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Nano Pi AIR and I2C problem

Sergey Ivannikov
in Allwinner sunxi

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Good day.

I install arbian image Armbian_5.38_Nanopiair_Debian_stretch_next_4.14.15

Add to i2c0 to arbianEnv.txt

When I try to run i2cdetect 0 its run very slow, and this error mesage in dmesg output 

-- [ 1073.376650] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0
-- [ 1075.456410] i2c i2c-0: mv64xxx: I2C bus locked, block: 1, time_left: 0

The same in i2c1 and i2c2 bus

Have you checked in detail (maybe even disconnecting everything from the I2C bus) for short circuits?
I had the same issue for about a week not long ago, despite checking connections etc. there was a short to ground on one of the I2C lines that I never was able to explain. Once I had eventually found and fixed it, the problem went away.

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