Hello David! Larry Finger is helping me with a problem and gave me your mail.
I try to make a special hardware working but get and semaphore message: [ 5.999650] i2c_designware 808622C1:06: punit semaphore timed out, resetting [ 5.999673] i2c_designware 808622C1:06: PUNIT SEM: 2 [ 5.999677] ------------[ cut here ]------------ [ 5.999691] WARNING: CPU: 3 PID: 332 at /build/linux-gcePop/linux-4.4.0/drivers/i2c/busses/i2c-designware-baytrail.c:112 baytrail_i2c_acquire+0x139/0x1e0 i2c_designware_platform <https://github.com/hadess/rtl8723bs/issues/20#issuecomment-181275934> Hardware: http://giadatech.com/index.php?act=pShow&id=145 Full dmesg: https://nopaste.me/view/09614908 lsmod: https://nopaste.me/view/28d7ee62 Kernel-Configuration: https://nopaste.me/view/e58004e7 lspci: https://nopaste.me/view/b9f1f6e9 lshw: https://nopaste.me/view/4fac8ff1 This is the github communication where I have met larry (lwfinger on github): https://github.com/hadess/rtl8723bs/issues/20#issuecomment-181275934 It would be nice if you have hints or informations. I tried SEMAPHORE_TIMEOUT set to 300 in drivers/i2c/busses/i2c-designware-baytrail.c (didng change anyhting) Thx and bye Daniel

