panic on 13-CURRENT

[Ian Lepore]

On Mon, 2019-07-08 at 18:16 +0900, Mori Hiroki wrote:
> Hi
> 
> I try to 13-CURRENT today.
> 
> I have panic on Atheros target.
> 
> [...]
> gpioiic0: <GPIO I2C bit-banging driver> at pins 19-20 on gpiobus0
> gpioiic0: SCL pin: 20, SDA pin: 19
> iicbb0: <I2C bit-banging driver> on gpioiic0
> iicbus0: <Philips I2C bus> on iicbb0 master-only
> iic0: <I2C generic I/O> on iicbus0
> panic: device_busy: called for unattached device
> time = 1
> KDB: enter: panic
> [ thread pid 0 tid 100000 ]
> Stopped at      _DYNAMIC_LINKING+0x3:
> db>
> 

Can you post a backtrace of this panic please?  (enter 'bt' at the db>
prompt).

Also, if you need a quick fix, try reverting r348164. it is most likely
the cause of the problem.

-- Ian