maluyao napsal(a): > This list ? > yes its ok > ls -l /dev/i2c-* > crw------- 1 root root 89, 0 Feb 19 13:08 /dev/i2c-0 > crw------- 1 root root 89, 1 Feb 19 13:08 /dev/i2c-1 > crw------- 1 root root 89, 2 Feb 19 13:08 /dev/i2c-2 > crw------- 1 root root 89, 3 Feb 19 13:08 /dev/i2c-3 > crw------- 1 root root 89, 4 Feb 19 13:08 /dev/i2c-4 > crw------- 1 root root 89, 5 Feb 19 13:08 /dev/i2c-5 > crw------- 1 root root 89, 6 Feb 19 13:08 /dev/i2c-6 > crw------- 1 root root 89, 7 Feb 19 13:08 /dev/i2c-7 > > dmesg |tail -n 1 > w83793 0-002f: set bank to 0 failed, fall back to bank 2, read reg 0x57 error huh intressting message, > > i2cdump 0 0x2f > > No size specified (using byte-data access) > Error: Could not set address to 0x2f: Device or resource busy you need to unload the w83793 module (rmmod w83793) Also please try to poweroff whole machine, unplug the power cord and run the i2c dump again.(The I2C bus is powered on even if the machine is off) Ofcourse without driver loaded. From now it seems there is something wrong with the i2c bus. Rudolf
