[Bug 1439280] Re: Libvirt CPU affinity error
@Matt: Since you're farily certain that this is specific to Ubuntu, then I hope Ubuntu's Nova package maintainers will take a look. . . -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nova in Ubuntu. https://bugs.launchpad.net/bugs/1439280 Title: Libvirt CPU affinity error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nova/+bug/1439280/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1439280] Re: Libvirt CPU affinity error
Matt, you're right, allow me to correct myself below. Short: I still
cannot reproduce it.
I just tested it below in a Single node DevStack with today's Nova
git with the Nova instance being QEMU emulated, but I cannot reproduce
the said failure in this bug description.
Test environment
$ uname -r; rpm -q libvirt-daemon-kvm qemu-system-x86
4.0.0-0.rc5.git4.1.fc22.x86_64
libvirt-daemon-kvm-1.2.13-2.fc22.x86_64
qemu-system-x86-2.3.0-0.2.rc1.fc22.x86_64
I'm at these commits in my All-In-One DevStack environment:
cinder:
commit c7ca4b95b56539dd560dc88038ab994d50c8394d
devstack:
commit 72bdc8c27102db3b65651ded3a9944798238a2d4
glance:
commit f84e49db5a455b36901b642125b5cf850f90c81d
keystone:
commit af568dd1afdcdc9ed7275a2824a2ca5ca50b004c
neutron:
commit 483de6313fab5913f9e68eb24afe65c36bd9b623
nova:
commit 74ca660ab688e15ccd59ddfbfcdc9e1cecdc553d
requirements:
commit 56ab196ad1fb0e356d3fe0ec63e744ed10104a5d
Test
$ nova flavor-show 1
++-+
| Property | Value |
++-+
| OS-FLV-DISABLED:disabled | False |
| OS-FLV-EXT-DATA:ephemeral | 0 |
| disk | 1 |
| extra_specs| {} |
| id | 1 |
| name | m1.tiny |
| os-flavor-access:is_public | True|
| ram| 512 |
| rxtx_factor| 1.0 |
| swap | |
| vcpus | 1 |
++-+
Boot the instance:
$ nova boot --config-drive false --flavor 1 \
--key_name oskey1 --image cirros-0.3.3-x86_64-disk cirrvm1
Nova instance's guest XML attached.
That's the QEMU invocation
--
$ ps -ef | grep qemu-system-x86_64
qemu 2889 1 14 11:12 ?00:00:11 /usr/bin/qemu-system-x86_64
-name instance-0001 -S -machine pc-i440fx-2.3,accel=tcg,usb=off -m 512
-realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid
cc5cae21-129b-4c63-b8e9-c642a871efdf -smbios type=1,manufacturer=OpenStack
Foundation,product=OpenStack
Nova,version=2015.1,serial=d23b2cbb-f02d-4a8e-b6dd-184a86aa8348,uuid=cc5cae21-129b-4c63-b8e9-c642a871efdf
-nographic -no-user-config -nodefaults -chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/instance-0001.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown
-boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive
file=/home/kashyapc/src/cloud/data/nova/instances/cc5cae21-129b-4c63-b8e9-c642a871efdf/disk,if=none,id=drive-virtio-disk0,format=qcow2,cache=none
-device
virtio-blk-pci,scsi=off,bus=pci.0,addr=0x3,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
-netdev tap,fd=24,id=hostnet0 -device
virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:d1:f0:3e,bus=pci.0,addr=0x2
-chardev
file,id=charserial0,path=/home/kashyapc/src/cloud/data/nova/instances/cc5cae21-129b-4c63-b8e9-c642a871efdf/console.log
-device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1
-device isa-serial,chardev=charserial1,id=serial1 -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4 -msg timestamp=on
** Attachment added: "Nova instance's (QEMU emulated) libvirt guest XML."
https://bugs.launchpad.net/ubuntu/+source/nova/+bug/1439280/+attachment/4370604/+files/nova-instance-qemu-emulated.xml.txt
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https://bugs.launchpad.net/bugs/1439280
Title:
Libvirt CPU affinity error
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[Bug 1439280] Re: Libvirt CPU affinity error
Yes, to test CPU pinning/NUMA with libvirt you ought to use Nested KVM. Please report results after testing with that. That said, some notes below. Quoting Dan Berrange from a different review with a complete response on *why*: It is fundamentally impossible to test CPU pinning with TCG (aka plain QEMU) because TCG only has a single thread for all virtual CPUs. As such there is no mechanism to pin vCPU threads with TCG. Nested KVM is thus the only possible option for testing any of the NUMA / CPU pinning stuff. Instructions for nested KVM setup on a KVM host are documented here http://docs.openstack.org/developer/nova/devref/testing/libvirt- numa.html#provisioning-a-virtual-machine-for-testing >From my testing, a Nova guest booted with a NUMA flavor, will have the below contextual XML snippets w.r.t vCPU placement: . . . 4 . . . . . . Here's the working example XMLs from my testing. Libvirt XML for the guest hypervisor (also called L1), running DevStack and will host Nova instances which are nested guests: https://kashyapc.fedorapeople.org/virt/openstack/nova-libvirt-numa- testing/devstack-vm-libvirt.xml And, Nova guest XML, booted with a NUMA flavor: https://kashyapc.fedorapeople.org/virt/openstack/nova-libvirt-numa- testing/nova-guest-libvirt.xml ** Changed in: nova (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nova in Ubuntu. https://bugs.launchpad.net/bugs/1439280 Title: Libvirt CPU affinity error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nova/+bug/1439280/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1268072] Re: byobu color prompt doesn't work correctly
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[Bug 1030238] Re: samba not installing in 11.04
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1030238 Title: samba not installing in 11.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1030238/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1030238] [NEW] samba not installing in 11.04
Public bug reported: Samba could not upgrade to a higher version from the ubuntu updates and the samba server stopped working ProblemType: Package DistroRelease: Ubuntu 11.04 Package: samba 2:3.5.8~dfsg-1ubuntu2.5 ProcVersionSignature: Ubuntu 2.6.38-15.60-generic 2.6.38.8 Uname: Linux 2.6.38-15-generic i686 NonfreeKernelModules: wl Architecture: i386 BothFailedConnect: Yes Date: Sat Jul 28 12:57:53 2012 ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1) NmbdLog: Packet send failed to 192.168.2.255(138) ERRNO=Invalid argument Packet send failed to 192.168.2.255(137) ERRNO=Network is unreachable send_netbios_packet: send_packet() to IP 192.168.2.255 port 137 failed query_name: Failed to send packet trying to query name WORKGROUP<1d> Packet send failed to 192.168.2.255(138) ERRNO=Invalid argument SambaServerRegression: Yes SmbConfIncluded: Yes SmbLog: SourcePackage: samba Title: package samba 2:3.5.8~dfsg-1ubuntu2.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to natty on 2011-10-21 (280 days ago) ** Affects: samba (Ubuntu) Importance: Undecided Status: New ** Tags: apport-package i386 natty -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to samba in Ubuntu. https://bugs.launchpad.net/bugs/1030238 Title: samba not installing in 11.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1030238/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 707436] Re: package postfix 2.5.5-1.1 failed to install/upgrade: subprocess pre-installation script returned error exit status 1
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[Bug 707436] [NEW] package postfix 2.5.5-1.1 failed to install/upgrade: subprocess pre-installation script returned error exit status 1
Public bug reported: Binary package hint: postfix When I was installing xmms2 I got this error ProblemType: Package Architecture: i386 DistroRelease: Ubuntu 9.04 ErrorMessage: subprocess pre-installation script returned error exit status 1 Package: postfix 2.5.5-1.1 SourcePackage: postfix Title: package postfix 2.5.5-1.1 failed to install/upgrade: subprocess pre-installation script returned error exit status 1 Uname: Linux 2.6.28-11-generic i686 ** Affects: postfix (Ubuntu) Importance: Undecided Status: New ** Tags: apport-package i386 -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix in ubuntu. https://bugs.launchpad.net/bugs/707436 Title: package postfix 2.5.5-1.1 failed to install/upgrade: subprocess pre- installation script returned error exit status 1 -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
