Corrupted JPEG2000 frame

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sergisanchez

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Corrupted JPEG2000 frame

PostMon Oct 18, 2021 7:58 pm

1 corrupted JPEG2000 frame in a 90min export.

Is this a graphics card problem for sure?
Or it could be something else (electricity, ...)?




I have a Radeon VII 16GB card and the export was 2k JPEG2000 150mb/s. It never happened before in this machine (1year old, we do such exports all the time)


What do you think?
Computer: MacStudio M1 Ultra 64GB
Reference: Flanders Scientific DM241
Peripherals: BlackMagic Mini Panel + StreamDeck XL
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Hendrik Proosa

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Re: Corrupted JPEG2000 frame

PostTue Oct 19, 2021 6:47 am

Could be anything unless you are able to reproduce. Memory corruption, processing error, some infrequent bug, particle from space hitting some chip, voltage fluctuation, failing hardware… No way to tell really if it is just one time in one frame first time.
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Uli Plank

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Re: Corrupted JPEG2000 frame

PostTue Oct 19, 2021 7:57 am

Please remember that with todays speeds and chip density, a single bad hit from radioactivity (natural or man-made) can cause a hiccup.
Structures with a few nanometers are a more than hundred times smaller than the wavelength of visible light…

OTOH, if you can reproduce it on that single frame, it might be defective from the start.
Now that the cat #19 is out of the bag, test it as much as you can and use the subforum.

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sergisanchez

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Re: Corrupted JPEG2000 frame

PostTue Oct 19, 2021 3:38 pm

Uli Plank wrote:Please remember that with todays speeds and chip density, a single bad hit from radioactivity (natural or man-made) can cause a hiccup.
Structures with a few nanometers are a more than hundred times smaller than the wavelength of visible light…

OTOH, if you can reproduce it on that single frame, it might be defective from the start.


I was wondering, because it started happening this month, and in affected several exports, every time with 1 or 2 frames corrupted. On different projects, but always when encoding for the DCDM (JpeG2000)
Computer: MacStudio M1 Ultra 64GB
Reference: Flanders Scientific DM241
Peripherals: BlackMagic Mini Panel + StreamDeck XL
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Uli Plank

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Re: Corrupted JPEG2000 frame

PostTue Oct 19, 2021 4:26 pm

Hmmm. Some RAM going bad, then?
Now that the cat #19 is out of the bag, test it as much as you can and use the subforum.

Studio 18.6.6, MacOS 13.6.6, 2017 iMac, 32 GB, Radeon Pro 580
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waltervolpatto

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Re: Corrupted JPEG2000 frame

PostTue Oct 19, 2021 6:17 pm

sergisanchez wrote:
Uli Plank wrote:Please remember that with todays speeds and chip density, a single bad hit from radioactivity (natural or man-made) can cause a hiccup.
Structures with a few nanometers are a more than hundred times smaller than the wavelength of visible light…

OTOH, if you can reproduce it on that single frame, it might be defective from the start.


I was wondering, because it started happening this month, and in affected several exports, every time with 1 or 2 frames corrupted. On different projects, but always when encoding for the DCDM (JpeG2000)



1) how hot is your system when rendering?
2) open all the cases, get a good air compressing system and below all the dust out
3) re-set the cards and ram
4) do some stress test for the RAM/GPU/CPU and disks.

Bonus

As it is starting to happen to me at home, the CPU is not cooling enough due to aging of the thermal paste and water cooling system.

CPU was reaching 100 C in rendering….

So i ordered a Thermal Paste kit and a new Water cooling system (I cannot replenish the fluid in the cheap old one)
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Jack Fairley

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Re: Corrupted JPEG2000 frame

PostTue Oct 19, 2021 6:30 pm

I would suspect a heat problem, or maybe something else is close to failing, if it isn't always the same frames.
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sergisanchez

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Re: Corrupted JPEG2000 frame

PostFri Oct 22, 2021 10:29 am

waltervolpatto wrote:
sergisanchez wrote:
Uli Plank wrote:Please remember that with todays speeds and chip density, a single bad hit from radioactivity (natural or man-made) can cause a hiccup.
Structures with a few nanometers are a more than hundred times smaller than the wavelength of visible light…

OTOH, if you can reproduce it on that single frame, it might be defective from the start.


I was wondering, because it started happening this month, and in affected several exports, every time with 1 or 2 frames corrupted. On different projects, but always when encoding for the DCDM (JpeG2000)



1) how hot is your system when rendering?
2) open all the cases, get a good air compressing system and below all the dust out
3) re-set the cards and ram
4) do some stress test for the RAM/GPU/CPU and disks.

Bonus

As it is starting to happen to me at home, the CPU is not cooling enough due to aging of the thermal paste and water cooling system.

CPU was reaching 100 C in rendering….

So i ordered a Thermal Paste kit and a new Water cooling system (I cannot replenish the fluid in the cheap old one)


Thanks for the tips, I will try. Although the system is just 1y old
Computer: MacStudio M1 Ultra 64GB
Reference: Flanders Scientific DM241
Peripherals: BlackMagic Mini Panel + StreamDeck XL

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