On 03/02/2016 06:21 PM, kernel test robot wrote:
> FYI, we noticed the below changes on
>
> https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git io-streamid
> commit 3d63546519428f2ed1b79e93e4321cf37c5a0d83 ("block: add support for carrying a stream ID in a bio")
>
>
> udevd[279]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv of:Ni2c-test-busT<NULL>Cunittest-i2c-bus': No such file or directory
> [    3.768664] ------------[ cut here ]------------
> [    3.768664] ------------[ cut here ]------------
> [    3.769406] kernel BUG at block/bio.c:163!
> [    3.769406] kernel BUG at block/bio.c:163!

It's a known bug, it's fixed in the current branch.

-- 
Jens Axboe