E-M5 ii video recording issue

PhotoDmiK

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I record lot of videos, about 500Gb of files so far. Recently after upgrading SD card from UHS-i to UHS-ii some records autostopped on 39-40 seconds. Most interesting it may happen only at this duration. Failure ratio is about every 5..10th movie.

Checked every failed video, everything except date/time and stream size is same:
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : [email protected]
Format settings, CABAC : Yes
Format settings, ReFrames : 2 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 39s 360ms
Bit rate : 16.3 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.314
Stream size : 76.3 MiB (90%)
Language : Japanese
Encoded date : UTC 2016-07-10 15:46:49
Tagged date : UTC 2016-07-10 15:46:49
Color range : Full
Color primaries : BT.601 NTSC
Transfer characteristics : BT.601
Matrix coefficients : BT.601
 

Bif

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What brand, and where did you purchase the new UHS II media?

Brand is important, many brands do not perform to claimed specs. Place of purchase is important in that counterfeit copies of the most reputable brands appear frequently.
 

PhotoDmiK

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Lexar Professional SDXC 1000x 64GB UHS-II ordered on MEGA-Foto via amazon.de
 

Growltiger

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Always test new cards when you buy them.
The best test program is here, it will even find counterfeits that are programmed to report a false size:
H2testw | heise Download
Don't worry that it is in German, when you run it you can switch to English.
It also reports the speed you are getting.
 

PhotoDmiK

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I need UHS-ii card reader to properly test speed on PC.
 
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Also, make sure that the video option you picked is correct. I had the same issue and the video option I picked was not the standard video recording option. It would record for a few seconds and then stop.
 

PhotoDmiK

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Short video clips option have 2s, 4s or 8s fixed duration. I recorded 50 movies in row yesterday, 7 of them had exactly 39s360ms duration.
 

Bif

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Lexar Professional SDXC 1000x 64GB UHS-II ordered on MEGA-Foto via amazon.de
That could be your problem right there. Lexar is a brand I do not trust because I have had their media fail me in the past. Lexar does NOT have the quality control in their manufacture process that SanDisk does.

I use nothing but SanDisk
 

PhotoDmiK

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UHS-i reader:

Warning: Only 61086 of 61087 MByte tested.
Test finished without errors.
You can now delete the test files *.h2w or verify them again.
Writing speed: 55.4 MByte/s
Reading speed: 60.9 MByte/s
H2testw v1.4
 

Growltiger

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Good, the card passed the test. You can be fairly sure the problem lies elsewhere.
 

PhotoDmiK

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Maybe issue with UHS-ii mode?

One more problem I have with any SD card - sometimes sound level from built in mic is too low after wake from sleep. Easily to notice on screen, need to power off/on using power switch to fix it.
 

barry13

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Hi, I believe there was another user here with a similar problem. Make sure the camera firmware is current first, then try contacting Olympus support, or try a different brand card if you have to.
 

PhotoDmiK

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Already latest firmware. Sent support request to Olympus. Other brands are UHS-I cards and there was no issues except mic.
 

PhotoDmiK

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Support recommended to use SanDisk or Toshiba cards and reset camera settings to factory defaults.
 

PhotoDmiK

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I have theory - every SD card with write speeds close to 65-80 Mb/s are affected.
 

ijm5012

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Annecdotaly I've just seen more issues with Lexar cards than about every other major brand out there. I personally use Sandisk Extreme cards for my GH4 (4K 100 Mbps), and have never once had an issue across the 5 cards used.

It's kind of a bummer to have to buy a new card, but it ends up being far cheaper and easier than if it were an issue with the camera.
 

Philip Scott

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Sorry you're having these issues...can we assume that EVERY time you insert a memory card you are formatting it in-camera? If not, that's definitely a beast passive IMHO.

Sent from my SM-N920V using Mu-43 app
 

PhotoDmiK

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Yes, I format it in camera.
In my theory camera tries to detect card speed using 16-bit type variables, limited to 65535 max. Guess measure unit equal to Kb/s and any write speed in range 65-75Mb/s become under class-10.
 

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