On Wed, 2017-02-22 at 22:29 +0100, Paolo Valente wrote: > thanks for this second attempt of yours. Although, unfortunately, not > providing some clear indication of the exact cause of your hang (apart > from a possible deadlock), your log helped me notice another bug. > > At any rate, as I have just written to Jens, I have pushed a new > version of the branch [1] (not just added new commits, but also > integrated some old commit with new changes, to make it more quickly). > The branch now contains both a fix for the above bug, and, more > importantly, a fix for the circular dependencies that were still > lurking around. Could you please test it? Hello Paolo, I have good news: the same test system boots normally with the same kernel config I used during my previous tests and with the latest bfq-mq code (commit a965d19585c0) merged with kernel v4.10. Thanks, Bart.