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Final Cut randomly freezes

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Daniel HookFinal Cut randomly freezes
by on May 1, 2012 at 5:52:58 am

Hi

I've recently been encountering a rather annoying issue with Final Cut that I'm not quite sure how to troubleshoot. Every now and then Final Cut will freeze, give me the wheel of death for about 10 seconds, and then continue on as though nothing happened. This seems to happen regardless of what I'm doing, as in during playback, while trimming clips, while rearranging clips, dragging clips in from the viewer, or previewing clips in the viewer etc.

If it freezes during playback, it tells me it's because the discs are slow, but we're running our data through fibre to a raid system, using FibreJet as the controller. I've spoken to them and they've said all our data transfer speeds are normal. Although it only seems to be glitching on projects with clips that are over a minute - both sourced from tape and HDD cameras.

I've trashed the preferences and it's made no difference. Not entirely sure what to do next to work out what's causing the problem.

We're running OS 10.6.8 on a 2 x 2.66 GHz Quad-Core Intel Zeon with 8GB DDR3 RAM. Graphics card is a NVIDIA GeForce GT 120 and we're running Final Cut 7.0.3. Capture Card is a AJA Kona LHi.

Any help is appreciated!

Daniel Hook
TAV Productions

http://www.tav.com.au


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Jerry HofmannRe: Final Cut randomly freezes
by on May 3, 2012 at 4:13:10 pm

Well, it's always either software or hardware causing problems, so when was the last time you did a clean install on that machine? i.e., erased the startup disk and reinstalled it all from the OS up?

Next question would be surrounding your project's length and timeline's complexity. how many clips in the sequence? how many sequences open? It's sequences open that use up all the RAM... if it's all used up (and we're only talking about 2.7 gigs before disc caching begins) It sounds like you're running into a RAM clog... when the wheel appears, the computer is disc caching something possibly.

Jerry

Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: http://blogs.creativecow.net/Jerry-Hofmann

Current DVD:
http://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup

8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17" MBP, Matrox MXO2 with MAX - Cinema Displays I have a 22" that I paid 4k for still working. G4 with Kona SD card, and SCSI card.


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Daniel HookRe: Final Cut randomly freezes
by on May 4, 2012 at 12:11:22 am

Thanks for the reply Jerry.

The one particular project that I was having trouble with is only 6:30 in length, SD PAL anamorphic. It's a corporate, so there's a lot of cuts throughout it, but nothing over the top. Only one sequence open and I've made a habit of closing all sequences before saving and closing a project, so I would think it wouldn't be a RAM problem.

Generally it seems to be that if I'm able to render the sequence by applying a de-interlace filer to it's entirety it seems to fix the problem. Is there any known problems with capturing clips over 10mins of length? Just wondering if by rendering a sequence because it's creating smaller reference files that's helping it in playback?

As for rebuilding the computer from scratch, we haven't done that for just under 2 years. So maybe it's something we'll need to do on a rainy day...

Daniel Hook
TAV Productions

http://www.tav.com.au


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Jerry HofmannRe: Final Cut randomly freezes
by on May 4, 2012 at 11:32:34 pm

RAM chips could be tested. Would be where to look first for a hardware problem. Just take out a pair or one at a time etc... see if it clears up when a chip is out.

Also, you do need to rebuild a startup disk.. Bet that's likely part of this problem, unless unsupported media is in use maybe, but doesn't sound like that. It's DV right?

My guts say a new startup disk is in your future... try a fw drive and startup from that even... Build it while FCP is in work on the other station? Takes about 1/2 day.

Jerry

Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: http://blogs.creativecow.net/Jerry-Hofmann

Current DVD:
http://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup

8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17" MBP, Matrox MXO2 with MAX - Cinema Displays I have a 22" that I paid 4k for still working. G4 with Kona SD card, and SCSI card.


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Daniel HookRe: Final Cut randomly freezes
by on May 8, 2012 at 5:02:51 am

Thanks Jerry. I'll have a look into both of those options and let you know how it goes.

We're digitising at Uncompressed 8-bit at the moment from Digital Betacam tapes. Don't know if that makes a difference?

Daniel Hook
TAV Productions

http://www.tav.com.au


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Jerry HofmannRe: Final Cut randomly freezes
by on May 8, 2012 at 12:57:56 pm

Actually, uncompressed video is easier on your CPU than compressed video... no compression codec to deal with.

Jerry

Apple Certified Trainer, Producer, Writer, Director Editor, Gun for Hire and other things. I ski. My Blog: http://blogs.creativecow.net/Jerry-Hofmann

Current DVD:
http://store.creativecow.net/p/81/jerry_hofmanns_final_cut_system_setup

8-Core 3.0 Intel Mac Pro, Dual 2 gig G5, AJA Kona SD, AJA Kona 2, Huge Systems Array UL3D, AJA Io HD, 17" MBP, Matrox MXO2 with MAX - Cinema Displays I have a 22" that I paid 4k for still working. G4 with Kona SD card, and SCSI card.


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