[Bug 1635438] Re: menu-cached process is using 100% CPU

[Launchpad Bug Tracker]

This bug was fixed in the package menu-cache - 1.0.1-1ubuntu0.2

---
menu-cache (1.0.1-1ubuntu0.2) xenial; urgency=high

  * Fix menu-cached so 100% CPU isn't used after suspend (LP: #1635438).
- 90-1-fix-100-cpu-load.patch
- 90-2-fix-100-cpu-load.patch

 -- Simon Quigley   Sun, 28 Jan 2018 23:15:59 -0600

** Changed in: menu-cache (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Simon Quigley]

After updating to 1.0.1-1ubuntu0.2 from xenial-proposed, the problem is
indeed fixed.

Thanks.

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

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Chris J Arges]

Hello William, or anyone else affected,

Accepted menu-cache into xenial-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/menu-
cache/1.0.1-1ubuntu0.2 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 on 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-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, without details of
your testing we will not be able to proceed.

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

** Changed in: menu-cache (Ubuntu Xenial)
   Status: Confirmed => Fix Committed

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

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Simon Quigley]

** No longer affects: menu-cache (Ubuntu Zesty)

** No longer affects: menu-cache (Ubuntu Trusty)

** Description changed:

- For 17.10, please treat this as a 0-day SRU bug report.
- 
  [Impact]
  
  Without this bugfix, users who resume from suspend will be greeted with
  a heavy CPU load when they resume. This is especially bad for older
  computers who may not be able to hand a large CPU load, and menu-cache
  is included by default in Lubuntu, where this is especially important.
  
  [Test Case]
  
  1. Suspend your computer with the menu-cache process running.
  2. Resume from suspend.
  3. Try to press Alt + F2 or use any other program which calls menu-cached.
  
  It should work as normal, but it uses up a lot of CPU power.
  
  [Regression Potential]
  
  This bugfix cherry picks an upstream commit that hasn't been tagged yet.
  As such, there might be additional improvements before it is released.
  
  Also, this modifies how processes are handled; specifically, it
  terminates any processes which return a socket error. This could
  eventually bitrot and result in processes returning valid values but it
  really shows as an error.
  
  While all of those are theoretical, it is definitely a possibility.
  Other than those two considerations, the regression risk is low.
  
  [Original Description]
  
  Hey all,
  
  I don't know you guys are looking for the issues opened on Github
  (https://github.com/lxde/menu-cache/issues/) - currently there are 5
  reported there, but I'd like to report specifically for the menu-cached
  process using 100% of CPU (we also have an issue opened on Github for
  this with lots of comments: https://github.com/lxde/menu-
  cache/issues/7).
  
  I'm using a brand new installation of Lubuntu 16.10 in my laptop.
  
  I noticed the machine temperature was too hot (96 degrees!!!) so I took
  a look on top and the menu-cached was the guilty. I killed it and
  everything was as usual again.
  
  I just don't know if it was because I returned from the suspended mode
  or if it's because I tried to run a custom command with "Open With". I
  did both in sequence/same session.
  
  $ dpkg -l |grep -iP "menu.*?cache"
  ii  libmenu-cache-bin   1.0.1-1build1 
  amd64
  ii  libmenu-cache3:amd641.0.1-1build1 
  amd64
  
  Thanks

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Simon Quigley]

Zesty is EOL, but I'll look into seeing if this is a Xenial problem as
well ASAP.

Thanks.

** Changed in: menu-cache (Ubuntu Zesty)
   Status: Confirmed => Won't Fix

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Launchpad Bug Tracker]

This bug was fixed in the package menu-cache - 1.0.2-3ubuntu0.17.10.1

---
menu-cache (1.0.2-3ubuntu0.17.10.1) artful; urgency=high

  * Fix menu-cached so 100% CPU isn't used after suspend (LP: #1635438).
- 90-1-fix-100-cpu-load.patch
- 90-2-fix-100-cpu-load.patch

 -- Simon Quigley   Wed, 18 Oct 2017 18:47:37 -0500

** Changed in: menu-cache (Ubuntu Artful)
   Status: Fix Committed => Fix Released

** Changed in: menu-cache (Ubuntu Artful)
   Status: Fix Committed => Fix Released

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Launchpad Bug Tracker]

This bug was fixed in the package menu-cache - 1.0.2-3ubuntu0.17.10.1

---
menu-cache (1.0.2-3ubuntu0.17.10.1) artful; urgency=high

  * Fix menu-cached so 100% CPU isn't used after suspend (LP: #1635438).
- 90-1-fix-100-cpu-load.patch
- 90-2-fix-100-cpu-load.patch

 -- Simon Quigley   Wed, 18 Oct 2017 18:47:37 -0500

** Changed in: menu-cache (Ubuntu Artful)
   Status: Fix Committed => Fix Released

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Launchpad Bug Tracker]

This bug was fixed in the package menu-cache - 1.0.2-3ubuntu0.17.10.1

---
menu-cache (1.0.2-3ubuntu0.17.10.1) artful; urgency=high

  * Fix menu-cached so 100% CPU isn't used after suspend (LP: #1635438).
- 90-1-fix-100-cpu-load.patch
- 90-2-fix-100-cpu-load.patch

 -- Simon Quigley   Wed, 18 Oct 2017 18:47:37 -0500

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Launchpad Bug Tracker]

This bug was fixed in the package menu-cache - 1.0.2-3ubuntu0.17.10.1

---
menu-cache (1.0.2-3ubuntu0.17.10.1) artful; urgency=high

  * Fix menu-cached so 100% CPU isn't used after suspend (LP: #1635438).
- 90-1-fix-100-cpu-load.patch
- 90-2-fix-100-cpu-load.patch

 -- Simon Quigley   Wed, 18 Oct 2017 18:47:37 -0500

** Changed in: menu-cache (Ubuntu Bionic)
   Status: Confirmed => Fix Released

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[William G. Comnisky]

Hey guys,

I'm glad to hear that you managed to reproduce and fix it.

Thanks for that

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Simon Quigley]

This update works as intended on my system, it fixes the problem
correctly.

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

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Andy Whitcroft]

Hello William, or anyone else affected,

Accepted menu-cache into artful-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/menu-
cache/1.0.2-3ubuntu0.17.10.1 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 on 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-artful to verification-done-artful. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-artful. 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: menu-cache (Ubuntu Artful)
   Status: Confirmed => Fix Committed

** Tags added: verification-needed verification-needed-artful

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Simon Quigley]

** Description changed:

+ [Impact]
+ 
+ Without this bugfix, users who resume from suspend will be greeted with
+ a heavy CPU load when they resume. This is especially bad for older
+ computers who may not be able to hand a large CPU load, and menu-cache
+ is included by default in Lubuntu, where this is especially important.
+ 
+ [Test Case]
+ 
+ 1. Suspend your computer with the menu-cache process running.
+ 2. Resume from suspend.
+ 3. Try to press Alt + F2 or use any other program which calls menu-cached.
+ 
+ It should work as normal, but it uses up a lot of CPU power.
+ 
+ [Regression Potential]
+ 
+ This bugfix cherry picks an upstream commit that hasn't been tagged yet.
+ As such, there might be additional improvements before it is released.
+ 
+ Also, this modifies how processes are handled; specifically, it
+ terminates any processes which return a socket error. This could
+ eventually bitrot and result in processes returning valid values but it
+ really shows as an error.
+ 
+ While all of those are theoretical, it is definitely a possibility.
+ Other than those two considerations, the regression risk is low.
+ 
+ [Original Description]
+ 
  Hey all,
  
  I don't know you guys are looking for the issues opened on Github
  (https://github.com/lxde/menu-cache/issues/) - currently there are 5
  reported there, but I'd like to report specifically for the menu-cached
  process using 100% of CPU (we also have an issue opened on Github for
  this with lots of comments: https://github.com/lxde/menu-
  cache/issues/7).
  
  I'm using a brand new installation of Lubuntu 16.10 in my laptop.
  
  I noticed the machine temperature was too hot (96 degrees!!!) so I took
  a look on top and the menu-cached was the guilty. I killed it and
  everything was as usual again.
  
  I just don't know if it was because I returned from the suspended mode
  or if it's because I tried to run a custom command with "Open With". I
  did both in sequence/same session.
  
  $ dpkg -l |grep -iP "menu.*?cache"
- ii  libmenu-cache-bin   1.0.1-1build1 
  amd64
- ii  libmenu-cache3:amd641.0.1-1build1 
  amd64   
- 
+ ii  libmenu-cache-bin   1.0.1-1build1 
  amd64
+ ii  libmenu-cache3:amd641.0.1-1build1 
  amd64
  
  Thanks

** Description changed:

+ For 17.10, please treat this as a 0-day SRU bug report.
+ 
  [Impact]
  
  Without this bugfix, users who resume from suspend will be greeted with
  a heavy CPU load when they resume. This is especially bad for older
  computers who may not be able to hand a large CPU load, and menu-cache
  is included by default in Lubuntu, where this is especially important.
  
  [Test Case]
  
  1. Suspend your computer with the menu-cache process running.
  2. Resume from suspend.
  3. Try to press Alt + F2 or use any other program which calls menu-cached.
  
  It should work as normal, but it uses up a lot of CPU power.
  
  [Regression Potential]
  
  This bugfix cherry picks an upstream commit that hasn't been tagged yet.
  As such, there might be additional improvements before it is released.
  
  Also, this modifies how processes are handled; specifically, it
  terminates any processes which return a socket error. This could
  eventually bitrot and result in processes returning valid values but it
  really shows as an error.
  
  While all of those are theoretical, it is definitely a possibility.
  Other than those two considerations, the regression risk is low.
  
  [Original Description]
  
  Hey all,
  
  I don't know you guys are looking for the issues opened on Github
  (https://github.com/lxde/menu-cache/issues/) - currently there are 5
  reported there, but I'd like to report specifically for the menu-cached
  process using 100% of CPU (we also have an issue opened on Github for
  this with lots of comments: https://github.com/lxde/menu-
  cache/issues/7).
  
  I'm using a brand new installation of Lubuntu 16.10 in my laptop.
  
  I noticed the machine temperature was too hot (96 degrees!!!) so I took
  a look on top and the menu-cached was the guilty. I killed it and
  everything was as usual again.
  
  I just don't know if it was because I returned from the suspended mode
  or if it's because I tried to run a custom command with "Open With". I
  did both in sequence/same session.
  
  $ dpkg -l |grep -iP "menu.*?cache"
  ii  libmenu-cache-bin   1.0.1-1build1 
  amd64
  ii  libmenu-cache3:amd641.0.1-1build1 
  amd64
  
  Thanks

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Simon Quigley]

Actually, this bug wasn't completely fixed. See the upstream issue for
more details, but I'm converting this into a 0 day SRU bug for Artful,
and once it's there, an SRU bug for all other supported releases of
Lubuntu.

** Also affects: menu-cache (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Also affects: menu-cache (Ubuntu Bb-series)
   Importance: Undecided
   Status: New

** Also affects: menu-cache (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Also affects: menu-cache (Ubuntu Zesty)
   Importance: Undecided
   Status: New

** Also affects: menu-cache (Ubuntu Artful)
   Importance: Undecided
   Status: Fix Released

** Changed in: menu-cache (Ubuntu Artful)
   Status: Fix Released => Confirmed

** Changed in: menu-cache (Ubuntu Zesty)
   Status: New => Confirmed

** Changed in: menu-cache (Ubuntu Xenial)
   Status: New => Confirmed

** Changed in: menu-cache (Ubuntu Bb-series)
   Status: New => Confirmed

** Changed in: menu-cache (Ubuntu Trusty)
   Importance: Undecided => High

** Changed in: menu-cache (Ubuntu Xenial)
   Importance: Undecided => High

** Changed in: menu-cache (Ubuntu Zesty)
   Importance: Undecided => High

** Changed in: menu-cache (Ubuntu Artful)
   Importance: Undecided => High

** Changed in: menu-cache (Ubuntu Bb-series)
   Importance: Undecided => High

** Changed in: menu-cache (Ubuntu Bb-series)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

** Changed in: menu-cache (Ubuntu Artful)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

** Changed in: menu-cache (Ubuntu Bb-series)
Milestone: None => ubuntu-17.11

** Changed in: menu-cache (Ubuntu Artful)
Milestone: None => artful-updates

** Changed in: menu-cache (Ubuntu Zesty)
Milestone: None => zesty-updates

** Changed in: menu-cache (Ubuntu Xenial)
Milestone: None => xenial-updates

** Changed in: menu-cache (Ubuntu Trusty)
Milestone: None => trusty-updates

** Changed in: menu-cache (Ubuntu Zesty)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

** Changed in: menu-cache (Ubuntu Xenial)
 Assignee: (unassigned) => Simon Quigley (tsimonq2)

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Title:
  menu-cached process is using 100% CPU

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[Bug 1635438] Re: menu-cached process is using 100% CPU

[Launchpad Bug Tracker]

This bug was fixed in the package menu-cache - 1.0.2-1

---
menu-cache (1.0.2-1) unstable; urgency=medium

  * Merging upstream version 1.0.2 (LP: #1635438).
  * Bump Standards-Version to 3.9.8.

 -- Andriy Grytsenko   Sun, 06 Nov 2016 19:17:53
+0200

** Changed in: menu-cache (Ubuntu)
   Status: New => Fix Released

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Title:
  menu-cached process is using 100% CPU

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