1 2 3 Previous Next 262 Replies Latest reply on Oct 6, 2018 2:42 PM by luke_stirtz

    Repeated refresh or regeneration of clip thumbnails

    Loveppro11 Level 1

      When I'm editing in PPRO CC 2014.2 I have noticed now that each time I set a IN AND OUT MARKERS either in the SOURCE WINDOW or do a insert clip onto the SEQUENCE PANE,  all the thumbnails of each clip in the Project window and on the sequence

      completely go blank to regenerate or refresh the image of the thumbnail per each clip.

       

      I have to wait until the regeneration is done before I can continue.

       

      I have the Latest desktop MacPro 3.5 GHz 6-Core INtel Xeon with 32 gigs of ram.

        • 1. Re: Repeated refresh or regeneration of clip thumbnails
          Kevin-Monahan Adobe Employee

          Hi Loveppro11,

          Never seen that. Can you make a video capture of the issue and post it for us to see?

          Also, the bug report form is here: http://adobe.ly/ReportBug

           

          Thanks,
          Kevin

          • 2. Re: Repeated refresh or regeneration of clip thumbnails
            stretchdavea Level 1

            This happens on either of our macs.(27"iMac i7 lots of ram high spec etc etc.) Now on the timeline there is CONSTANT refreshing of thumbnails every time ANY alteration is made to ANYTHINg. Even altering audio clip length.

             

            I have read numerous posts where there is a mention of thumbnail/icon issue. This is making my project unworkable. I am trying to find work around, but you can't get picture playback while thumbnails are regenerating. Spotted that this post was 1 month ago-has the problem gone away or been rectified?

             

            Cheers

            Dave

            • 3. Re: Repeated refresh or regeneration of clip thumbnails
              Loveppro11 Level 1

              Yes, each time I touch anything I have to wait for all my thumbnails on the timeline to refresh.

              If i reboot my system it goes away for awhile.

              I have 32 gigs of ram on my 6 core new Macpro less than a year old.

              • 4. Re: Repeated refresh or regeneration of clip thumbnails
                WithersDigital Level 1

                I have the same issue, Premiere 2014.2 OS X Yosemite 10.10.2.

                 

                I made a video that shows the problem, the only thing I'm doing is starting and stopping playback. The thumbnails regenerate on nearly every pause, though it happens with all other timeline interactions as well. It makes Premiere almost unusable in large timelines or with clips that have a lot of effects. I use Premiere professionally almost every day and this seems to have popped up in the last two months. Big problem!

                 

                Dropbox - premiere-thumbrefresh.mov

                • 5. Re: Repeated refresh or regeneration of clip thumbnails
                  frankowoodsvideo

                  Same problem here, has been driving me nuts for over a month now.

                   

                  I also made a video here to demonstrate it, although this is fairly tame compared with how bad it can get: http://youtu.be/sS8lVpR846E

                   

                  Whilst this is just with one layer of footage the problem is magnified 10 times over when the timeline is full of clips and effects, as mentioned above. It happens when I scroll, when I zoom, when I hit the play button and sometimes randomly making cuts or other timeline functions. It has got so distracting I have just turned all thumbnails off now which isn't ideal.

                   

                  Mine runs on:

                   

                  MacPro

                  Processor  3 GHz 8-Core Intel Xeon E5

                  Memory  32 GB 1867 MHz DDR3 ECC

                  Graphics  AMD FirePro D700 6144 MB

                  Software  OS X 10.9.5

                  • 6. Re: Repeated refresh or regeneration of clip thumbnails
                    WithersDigital Level 1

                    Just noticed this also happens with non-timeline interactions such as saving, or simply clicking outside the application and then clicking back in. It's also the waveforms in addition to just the clip thumbnails. Hopefully this helps the engineering team narrow down the cause. Here's another video to demonstrate: Dropbox - premeire-thumbrefresh-save.mov

                    • 7. Re: Repeated refresh or regeneration of clip thumbnails
                      Kevin-Monahan Adobe Employee

                      Hi WithersDigital,

                      Stephen Withers wrote:

                       

                      Just noticed this also happens with non-timeline interactions such as saving, or simply clicking outside the application and then clicking back in. It's also the waveforms in addition to just the clip thumbnails. Hopefully this helps the engineering team narrow down the cause. Here's another video to demonstrate: Dropbox - premeire-thumbrefresh-save.mov

                       

                      Thanks for creating the movie and illustrating your problem. I assume you are also on a Mac? Can you tell me more about it (CPU, RAM, GPU)? Which OS are you running? What kind of media?

                       

                      BTW, I am not seeing this at all on my Mac Book Pro (OS X 10.8.5), i7, 16GB RAM, NVIDIA 650M with H.264 (DSLR) source footage.

                       

                      Thanks,

                      Kevin

                      • 8. Re: Repeated refresh or regeneration of clip thumbnails
                        stretchdavea Level 1

                        Might only happen when a project gets to a certain size. It seems to be related to the fact that something in Premiere seems to swallow all ram at some stage-can anyone else on a mac check their activity monitor and see what their RAM is doing?

                         

                        Maybe 32gig is just not enough!!!!

                        • 9. Re: Repeated refresh or regeneration of clip thumbnails
                          Kevin-Monahan Adobe Employee

                          Hi StretchDaveA,

                          Have you updated to Premiere Pro CC 2014.2 (8.2), or is this a Premiere Pro CC 2014.1 (8.1) issue?

                           

                          Thanks,

                          Kevin

                          • 10. Re: Repeated refresh or regeneration of clip thumbnails
                            WithersDigital Level 1

                            Thanks for the response Kevin,

                             

                            This video was made on a Hackintosh but I've also experienced the problem on a client's Mac Pro 6,1 w/64GB of ram. Media is h264 DSLR footage, as well as 48,000 Hz 24 bit wav's.

                             

                            My system:

                            2x 6 core Xeon E5-2630 2.3Ghz

                            32GB ECC Ram

                            GeForce 580 GTX 3072mb

                            OSX 10.10.2

                            Premiere Pro CC 2014.2

                             

                            It is not a RAM issue, I actually had the Activity Monitor open when I made the above video and it hovered around 2.7GB, increasing by 500mb or so every time the thumbnail refresh problem kicked in. It happens on small projects with only 1-2GB ram used as well as larger projects w/ heavy effects and up to 20GB ram used. Obviously it takes a lot longer to refresh the thumbs on the heavy projects, which is more of an issue.

                             

                            Also it does not necessarily happen immediately upon opening the project and editing. However the problem usually starts kicking in fairly quickly. Occasionally it gets better for an hour, but is always prevalent throughout my day of editing.

                            • 12. Re: Repeated refresh or regeneration of clip thumbnails
                              WithersDigital Level 1

                              Hi Kevin,

                               

                              Have you had any luck re-creating this issue? Please let me know if I can be of any help. As of now I can't use 8.1-8.2 without getting bogged down in thumbnail refreshes after working for 20-30 minutes. Almost had a psychotic break when I was trying to line up two clips based on the waveforms, and the waveform/thumbnails disappeared as soon as I started dragging and wouldn't re-appear until the clip was released. I've had to revert my active projects back to 8.0.1 with the old UI style which does not have this issue. I'm pretty sure the issue started with 8.1 in October, and will confirm when I'm done with the current edit.

                              • 13. Re: Repeated refresh or regeneration of clip thumbnails
                                Kevin-Monahan Adobe Employee

                                Hi Withers Digital,

                                Have you had any luck re-creating this issue? Please let me know if I can be of any help.

                                 

                                No, I can't recreate it yet. Seems to be a Mac only OS X 10.9 and OS X 10.10 issue. The GPU does not seem to matter. What kind of footage are you seeing this with? Does this happen with other kinds of footage? Does this happen with shorter timelines, as well?

                                 

                                Do you install extensions for your browser? The Pushbullet extension for Chrome has been known to interfere with performance when dragging items in the Timeline. See if you have installed anything recently.

                                 

                                As of now I can't use 8.1-8.2 without getting bogged down in thumbnail refreshes after working for 20-30 minutes.

                                 

                                I know it's not a solution, but you can turn these off from the Timeline Display Settings menu (wrench). You can also set a keyboard shortcut to toggle them on or off.

                                 

                                I'm pretty sure the issue started with 8.1 in October, and will confirm when I'm done with the current edit.

                                 

                                Thanks for any feedback you can give. For sure, all on this thread should file a bug here: http://adobe.ly/ReportBug

                                 

                                Thanks,

                                Kevin

                                • 14. Re: Repeated refresh or regeneration of clip thumbnails
                                  toneproductions Level 1

                                  I'm having this same issue too. Late 2013 Mac pro. Any solutions. My Media Cache/Previews etc are on a fast external SSD.

                                  • 15. Re: Repeated refresh or regeneration of clip thumbnails
                                    WithersDigital Level 1

                                    It seems like, with the exception of the OP who had this on an iMac in addition to his Mac Pro, everyone's got Mac Pro's or at least towers with Xeon's. Kevin, since you're not on the same hardware or OS, is there any way you guys can set up a Mac Pro system with 10.9 or 10.10 to confirm and fix this bug?

                                     

                                    It's not related to a Chrome browser extension - I don't run Chrome. However once my current edit is complete, I will update to 8.2 and test it out to see if it's any other app interfering such as Safari or iTunes. If I can start reliably reproducing the bug I'll also try with strictly ProRes footage to see if it's related to h264 files, just to narrow down the possible causes. I'll re-file my bug report with the updated info.

                                    • 16. Re: Repeated refresh or regeneration of clip thumbnails
                                      WithersDigital Level 1

                                      I was able to do some testing on a new edit (about 30-40 clips) and it got to a point where the thumbnails were refreshing constantly. I then closed all open apps (iTunes, Safari, IM) and the refresh issue went completely away. I opened the apps back up and the refresh issue instantly came back. I repeated this several times and ran a screen cap:  Dropbox - apps-issue.mov

                                       

                                      I isolated the problem to Safari. I tried Chrome (normally not open) and it did refresh once or twice, but not nearly as much as Safari.

                                       

                                      I then went into a large edit (hundreds of clips, mixed formats, lots of effects) to see if closing the open programs would solve the refresh issue. It did made no difference, unfortunately. The project reliably refreshes on every UI interaction, with or without the programs open. I'll see if I can transcode the footage from this project to ProRes LT overnight just to see what that does -- though it's going to be a massive render job.

                                       

                                      So, it seems in the context of smaller projects, closing browsers does make a difference. Can anyone else do some testing to confirm?

                                       

                                      Cheers,

                                      Steve

                                      1 person found this helpful
                                      • 17. Re: Repeated refresh or regeneration of clip thumbnails
                                        Loveppro11 Level 1

                                        I usually reboot my MacPro and it fixes the problem.

                                        • 18. Re: Repeated refresh or regeneration of clip thumbnails
                                          Zoltan3105 Level 1

                                          Is there a solution to it yet? I have the same problem, but then i purge the RAM via terminal sudo, its gone until my RAM is full again. I am on Yosemite 10.2 and have 32 GB RAM.

                                          • 19. Re: Repeated refresh or regeneration of clip thumbnails
                                            IvanTheEditor Level 1

                                            Same problem here on a brand new iMac with 32GB of RAM. Less than 2 weeks old. Running Yosemite 10.10.2 and PP CC 8.2. It just started doing that about 2 days ago. So I thought "What have I installed in the past two days?" I installed Perian (for MPEG Streamclip), Red Giant's Universe, and a couple of the FxFactory freebies. After uninstalling all of that - no improvement. Thumbnails are still constantly refreshing. Not sure what else I could have done in the past two days to be causing that.

                                            • 20. Re: Repeated refresh or regeneration of clip thumbnails
                                              Zoltan3105 Level 1

                                              Great that I have lots of RAM, but even 32 GB do get full after some time and inactive RAM is causing this issue. So terminal -> sudo purge is my best friend at the moment.  Does anyone a solution to that?

                                              • 21. Re: Repeated refresh or regeneration of clip thumbnails
                                                IvanTheEditor Level 1

                                                Has anyone been able to make any progress on this issue at all?? It has become a real nightmare trying to edit anything in Premiere...

                                                • 22. Re: Repeated refresh or regeneration of clip thumbnails
                                                  dunbar2222

                                                  I'm having the same problem as well.  It only happens in specific projects.  The on it's currently happening in happens to be a paid job.  So....along with my graphics card issues/glitching all that BS, this is making me really really crazy. 

                                                   

                                                  I've had CC for a year now.  I loved it when I first got it.  And now I can't do it anymore.

                                                   

                                                  If you guys don't come up with a fix for this thumbnail refresh thing and the issue with the cuda graphics card.  I'm going to have to switch back to FCPx. 

                                                   

                                                  I just can't be slowed down like this.  I have a freakin' deadline today. C'mon adobe.  Help us out. 

                                                  • 23. Re: Repeated refresh or regeneration of clip thumbnails
                                                    andrei.nemcik Level 1

                                                    I'm having the same problem with Premier Pro CC.


                                                    The video thumbnails and audio waveforms on my sequence timeline refresh constantly every time I hit play, stop, zoom in, zoom out, cut etc.. Its like a christmas tree, it refresh almost every time I perform an action in the timeline.

                                                    Even watching my edit the performance is lagging, no fluid play.


                                                    I have tried everything in my power to address this problem. I have use professional grade software to trash preferences and caches, repaired permissions, repaired PPCC project files, Reset NVRAM. etc...

                                                    After doing all this some times it go away, but for a short time, then come back again stopping my work.


                                                    I have been trouble shooting to many days and hours not been able to edit fluidly, its almost impossible to work like this.


                                                    Adobe, all of us having the same issue would appreciate a fix for this ASAP.


                                                    Premier Pro CC 2014.2

                                                    OSX Yosemite 10.10.3 (14D136)

                                                    iMac (27-inch, Late 2012)

                                                    3.4 GHz Intel Core i7

                                                    32 GB 1600 MHz DDR3

                                                    MacHD

                                                    NVIDIA GeForce GTX 680MX 2048 MB

                                                    • 24. Re: Repeated refresh or regeneration of clip thumbnails
                                                      WithersDigital Level 1

                                                      Ok since this is obviously happening with a lot of people is there any way you guys can test on recent hardware and OS to replicate this problem? No one here is using 10.7. I'm willing to bet if you try to edit a large project (like a two hour event or a wedding) with 2014.2 on OS X 10.9.x or 10.10.x you WILL encounter this problem. It happens on my desktop, laptop, and my client's desktop as well, not to mention the other people in this thread.

                                                       

                                                      I've already filed two bug reports, but here's recapping what I know in convenient bullet-list format to share with the engineers:

                                                       

                                                      - It started with version 8.1

                                                      - It happens on both OS X 10.9 and 10.10

                                                      - This issue happens in every project I work on with h264 DSLR media.

                                                      - It happens with both thumbnails and audio waveforms, so it is related to the general UI refreshing and not specifically video thumbnails.

                                                      - It happens slightly less frequently (but NOT fixed completely) if I transcode all files to ProRes (and kiss my hard drive space goodbye).

                                                      - It happens slightly less frequently (but NOT fixed completely) if Safari and iTunes are closed, particularly Safari.

                                                      - It seems to not be related to RAM usage (have 32gb of ram and the issue happens if Premiere is taking up only a small fraction or a very large portion)

                                                      - It is not related to specific video cards (happens on client's Mac Pro 6,1 which is AMD, also on all of my nVidia machines)

                                                      - Disabling clip thumbnails and audio waveforms does not solve the issue, I can still tell the whole program is pausing (almost like a drop frame) while the timeline refreshes. 

                                                       

                                                      Thanks!

                                                      • 25. Re: Repeated refresh or regeneration of clip thumbnails
                                                        andrei.nemcik Level 1

                                                        Is there a fix for this well known issue reported back from December 2014?

                                                         

                                                        I'm editing, or trying to edit a documentary, the experience is a pain.

                                                        The video thumbnails and audio waveforms on my sequence timeline refresh constantly every time I hit play, stop, zoom in, zoom out, cut etc...

                                                        - 180hrs of footage aprox.

                                                        - DSLR 5D EOS Mark III, 7D(1080 23.98) and some B-Roll GoPro Hero 3(1080 29.97)

                                                        - 7min Sequence (my progress is to slow because editing process its unbearable)

                                                        - Disabling clip thumbnails and audio waveforms does not solve the issue, even watching my edit the performance is lagging, no fluid play.

                                                         

                                                        On the other hand I'm editing a feature film, and the expirience is less painful than the documentary.

                                                        Every now and then when I razor cut an audio clip it bring the beachball of death. Only solution is to Force Quit Premier and pray that you saved before or have some luck if Autosaved your...

                                                        Exporting a OMF or AAF from Premier its almost impossible without trial and error and work arounds.

                                                        - 36hrs of footage aprox

                                                        - ARRI ALEXA ProRess 4444(2K 23.98) transcode to ProRes HQ(2K 23.98)

                                                        - 1hr45min Sequence

                                                         

                                                        I come from a family of filmmakers, this is what we do. Im a Professional and a Power User. I make a living out of this. I have 13 years in the business and I take my job seriously. I only use professional software.

                                                         

                                                        Are we out in the woods?


                                                        Adobe...



                                                        Premier Pro CC 2014.2

                                                        OSX Yosemite 10.10.3 (14D136)

                                                        iMac (27-inch, Late 2012)

                                                        3.4 GHz Intel Core i7

                                                        32 GB 1600 MHz DDR3

                                                        MacHD

                                                        NVIDIA GeForce GTX 680MX 2048 MB


                                                        OWC ThunderBay 4 Raid 5

                                                        OWC Elite Pro Dual

                                                        Promise Pegasus R6 Raid 5


                                                        • 26. Re: Repeated refresh or regeneration of clip thumbnails
                                                          IvanTheEditor Level 1

                                                          Nope, still no fix. We are completely alone on this one... The only thing that helps me do my job is to re-start my computer every few hours or to minimize the tracks so I can't see thumbnails or waveforms. Of course performance during editing is absolutely painful no matter what.

                                                           

                                                          UNACCEPTABLE, ADOBE!!! UNACCEPTABLE!!

                                                          • 27. Re: Repeated refresh or regeneration of clip thumbnails
                                                            Kevin-Monahan Adobe Employee

                                                            Hi Ivan,

                                                            UNACCEPTABLE, ADOBE!!! UNACCEPTABLE!!

                                                             

                                                            Have you filed a bug report yet? http://adobe.ly/ReportBug

                                                             

                                                            Thanks,

                                                            Kevin

                                                            • 28. Re: Repeated refresh or regeneration of clip thumbnails
                                                              shooternz Level 6

                                                              Is there a fix for this well known issue reported back from December 2014?

                                                               

                                                              If its not obvious to anyone else..this issue reeks of being associated with Yosemite O.S (updates)  and seems to be connected to the other MAC only issue where the timeline scrolls weirdly for some users.

                                                               

                                                              Both are screen refresh type  "issues"!

                                                               

                                                              Windows users maybe  now are asking are these MAC issues and the fix of same by Adobe ....delaying the  release of latest version of PPRO?

                                                               

                                                              I am.

                                                               

                                                              Just saying.

                                                              • 29. Re: Repeated refresh or regeneration of clip thumbnails
                                                                Kevin-Monahan Adobe Employee

                                                                Hi Withers Digital,

                                                                Ok since this is obviously happening with a lot of people is there any way you guys can test on recent hardware and OS to replicate this problem? No one here is using 10.7. I'm willing to bet if you try to edit a large project (like a two hour event or a wedding) with 2014.2 on OS X 10.9.x or 10.10.x you WILL encounter this problem. It happens on my desktop, laptop, and my client's desktop as well, not to mention the other people in this thread.

                                                                 

                                                                Sorry! I'm now on OS X 10.10.2 and still not seeing this issue. I have a project with a couple hundred clips and an hour long timeline. No difference.

                                                                 

                                                                I did erase the entire system before updating to Yosemite, however. I also checked permissions for all the Adobe folders in my system. It's running great, save for the NVIDIA driver that makes me avoid CUDA (I run Open CL for now).

                                                                 

                                                                Please file a bug report if you have not already and I'll try to get this issue more attention from my side of things: http://adobe.ly/ReportBug

                                                                 

                                                                Thanks,

                                                                Kevin

                                                                • 30. Re: Repeated refresh or regeneration of clip thumbnails
                                                                  Kevin-Monahan Adobe Employee

                                                                  Hi Andrei,

                                                                  OWC ThunderBay 4 Raid 5

                                                                  OWC Elite Pro Dual

                                                                  Promise Pegasus R6 Raid 5

                                                                   

                                                                  Can you try putting the media on a non-OWC RAID only? I have heard of issues with media on these RAIDs. Please try it.

                                                                   

                                                                  Thanks,

                                                                  Kevin

                                                                  • 31. Re: Repeated refresh or regeneration of clip thumbnails
                                                                    IvanTheEditor Level 1

                                                                    Kevin-Monahan wrote:

                                                                     

                                                                    Hi Ivan,

                                                                    UNACCEPTABLE, ADOBE!!! UNACCEPTABLE!!

                                                                     

                                                                    Have you filed a bug report yet? http://adobe.ly/ReportBug

                                                                     

                                                                    Thanks,

                                                                    Kevin

                                                                    Yes, of course.

                                                                    • 32. Re: Repeated refresh or regeneration of clip thumbnails
                                                                      IvanTheEditor Level 1

                                                                      shooternz wrote:

                                                                       

                                                                      Is there a fix for this well known issue reported back from December 2014?

                                                                       

                                                                      If its not obvious to anyone else..this issue reeks of being associated with Yosemite O.S (updates)  and seems to be connected to the other MAC only issue where the timeline scrolls weirdly for some users.

                                                                       

                                                                      Both are screen refresh type  "issues"!

                                                                       

                                                                      Windows users maybe  now are asking are these MAC issues and the fix of same by Adobe ....delaying the  release of latest version of PPRO?

                                                                       

                                                                      I am.

                                                                       

                                                                      Just saying.

                                                                      I was on a BRAND NEW iMac when this started happening. Literally a couple days old. At this point I don't care who's fault it is. This is clearly happening to way too many people. As always, no one at Adobe is experience the issue. They all just happen to be working on flawless machines that never experience any of the problems us mortals experience in the real world. How convenient... 

                                                                      • 33. Re: Repeated refresh or regeneration of clip thumbnails
                                                                        shooternz Level 6

                                                                        Have you  had any conversations with anyone over at Apple about this?

                                                                         

                                                                        What did they say?

                                                                        • 34. Re: Repeated refresh or regeneration of clip thumbnails
                                                                          WithersDigital Level 1

                                                                          The issue is present on both 10.9 Mavericks and 10.10 Yosemite. The bug was introduced with 2014.2. It may be a "mac issue" but it is not specifically related to the OS version.

                                                                          • 35. Re: Repeated refresh or regeneration of clip thumbnails
                                                                            andrei.nemcik Level 1

                                                                            Hi Kevin,

                                                                             

                                                                            I don't think this problem is related to OWC HDD RAIDs as you can see below, the project that is working for me is the one been edited on a OWC Raid system.

                                                                            I think its more of a Video codec problem.

                                                                             

                                                                            - The media of the documentary I'm working on resides within a Promise Technology PregasusR6 and has a lot of footage in DSLR and some in GoPro.

                                                                              This project has very bad problems with the refresh of Video Thumbnails and Audio Waveforms in the timeline sequence.

                                                                             

                                                                            - On the other hand, the media of the feature film I'm editing is in a OWC Thunderbay 4. The original video codec was ARRI ALEXA ProRes 4444 transcoded to ProRes 422HQ.

                                                                              This one, "doesn't" have the refresh bug. I have manage to edit without the delay and problems the Documentary is having.

                                                                             

                                                                            What have caught my attention is the difference between the Media Codecs of these two Projects.

                                                                             

                                                                            - The one that doesn't work properly is the Documentary. The media is in DSLR H.264.mov

                                                                            - The one that works, is the Film. The media is in ProRes 422HQ.mov

                                                                             

                                                                            As WithersDigital above post stated:

                                                                            "It happens slightly less frequently (but NOT fixed completely) if I transcode all files to ProRes (and kiss my hard drive space goodbye)."

                                                                             

                                                                            If this is true and If you guys don't come up with a quick fix or solution for this bug, then I will need to transcode 180hrs aprox of Documentary footage, and that is a lot of MEDIA for a software that is suppose to handle almost whatever you throw at it!

                                                                             

                                                                            We no longer have the luxury of time.

                                                                            The clock is ticking and the deadlines around the corner.

                                                                            • 36. Re: Repeated refresh or regeneration of clip thumbnails
                                                                              andrei.nemcik Level 1

                                                                              Hi Kevin,

                                                                               

                                                                              I would appreciate very much some advice, patch, fix, update regarding the Refreshing Bug. I chat with someone at Adobe and explained my problem with a lot of detail. I even give him full access to my computer. After a few minutes of wondering around and watching the SHOW that my timeline sequence was making, he managed to change some file names and trashed my cache and preferences. I understand that there are basic maintenance procedures, but I have other Project deadlines with a lot of footage and timelines to reload. So if he had asked me before doing it, I would have tell him NO and that I've already tried that...you know.

                                                                               

                                                                              After the GREAT IDEA of trashing everything he told me to open the project again. At that moment I realized the chat was a dead end. I told him that because this was a BIG project it would take like 2hrs and so to load all the media, thumbnails, waveforms etc... Do you think he would have waited that long to see if there was any difference in the behavior of my timeline? No, he gave me the GOOD NIGHT AND GOOD LUCK crap and said that he couldn't do anything more, of course he can't, the project is LOADING.

                                                                               

                                                                              Then he said - "I am sorry, But the issue as you is not continuous and with one project/media files only. (whatever that means) So I would need to check it with my next level of support for possible workarounds apart from transcoding the files. As they are not available on online support channels, Please share your contact number. Wish I did. I would schedule a call back for you in next 24 hours.


                                                                              After 46hrs, I'm still waiting...

                                                                               

                                                                              BTW nothing that he did, resolved my performance issue.

                                                                               

                                                                              Case Number:0186658783

                                                                              Case Description:Premiere Pro/ performance

                                                                              • 37. Re: Repeated refresh or regeneration of clip thumbnails
                                                                                andrei.nemcik Level 1

                                                                                Hi all, its me again,

                                                                                 

                                                                                On my laptop, I rolled back to Premiere version 2014.0 and the Refreshing Bug is not there anymore.

                                                                                Screen Shot 2015-05-22 at 10.23.01 AM.png

                                                                                 

                                                                                On my iMac running on Premiere version 2014.2, the Bug is much alive.

                                                                                Screen Shot 2015-05-22 at 10.49.08 AM.png

                                                                                Has anyone else experience similar results when rolling back to a previous version?

                                                                                • 38. Re: Repeated refresh or regeneration of clip thumbnails
                                                                                  WithersDigital Level 1

                                                                                  Hi Andrei,

                                                                                   

                                                                                  You're correct, I've confirmed for myself that the bug is not present in previous versions. I think it was introduced in 2014.2.

                                                                                   

                                                                                  I wish the software engineers would test on hardware similar to what their customers are using (iMac, Mac Pro) with h264 media in large projects, because I am almost certain they would encounter this bug. It's baffling that they have not run into this issue considering how many users are reporting it.

                                                                                  • 39. Re: Repeated refresh or regeneration of clip thumbnails
                                                                                    Kevin-Monahan Adobe Employee

                                                                                    Hi Andrei,

                                                                                    I'll have the engineers take a look at this issue a little more closely today. I'll mention that the bug was not seen in the 8.0 version.

                                                                                     

                                                                                    I wonder if the H.264 footage itself might have something in common. How was this H.264 media shot? Via a Canon DSLR camera? If not, which camera? Does this happen with all H.264 footage, or just that from this particular device?

                                                                                     

                                                                                    Thanks,

                                                                                    Kevin

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