[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[Launchpad Bug Tracker]

This bug was fixed in the package libvirt - 1.3.1-1ubuntu10.8

---
libvirt (1.3.1-1ubuntu10.8) xenial; urgency=medium

  * fix virsh nodecpumap output (LP: #1659769)
  * fix using type ethernet interfaces with user scripts (LP: #1620407)
  * add new block device types to virt-aa-helpers profile (LP: #1641618)

 -- Christian Ehrhardt   Mon, 06 Feb
2017 14:30:46 +0100

** Changed in: libvirt (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Title:
  virsh nodecpumap --pretty shows unwanted cpu map output

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[ChristianEhrhardt]

Before (1.3.1-1ubuntu10.7):
ubuntu@diamond:~$ virsh nodecpumap --pretty
CPUs present:   160
CPUs online:20
CPU map:
0,8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152,192,196-197,199,833,902-904,906-909,913-915,918,921-922,924-925,936,964,1029,1034-1037,1041-1043,1046,1049-1050,1052-1053,1064,1221,1226-1229,1233-1235,1238,1241-1242,1244-1245,1256


After (1.3.1-1ubuntu10.8):
ubuntu@diamond:~$ virsh nodecpumap --pretty
CPUs present:   160
CPUs online:20
CPU map:0,8,16,24,32,40,48,56,64,72,80,88,96,104,112,120,128,136,144,152

** Tags removed: verification-needed
** Tags added: verification-done

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Title:
  virsh nodecpumap --pretty shows unwanted cpu map output

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[Chris J Arges]

Hello bugproxy, or anyone else affected,

Accepted libvirt into xenial-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/libvirt/1.3.1-1ubuntu10.8 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: libvirt (Ubuntu Xenial)
   Status: Confirmed => Fix Committed

** Tags added: verification-needed

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Title:
  virsh nodecpumap --pretty shows unwanted cpu map output

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[ChristianEhrhardt]

On ppa identical to SRU upload:
- Automated Tests passed (to check for regressions)
- Manual Test passed (to check for regressions)
- Explicit tests on this case worked

Uploaded to SRU queue now for SRU Team to check.

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Title:
  virsh nodecpumap --pretty shows unwanted cpu map output

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[ChristianEhrhardt]

Working on the SRU already since a few days ago, but I think 16.04.02 is out of 
reach.
IIRC we are frozen in that regard already - aren't we - need to check the 
details?

Anyway - working on it already and we will see.

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Title:
  virsh nodecpumap --pretty shows unwanted cpu map output

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[ChristianEhrhardt]

** Description changed:

+ [Impact]
+ 
+  * virsh nodecpumap --pretty --pretty shows wrong result on machine with
+many cores
+ 
+  * Since admin and scripts might rely on those they should be fixed.
+Not only are they not nice, they are depending on the case even wrong 
+sometimes.
+ 
+  * an example is like:
+virsh nodecpumap --pretty
+CPUs present:   120
+CPUs online:120
+CPU map:
0-119,192,196,199,258,262,264,267,269-270,272-273,276-278,284-286,290-291,293-294,296,301-302,304,307-310,314,316,318,320,322,325-326,331-334,338,340-342,802-803,805,807-809,813-814,816-818,821-822,825,828-829,831,833,836
+ 
+ 
+ [Test Case]
+ 
+  * Go to a huge machine with many CPUs (a virtual machine with faked vcpus 
+might help, but stay aware of issues with 2nd level virtualization)
+ 
+  * run "virsh nodecpumap --pretty"
+ 
+  * Tests with extra splits into numa nodes can be done, but are not 
+necessary to show the effect
+ 
+ [Regression Potential]
+ 
+  * Fix is upstream quite while now without further changes which should
+ make it safe.
+ 
+  * Also since the code is restricted to "virsh nodecpumap" and not reused 
+any potential regression should be limited to that sub-command which is
+nice for some use-cases but not a core function in general.
+ 
+ [Other Info]
+  
+  * n/a
+ 
+ 
+ - original report --
+ 
+ 
  Please cherry pick this issue.
  
  https://bugzilla.redhat.com/show_bug.cgi?id=1329819
  
  commit 3a703b8120d9f996840bd315b6f74c45a7e98aad

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[ChristianEhrhardt]

Hi,
to confirm that is patch "virsh: host: Use bitmap size in bytes rather than bit 
count" right?

Assuming that I'm setting all >=Yakkety to fix Released as that was in
anything >= v1.3.4

Am I correct that you hereby requested a Xenial SRU for this fix?

** Also affects: libvirt (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Changed in: libvirt (Ubuntu Xenial)
   Status: New => Confirmed

** Changed in: libvirt (Ubuntu Xenial)
   Importance: Undecided => Medium

** Changed in: libvirt (Ubuntu)
   Status: Triaged => Fix Released

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  virsh nodecpumap --pretty shows unwanted cpu map output

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[Bug 1659769] Re: virsh nodecpumap --pretty shows unwanted cpu map output

[Jon Grimm]

** Changed in: libvirt (Ubuntu)
   Importance: Undecided => Medium

** Changed in: libvirt (Ubuntu)
   Status: New => Triaged

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  virsh nodecpumap --pretty shows unwanted cpu map output

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