When we run i2cdetect on bus 1 where there is 4 i2c devices attached weg et
this error messages:
root@debian:/sys/class/i2c-dev/i2c-1/device/1-0050# i2cdetect 1
WARNING! This program can confuse your I2C bus, cause data loss and worse!
I will probe file /dev/i2c-1.
I will probe address range 0x03-0x77.
Continue? [Y/n] y
0 1 2 3 4 5 6 7 8 incomplete xfer (0x20)
[ 277.671755] incomplete xfer (0x20)
9 a b c d e f
00: incomplete xfer (0x20)
[ 277.680026] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.685949] incomplete xfer (0x20)
-- -- incomplete xfer (0x20)
[ 277.691958] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.697712] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.703516] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.709279] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.715061] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.720831] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.726586] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.732457] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.738215] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.743991] incomplete xfer (0x20)
--
10: incomplete xfer (0x20)
[ 277.750282] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.756059] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.761834] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.767650] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.773432] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.779186] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.784958] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.790734] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.796489] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.802260] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.808016] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.813792] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.819547] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.825329] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.831116] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.836870] incomplete xfer (0x20)
--
20: incomplete xfer (0x20)
[ 277.843171] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.848935] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.854734] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.860489] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.866244] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.872022] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.877776] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.883548] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.889308] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.895098] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.900898] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.906654] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.912435] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.918190] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.923963] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.929723] incomplete xfer (0x20)
--
30: incomplete xfer (0x48)
[ 277.936015] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.941788] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.947543] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.953320] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.959076] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.964847] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.970624] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 277.976379] incomplete xfer (0x48)
-- incomplete xfer (0x20)
[ 277.982151] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.987906] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.993686] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 277.999440] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.005212] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.010987] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.016742] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.022513] incomplete xfer (0x20)
--
40: incomplete xfer (0x20)
[ 278.028788] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.034566] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.040322] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.046093] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.051872] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.057627] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.063399] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.069160] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.074940] incomplete xfer (0x20)
-- UU incomplete xfer (0x20)
[ 278.080972] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.086727] incomplete xfer (0x20)
-- UU incomplete xfer (0x20)
[ 278.092764] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.098519] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.104384] incomplete xfer (0x20)
--
50: UU incomplete xfer (0x48)
[ 278.110925] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.116711] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.122493] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.128249] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.134037] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.139791] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.145563] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.151346] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.157099] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.162870] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.168624] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.174401] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.180156] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.185928] incomplete xfer (0x48)
-- incomplete xfer (0x48)
[ 278.191708] incomplete xfer (0x48)
--
60: incomplete xfer (0x20)
[ 278.197984] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.203756] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.209516] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.215289] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.221060] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.226814] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.232590] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.238345] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.244176] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.249938] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.255710] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.261482] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.267237] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.273014] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.278769] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.284541] incomplete xfer (0x20)
--
70: incomplete xfer (0x20)
[ 278.290821] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.296593] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.302388] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.308146] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.313922] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.319677] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.325449] incomplete xfer (0x20)
-- incomplete xfer (0x20)
[ 278.331226] incomplete xfer (0x20)
--
We have also tried on marsboard and get the same error, what is wrong?
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