rubenlx

Q: OSX Lion + 2011 iMac 27'' + Video = Freeze

Hello.

 

Got a brand new 27'' iMac, installed Lion. The machine freezes randomly when starting to play videos, either on Youtube, Quicktime, iTunes.

 

When it freezes, the mouse still works, but the machine doesn't respond to any command, requiring me to hit the power button and restart the computer.

 

Searched on kernel.log and system.log, and found no crash/error/message.

 

Anyone suffering from the same problem? The machine is pretty solid, been running some OpenCL kernels too and they are ok. It's only video decoding (possible on the GPU) that seems to freeze randomly.

iMac, Mac OS X (10.7)

Posted on Jul 21, 2011 6:46 AM

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Q: OSX Lion + 2011 iMac 27'' + Video = Freeze

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  • by Sachit.R1,

    Sachit.R1 Sachit.R1 Aug 10, 2011 6:46 PM in response to Keifer.Street
    Level 1 (0 points)
    Aug 10, 2011 6:46 PM in response to Keifer.Street

    That doesn't work I had the "Restore windows when quitting..." option disabled since I installed Lion.

  • by Keifer.Street,

    Keifer.Street Keifer.Street Aug 10, 2011 7:05 PM in response to Sachit.R1
    Level 1 (0 points)
    Aug 10, 2011 7:05 PM in response to Sachit.R1

    Hm, I've been testing for the past hour with video playback, putting my computer to sleep several times and it seems to have solved the problem completely. Are you sure you have this option disabled? Perhaps my resolution is pre-mature but it appears to have resolved this 100% for me. I will reply if I encounter a crash in further testing, but so far so good

     

    Not to be confused with Reopen windows when logging back in after a restart or shutdown.

    Screen Shot 2011-08-10 at 7.02.53 PM.png

  • by Sachit.R1,

    Sachit.R1 Sachit.R1 Aug 10, 2011 7:20 PM in response to Keifer.Street
    Level 1 (0 points)
    Aug 10, 2011 7:20 PM in response to Keifer.Street

    Yeah, I had the option disabled... the one in the system preferences.

    It didn't work for me.

     

    Anyone else find their issue resolved disabling this option?

  • by Celshader,

    Celshader Celshader Aug 10, 2011 8:12 PM in response to Keifer.Street
    Level 1 (0 points)
    Aug 10, 2011 8:12 PM in response to Keifer.Street

    Just tried this. Still freezes like clockwork... Sleep, play video... freeze.

  • by mattsileo,

    mattsileo mattsileo Aug 10, 2011 8:17 PM in response to Keifer.Street
    Level 1 (0 points)
    Aug 10, 2011 8:17 PM in response to Keifer.Street

    yeah I just tried it (you got my hopes up!!)- hasn't resolved the issue for me though.

  • by Keifer.Street,

    Keifer.Street Keifer.Street Aug 10, 2011 10:18 PM in response to mattsileo
    Level 1 (0 points)
    Aug 10, 2011 10:18 PM in response to mattsileo

    Yeah edit to my previous post. After further testing (going to sleep for over an hour) upon resume my iMac continued to freeze during video playback. You can ignore my last post. Looks like we'll have to wait for Apple to get off their duff and release a hotfix in 10.7.1 (hopefully we won't have to wait until 10.7.2 ).

  • by Odanster,

    Odanster Odanster Aug 10, 2011 10:35 PM in response to rubenlx
    Level 1 (15 points)
    Aug 10, 2011 10:35 PM in response to rubenlx

    Has the latest update of Flash Player made any difference?

  • by MrYamakasi,

    MrYamakasi MrYamakasi Aug 11, 2011 1:32 AM in response to Odanster
    Level 1 (0 points)
    Aug 11, 2011 1:32 AM in response to Odanster

    No, sorry, it didn't. But seriously just set the computer to never sleep and shut it down whenever you won't be using it for a longer while. Thats an easy and working solution untill Apple releases an update.

    Lion is still a great OS and don't remember the small price you paid for it. Compare that to the price and all crasher/bugs on windows and you'll understand that this video-freezing problem isn't that much of a deal. Be patient, i'm sure apples is working on a solution!

  • by m0rph3us,

    m0rph3us m0rph3us Aug 11, 2011 2:16 AM in response to rubenlx
    Level 1 (5 points)
    Aug 11, 2011 2:16 AM in response to rubenlx

    I had been having the same issue, 27" iMac I bought in May 2011.

     

    There was a new version of Flash Player released in the last day or so - 10.3.183.5.  I updated to this version, and still had the same problem. 

     

    I then tried uninstalling Flash Player and then reinstalling it (the latest version).  Since doing this, I have had no further problems, having woken the computer from sleep several times.  Fingers crossed it stays that way.

  • by Odylih,

    Odylih Odylih Aug 11, 2011 5:36 AM in response to rubenlx
    Level 1 (0 points)
    Aug 11, 2011 5:36 AM in response to rubenlx

    Hi there. I have both a 2010 iMac & a 2009 MacBook aluminium unibody.

    Both were working fine on snow leopard until the update to lion. Both have routinely crashed when used for any kind of video work- watching or editing with iMovie, premiere pro 5.5, and final cut pro x.

    They are both fully updated

     

    I think only a bug fix will make any difference.

    In the meantime, i think I'll downgrade my MacBook so at least I can do SOME work.

  • by RicBuster,

    RicBuster RicBuster Aug 11, 2011 5:50 AM in response to rubenlx
    Level 1 (0 points)
    Aug 11, 2011 5:50 AM in response to rubenlx

    I also tried this. The freeze problem is gone.  In the Adobe website you can download an uninstaller application to erase all flash files on your mac.  Once this is done you need to install the brand new flash player application 10.3.  This seems to have corrected the issue for now.  Further testing is required but it seems good for now.

  • by RicBuster,

    RicBuster RicBuster Aug 11, 2011 5:55 AM in response to RicBuster
    Level 1 (0 points)
    Aug 11, 2011 5:55 AM in response to RicBuster

    Forget this,  My computer just crashed again!  False alarm.

  • by Kirk McElhearn,

    Kirk McElhearn Kirk McElhearn Aug 11, 2011 6:57 AM in response to RicBuster
    Level 2 (159 points)
    Aug 11, 2011 6:57 AM in response to RicBuster

    Yea, I know this thread is long, but many of us have tried such things. If you think you've found a solution, you need to wait at least a day to confirm it. Several posters here, including myself, have reproduced the problem with clean installations with no third-party software. I've summarized all the failed solutions here:

     

    New iMac + Lion + Video = Freeze – Updated

  • by ryan andreas,

    ryan andreas ryan andreas Aug 11, 2011 7:32 AM in response to rubenlx
    Level 1 (0 points)
    Aug 11, 2011 7:32 AM in response to rubenlx

    I believe the reason some of us have trouble reproducing the problem (e.g. while on the phone with Applecare) is because it has to be asleep for a while. That's why I originally thought updating the flash player solved the problem for me.. anyways..the ball is obviously in Apple's court at this point.

  • by Celshader,

    Celshader Celshader Aug 11, 2011 8:38 AM in response to MrYamakasi
    Level 1 (0 points)
    Aug 11, 2011 8:38 AM in response to MrYamakasi
    remember the small price you paid for it. Compare that to the price and all crasher/bugs on windows and you'll understand that this video-freezing problem isn't that much of a deal.

     

    Microsoft releases patches on the second Tuesday of every month, and I don't find Windows 7 buggy i the least.

     

    I don't mind so much that a bug got through, I just want it fixed in a timely fashion, and I want Apple to keep the community aware that they know of the problem, and that they plan to fix it.

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