Hello, On Wed, Sep 02, 2015 at 10:53:07AM -0400, Tejun Heo wrote: > On Sun, Aug 30, 2015 at 08:30:41AM -0400, Josh Boyer wrote: > I think the offending commit is 776687bce42b ("block, blk-mq: draining > can't be skipped even if bypass_depth was non-zero"). It looks like > the patch makes shutdown path travel data structure which is already > destroyed. Will post the fix soon. Hmm... I can't reproduce it here or see how such oops would happen. * Is the problem reproducible on v4.2? If so, can you please describe the steps to reproduce? How is cgroup set up? * Can you please run gdb or addr2line on it and report which line is causing the oops? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html