[Bug 1216781] Re: System got froze after resume from screen off

[Doug McMahon]

On 10/8/2013 10:49 AM, Brian Murray wrote:
> @Doug - can you provide some more information regarding this performance
> regression which you mention in comment #10?
>
Brian - I'd point you to the review comments for this commit but can't 
locate them anymore, maybe they're removed after approval?
This bug description does state the performance regression, for a more 
relevant opinion you should ask vanvugt , who made an interesting 
comment even though he did approve.

The other interesting comment, to paraphrase was - 'Well we don't have 
the resources to actually fix the bug, so we'll just revert..'
Now if the current trend, when there is no one or time to fix,  is to 
revert a commit to 'fix',  then I guess that's fine though this bug 
doesn't seem to qualify there..

(In the same vein I could point you to 2 current compiz bugs in 13.10 
that will affect a fair number of users *all* the time, will likely not 
not be fixed due to no resources available & also could be 'fixed' with 
a commit revert (to gtk3
Should I be pushing for a revert there?

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https://bugs.launchpad.net/bugs/1216781

Title:
  System got froze after resume from screen off

Status in OEM Priority Project:
  In Progress
Status in OEM Priority Project precise series:
  New
Status in “compiz” package in Ubuntu:
  Invalid
Status in “compiz” source package in Precise:
  Incomplete

Bug description:
  [Impact]

  System gets frozen occassionally.

  [Test Case]

  See below.

  [Regression Potential]

  The update reverts the patch to the state it was before previous
  upload. The regression is that performance regresses back to the 5-10%
  lower level it was before, for Intel / Nouveau using Mesa <= 9.0.x.

  ---

  STEPS:
  1. Login system
  2. Navigate to 'System Setting' → 'Brightness and Lock'
  3. Set 'Turn screen off when inactive for:' as '1 minute'
  4. Set 'Lock' as 'ON' and set 'lock screen after : '3 minutes'
  5. Check 'Require my password when waking from suspend'
  6. Close 'Brightness and Lock' window.
  7. Wait system go to screen off.
  8. Waiting about 5 minute then active system.

  Expect result:
  Unlock interface display.

  Actual result:
  System got froze after resume from screen off. Cursor can move but right click and left click do not work.

  Reproduce rate: 40%

  Image: Ubuntu 12.04.2 LTS

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