[Bug 1375833] [NEW] ppc64_cpu --smt=on doesn't work when running a KVM VM
Chris J Arges
1375833 at bugs.launchpad.net
Tue Sep 30 14:37:17 UTC 2014
Public bug reported:
[Test Case]
1) Disable smt using:
ppc64_cpu --smt=off
2) Start a KVM VM with something like the following:
qemu-system-ppc64 -enable-kvm -M pseries -cpu host -smp cores=8,threads=1 <more parameters>
3) Try to enable smt while the VM is running:
ppc64_cpu --smt=on
--
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: powerpc-ibm-utils 1.2.21-1
ProcVersionSignature: User Name 3.16.0-19.26-generic 3.16.3
Uname: Linux 3.16.0-19-generic ppc64le
ApportVersion: 2.14.7-0ubuntu2
Architecture: ppc64el
Date: Tue Sep 30 14:32:28 2014
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcLoadAvg: 5.50 6.48 6.30 8/1376 124674
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -1
ProcVersion: Linux version 3.16.0-19-generic (rtg at gloin) (gcc version 4.9.1 (User Name 4.9.1-4ubuntu1) ) #26 SMP Sat Sep 27 13:45:06 UTC 2014
SourcePackage: powerpc-ibm-utils
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT is off
** Affects: powerpc-ibm-utils (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug ppc64el uec-images utopic
** Description changed:
[Test Case]
1) Disable smt using:
- ppc64_cpu --smt=off
+ ppc64_cpu --smt=off
2) Start a KVM VM with something like the following:
qemu-system-ppc64 -enable-kvm -M pseries -cpu host -smp cores=8,threads=1 <more parameters>
3) Try to enable smt while the VM is running:
- ppc64_cpu --smt=on
+ ppc64_cpu --smt=on
What happens is that SMT is not enabled until you stop the VM.
+
+ If enabling SMT while using kvm_nv is not possible it would be good to
+ at least have an error message.
+
+ --
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: powerpc-ibm-utils 1.2.21-1
ProcVersionSignature: User Name 3.16.0-19.26-generic 3.16.3
Uname: Linux 3.16.0-19-generic ppc64le
ApportVersion: 2.14.7-0ubuntu2
Architecture: ppc64el
Date: Tue Sep 30 14:32:28 2014
ProcEnviron:
- TERM=xterm
- PATH=(custom, no user)
- XDG_RUNTIME_DIR=<set>
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
ProcLoadAvg: 5.50 6.48 6.30 8/1376 124674
ProcSwaps:
- Filename Type Size Used Priority
- /swap.img file 8388544 0 -1
+ Filename Type Size Used Priority
+ /swap.img file 8388544 0 -1
ProcVersion: Linux version 3.16.0-19-generic (rtg at gloin) (gcc version 4.9.1 (User Name 4.9.1-4ubuntu1) ) #26 SMP Sat Sep 27 13:45:06 UTC 2014
SourcePackage: powerpc-ibm-utils
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT is off
** Description changed:
[Test Case]
1) Disable smt using:
ppc64_cpu --smt=off
2) Start a KVM VM with something like the following:
qemu-system-ppc64 -enable-kvm -M pseries -cpu host -smp cores=8,threads=1 <more parameters>
3) Try to enable smt while the VM is running:
ppc64_cpu --smt=on
- What happens is that SMT is not enabled until you stop the VM.
-
- If enabling SMT while using kvm_nv is not possible it would be good to
- at least have an error message.
--
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: powerpc-ibm-utils 1.2.21-1
ProcVersionSignature: User Name 3.16.0-19.26-generic 3.16.3
Uname: Linux 3.16.0-19-generic ppc64le
ApportVersion: 2.14.7-0ubuntu2
Architecture: ppc64el
Date: Tue Sep 30 14:32:28 2014
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcLoadAvg: 5.50 6.48 6.30 8/1376 124674
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -1
ProcVersion: Linux version 3.16.0-19-generic (rtg at gloin) (gcc version 4.9.1 (User Name 4.9.1-4ubuntu1) ) #26 SMP Sat Sep 27 13:45:06 UTC 2014
SourcePackage: powerpc-ibm-utils
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT is off
** Description changed:
[Test Case]
1) Disable smt using:
ppc64_cpu --smt=off
2) Start a KVM VM with something like the following:
qemu-system-ppc64 -enable-kvm -M pseries -cpu host -smp cores=8,threads=1 <more parameters>
3) Try to enable smt while the VM is running:
ppc64_cpu --smt=on
-
--
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: powerpc-ibm-utils 1.2.21-1
ProcVersionSignature: User Name 3.16.0-19.26-generic 3.16.3
Uname: Linux 3.16.0-19-generic ppc64le
ApportVersion: 2.14.7-0ubuntu2
Architecture: ppc64el
Date: Tue Sep 30 14:32:28 2014
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcLoadAvg: 5.50 6.48 6.30 8/1376 124674
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -1
ProcVersion: Linux version 3.16.0-19-generic (rtg at gloin) (gcc version 4.9.1 (User Name 4.9.1-4ubuntu1) ) #26 SMP Sat Sep 27 13:45:06 UTC 2014
SourcePackage: powerpc-ibm-utils
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT is off
--
You received this bug notification because you are a member of Ubuntu
Foundations Bugs, which is subscribed to powerpc-ibm-utils in Ubuntu.
https://bugs.launchpad.net/bugs/1375833
Title:
ppc64_cpu --smt=on doesn't work when running a KVM VM
Status in “powerpc-ibm-utils” package in Ubuntu:
New
Bug description:
[Test Case]
1) Disable smt using:
ppc64_cpu --smt=off
2) Start a KVM VM with something like the following:
qemu-system-ppc64 -enable-kvm -M pseries -cpu host -smp cores=8,threads=1 <more parameters>
3) Try to enable smt while the VM is running:
ppc64_cpu --smt=on
--
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: powerpc-ibm-utils 1.2.21-1
ProcVersionSignature: User Name 3.16.0-19.26-generic 3.16.3
Uname: Linux 3.16.0-19-generic ppc64le
ApportVersion: 2.14.7-0ubuntu2
Architecture: ppc64el
Date: Tue Sep 30 14:32:28 2014
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcLoadAvg: 5.50 6.48 6.30 8/1376 124674
ProcSwaps:
Filename Type Size Used Priority
/swap.img file 8388544 0 -1
ProcVersion: Linux version 3.16.0-19-generic (rtg at gloin) (gcc version 4.9.1 (User Name 4.9.1-4ubuntu1) ) #26 SMP Sat Sep 27 13:45:06 UTC 2014
SourcePackage: powerpc-ibm-utils
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT is off
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/powerpc-ibm-utils/+bug/1375833/+subscriptions
More information about the foundations-bugs
mailing list