[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Launchpad Bug Tracker]

This bug was fixed in the package lshw - 02.16-2ubuntu1.3

---
lshw (02.16-2ubuntu1.3) trusty-proposed; urgency=medium

  * Backport cpuinfo support for aarch64 (LP: #1485086)

 -- dann frazier   Fri, 28 Aug 2015 15:00:23 -0600

** Changed in: lshw (Ubuntu Trusty)
   Status: Fix Committed => Fix Released

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  lshw does not display cpu information correctly on aarch64

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Launchpad Bug Tracker]

This bug was fixed in the package lshw - 02.17-1.1ubuntu1.1

---
lshw (02.17-1.1ubuntu1.1) vivid; urgency=medium

  * Backport cpuinfo support for aarch64 (LP: #1485086)

 -- Manoj Iyer   Mon, 24 Aug 2015 16:11:32
-0500

** Changed in: lshw (Ubuntu Vivid)
   Status: Fix Committed => Fix Released

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  lshw does not display cpu information correctly on aarch64

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Manoj Iyer]

With the fix from proposed installed I can list CPUs correctly.

ubuntu@ubuntu:~$ apt-cache policy lshw
lshw:
  Installed: 02.16-2ubuntu1.3
  Candidate: 02.16-2ubuntu1.3
  Version table:
 *** 02.16-2ubuntu1.3 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty-proposed/main arm64 
Packages
100 /var/lib/dpkg/status
 02.16-2ubuntu1.2 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty-updates/main arm64 
Packages
 02.16-2ubuntu1 0
500 http://ports.ubuntu.com/ubuntu-ports/ trusty/main arm64 Packages
ubuntu@ubuntu:~$ 


ubuntu@ubuntu:~$ sudo lshw
[sudo] password for ubuntu: 
ubuntu
description: Computer
product: < intentionally removed >
width: 64 bits
  *-core
   description: Motherboard
   physical id: 0
   capabilities: cavium_thunder-88xx
 *-cpu:0
  description: CPU
  product: cpu
  physical id: 0
  bus info: cpu@0
  capabilities: fp asimd aes pmull sha1 sha2 crc32
 *-cpu:1
  description: CPU
  product: cpu
  physical id: 2
  bus info: cpu@1
  capabilities: fp asimd aes pmull sha1 sha2 crc32
 *-cpu:2
  description: CPU
  product: cpu
  physical id: 4
  bus info: cpu@2
  capabilities: fp asimd aes pmull sha1 sha2 crc32


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

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  lshw does not display cpu information correctly on aarch64

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Manoj Iyer]

For vivid:

ubuntu@ms10-33XXX:~$ sudo apt-cache policy lshw
lshw:
  Installed: 02.17-1.1ubuntu1.1
  Candidate: 02.17-1.1ubuntu1.1
  Version table:
 *** 02.17-1.1ubuntu1.1 0
500 http://ports.ubuntu.com/ubuntu-ports/ vivid-proposed/main arm64 
Packages
100 /var/lib/dpkg/status
 02.17-1.1ubuntu1 0
500 http://ports.ubuntu.com/ubuntu-ports/ vivid/main arm64 Packages


ubuntu@ms10-33-mcdivittB0:~$ sudo lshw
ms10-33-mcdivittb0
description: Computer
product: < removed >
vendor: < removed >
serial: < removed >
width: 64 bits
  *-core
   description: Motherboard
   physical id: 0
   capabilities: < removed >
 *-firmware
  description: BootROM
  product: U02
  physical id: 1
  version: 02/26/2015
 *-cpu:0
  description: CPU
  product: cpu
  physical id: 2
  bus info: cpu@0
  capabilities: performance-monitor fp asimd evtstrm
 *-cpu:1
  description: CPU
  product: cpu
  physical id: 3
  bus info: cpu@1
  capabilities: performance-monitor fp asimd evtstrm

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Raghuram Kota]

Hi Chris, 
Manoj verfieid this for Trusty and Vivid (comms #4,#5). Please let us know if 
there is anything you need from us to complete this SRU. 

Thanks,
Raghu

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Chris J Arges]

Hello Manoj, or anyone else affected,

Accepted lshw into trusty-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/lshw/02.16-2ubuntu1.3
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: lshw (Ubuntu Trusty)
   Status: Confirmed => Fix Committed

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/trusty-proposed/lshw

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/vivid-proposed/lshw

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Brian Murray]

Hello Manoj, or anyone else affected,

Accepted lshw into vivid-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/lshw/02.17-1.1ubuntu1.1 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: lshw (Ubuntu Vivid)
   Status: In Progress = Fix Committed

** Tags added: verification-needed

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[dann frazier]

@Manoj: can you MP a fix for vivid before we do the trusty one?
Basically like the wily one, but with the following changes:

 - Please drop the changes to s390x - it won't be supported in trusty, an SRUs 
should avoid unnecessary changes.
 - Please either drop the changes on arm32 *or* verify the bug on an arm32 
platform and verify the fix there.
 - Please drop the arch-independent changes (i.e. cpu-setProduct(value))
 - Please drop the __ID(@(#) change at the top of the file - it is an 
unnecessary change.
 - Please make the new patch the last entry in the debian/patches/series file
 - Please add a debian/changelog entry - ideally copying the one from wily, but 
with an LP bug reference.
 
Once we SRU the vivid one, we can move on to trusty with the same above changes.

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Manoj Iyer]

** Branch linked: lp:~manjo/ubuntu/vivid/lshw/cpuinfo-backport-upstream

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[dann frazier]

** Also affects: lshw (Ubuntu Vivid)
   Importance: Undecided
   Status: New

** Also affects: lshw (Ubuntu Wily)
   Importance: High
 Assignee: Manoj Iyer (manjo)
   Status: In Progress

** Also affects: lshw (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Changed in: lshw (Ubuntu Wily)
   Status: In Progress = Fix Released

** Changed in: lshw (Ubuntu Vivid)
   Status: New = Confirmed

** Changed in: lshw (Ubuntu Trusty)
   Status: New = Confirmed

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  lshw does not display cpu information correctly on aarch64

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[dann frazier]

** Changed in: lshw (Ubuntu Vivid)
   Status: Confirmed = In Progress

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  lshw does not display cpu information correctly on aarch64

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Manoj Iyer]

** Description changed:

- on certain aarch64 systems lshw does not display cpu information
+ On certain aarch64 systems lshw does not display cpu information
  correctly. It displays cpu0 and the any subsequent cpus are displayed as
  DISABLED.  On a multi core aarch64 system lshw displays the following:
  
    *-core
     description: Motherboard
     physical id: 0
     capabilities:  Intentionally Removed 
   *-cpu:0
    description: CPU
    product: cpu
    physical id: 0
    bus info: cpu@0
   *-cpu:1 DISABLED
    description: CPU
    product: cpu
    physical id: 2
    bus info: cpu@1
   *-cpu:2 DISABLED
    description: CPU
    product: cpu
    physical id: 4
    bus info: cpu@2
   *-cpu:3 DISABLED
    description: CPU
    product: cpu
    physical id: 5
    bus info: cpu@3
+ 
+ Please consider the attached merge proposal for SRU in trusty.
+ 
+ [Impact]
+ 
+  * When users run lshw on aarch64 systems the CPU information is not
+ displayed correctly. It displays cpu0 and the any subsequent cpus are
+ displayed as DISABLED. Please refer to bug description for details on
+ output.
+ 
+  * This bug can be fixed by adding code to handle the aarch64 case
+ similar to the existing code for powerpc, x86, x64, ia64 etc. But, lshw
+ upstream has done the work of adding support for s390 and aarch64. It
+ will be better to backport those changes rather than using a bandaid fix
+ for aarch64 in ubuntu.
+ 
+ 
+ [Test Case]
+ 
+  * On an ubuntu aarch64 system run the command sudo lshw and look at the
+ information displayed for cpu. Without the patch you should see that CPU
+ 1-N will be DISABLED.
+ 
+  * With the patch run lshw on aarch64 ubuntu system and you should see
+ that it lists CPUs 1-N and display information about the CPU.
+ 
+ [Regression Potential]
+ 
+  * Currently support for aarch64 is broken, so if a regression were to
+ occur it could be in other archs. But, the changes introduced by this
+ patch is to support aarch64 and s390 systems and those changes should
+ not impact other archs.
+ 
+  * This patch was tested on a 48 core aarch64 system running Trusty and
+ found to work as expected. lshw package for wily and trusty were built
+ and tested on an aarch64 system running Trusty.

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Manoj Iyer]

** Changed in: lshw (Ubuntu)
   Status: New = In Progress

** Changed in: lshw (Ubuntu)
Milestone: None = ubuntu-15.10

** Description changed:

  on certain aarch64 systems lshw does not display cpu information
  correctly. It displays cpu0 and the any subsequent cpus are displayed as
  DISABLED.  On a multi core aarch64 system lshw displays the following:
  
-   *-core
-description: Motherboard
-physical id: 0
-capabilities: cavium_thunder-88xx
-  *-cpu:0
-   description: CPU
-   product: cpu
-   physical id: 0
-   bus info: cpu@0
-  *-cpu:1 DISABLED
-   description: CPU
-   product: cpu
-   physical id: 2
-   bus info: cpu@1
-  *-cpu:2 DISABLED
-   description: CPU
-   product: cpu
-   physical id: 4
-   bus info: cpu@2
-  *-cpu:3 DISABLED
-   description: CPU
-   product: cpu
-   physical id: 5
-   bus info: cpu@3
+   *-core
+    description: Motherboard
+    physical id: 0
+    capabilities:  Intentionally Removed 
+  *-cpu:0
+   description: CPU
+   product: cpu
+   physical id: 0
+   bus info: cpu@0
+  *-cpu:1 DISABLED
+   description: CPU
+   product: cpu
+   physical id: 2
+   bus info: cpu@1
+  *-cpu:2 DISABLED
+   description: CPU
+   product: cpu
+   physical id: 4
+   bus info: cpu@2
+  *-cpu:3 DISABLED
+   description: CPU
+   product: cpu
+   physical id: 5
+   bus info: cpu@3

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[Bug 1485086] Re: lshw does not display cpu information correctly on aarch64

[Manoj Iyer]

** Branch linked: lp:~manjo/ubuntu/trusty/lshw/cpuinfo-backport-upstream

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