subject:"\[Bug 1451613\] Re\: Unity\/compiz crashes when locking screen"

[Bug 1451613] Re: Unity/compiz crashes when locking screen

2015-06-03 Thread Stephane

Hi,

I encountered the same problem since 2-3 weeks now.

My setup :

- Ubuntu 14.04 LTS

- Lenovo ThinkPad T420 
   + an additional Lenovo Screen ThinkVision (20)
   + Logitech Anywhere MX mouse

I use the shortcut Windows + L (same as CTRL+ALT+L but less fingers are 
needed) to lock my laptop. 
I cannot reproduce the issue, but it happens every day.

I have the same crash with Compiz (_usr_bin_compiz.1000.crash)

I tried to update Unity package, but the crash hasn't been fixed.

unity7.2.5 + 14.04.20150 amd64
compiz   1:0.9.11.3 + 14.04.  all

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Title:
  Unity/compiz crashes when locking screen

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[Bug 1451613] Re: Unity/compiz crashes when locking screen

2015-06-03 Thread Christopher Townsend

** Description changed:

+ [ Impact ]
+ 
+ A crash is occurring for many users of Trusty when the screen is
+ locking.
+ 
+ [ Test Case ]
+ 
+ Lock the screen.
+ 
+ [ Regression Potential ]
+ 
+ None as this is removing a commit causing this regression.
+ 
+ -
+ 
+ Original Description:
+ 
  Since a recent update (around April 29th), sometimes (approximately once a 
day) when I lock my computer screen (CTRL+L or using system menu) the computer 
freeze for a while (2 to 30 seconds) before showing the login screen.
  Then when I try to unlock the screen I need to enter my password twice (with 
no error message after the first try).
  Once logged in, all applications are closed. Uptime is still running (since 
no reboot) and services too (with no interruption).
  
  Looking at the apport.log file (see attached) it seems that when I try
  to lock the screen, compiz crashes.
  
  I've attached the compiz crash file too (_usr_bin_compiz.1000.crash) but
  without the 100Mo data of base64 core dumb…
  
- 
  I'm using Ubuntu 14.04 AMD64.
  Graphics drivers: nvidia-331.113 (tested)

** Summary changed:

- Unity/compiz crashes when locking screen
+ [regression] Unity/compiz crashes when locking screen

** Tags added: regression-update trusty

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Title:
  [regression] Unity/compiz crashes when locking screen

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[Bug 1451613] Re: Unity/compiz crashes when locking screen

2015-06-03 Thread Launchpad Bug Tracker

** Branch linked: lp:~townsend/unity/fix-lp1451613-trusty

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Title:
  Unity/compiz crashes when locking screen

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[Bug 1451613] Re: Unity/compiz crashes when locking screen

2015-06-03 Thread Christopher Townsend

So far, this has only been reported on Trusty.  It's still unclear to us
why this is occurring only on Trusty.  Given that we still don't have a
proper fix in place for this on Trusty, we are just going to revert the
offending commit and get an SRU out with only this reversion as soon as
possible.

Thanks for everyone's patience and trying to help us debug this!

** Also affects: unity/7.2
   Importance: Undecided
   Status: New

** Changed in: unity
   Status: Confirmed = Invalid

** Changed in: unity (Ubuntu)
   Status: Confirmed = Invalid

** Changed in: unity/7.2
   Status: New = In Progress

** Changed in: unity/7.2
   Importance: Undecided = Critical

** Changed in: unity/7.2
 Assignee: (unassigned) = Christopher Townsend (townsend)

** Changed in: unity/7.2
Milestone: None = 7.2.6

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Title:
  Unity/compiz crashes when locking screen

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Re: [Bug 1451613] Re: Unity/compiz crashes when locking screen

2015-05-31 Thread Andrea Azzarone

Seems like the debug symbols are not correct installed. At this point I
think it's safer to revert the fix that causes this crash.

2015-05-31 15:56 GMT+02:00 Scaler 1451...@bugs.launchpad.net:

I've updated packages (and installed unity-dbg) from ppa with debug
symbols, then reboot. The backtrace is attached.

** Attachment added: gdb-compiz-v3.txt

https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1451613/+attachment/4407575/+files/gdb-compiz-v3.txt

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Title:
Unity/compiz crashes when locking screen

Status in Unity:
Confirmed
Status in unity package in Ubuntu:
Confirmed

Bug description:
Since a recent update (around April 29th), sometimes (approximately once
a day) when I lock my computer screen (CTRL+L or using system menu) the
computer freeze for a while (2 to 30 seconds) before showing the login
screen.
Then when I try to unlock the screen I need to enter my password twice
(with no error message after the first try).
Once logged in, all applications are closed. Uptime is still running
(since no reboot) and services too (with no interruption).

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