Please try Linux kernel at http://people.canonical.com/~khfeng/lp1682456/
I cherry-picked two commits into Xenial kernel: 3fe7292f621a4fc9a52aff3a61dde21f24317810 md: fix refcount problem on mddev when stopping array. a841891c56826e6086a8a24ed9c036b71d023d75 md: changes for MD_STILL_CLOSED flag
Please try Linux kernel at http:// people. canonical. com/~khfeng/ lp1682456/
I cherry-picked two commits into Xenial kernel: 9a52aff3a61dde2 1f24317810 md: fix refcount problem on mddev when stopping array. 086a8a24ed9c036 b71d023d75 md: changes for MD_STILL_CLOSED flag
3fe7292f621a4fc
a841891c56826e6