0,mac=54:52:1b:35:3c:16,id=test Actual results: After step1, there is no warning information. Verify this bug using the following version: qemu-kvm-1.5.3-21.el7.x86_64 kernel-3.10.0-63.el7.x86_64 Steps to Reproduce: 1. Start a guest with 255 vcpus # /usr/libexec/qemu-kvm -M pc -cpu SandyBridge -enable-kvm -m 2048 -smp 255 -name rhel7 -uuid 6afa5f93-2d4f-420f-81c6-e5fdddbd1c83 -drive file=/home/RHEL-Server-7.0-64-virtio.qcow2,if=none,id=drive-virtio-disk0,format=qcow2,serial=40c061dd-5d60-4fc5-865f-55db700407f0,werror=stop,rerror=stop,aio=threads -device virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0 -vnc :1 -monitor stdio -spice port=5900,disable-ticketing -qmp tcp:0:4445,server,nowait -netdev tap,id=hostnet0,ifname=guest13,script=/etc/ovs-ifup,downscript=/etc/ovs-ifdown,vhost=on -device virtio-net,netdev=hostnet0,mac=54:52:1b:35:3c:16,id=test Actual results: After step1, there are the following warning information: Warning: Number of SMP cpus requested (255) exceeds the recommended cpus supported by KVM (160) Warning: Number of hotpluggable cpus requested (255) exceeds the recommended cpus supported by KVM (160) QEMU 1.5.3 monitor - type 'help' for more information (qemu) Based on the above result, I think this bug is fixed. This request was resolved in Red Hat Enterprise Linux 7.0. Contact your manager or support representative in case you have further questions about the request. |