Hello, On Thu, Sep 24, 2015 at 11:09:33AM -0700, Bart Van Assche wrote: > On 09/24/2015 10:49 AM, Tejun Heo wrote: > > Again, that doesn't happen. > > Hello Tejun, > > In case anyone would be interested, the backtraces for the lockup I had > observed are as follows:
If this is happening and it's not caused by a hung in-flight request, it's either percpu_ref being buggy or the forementioned kill/reinit race screwing it up. percpu_ref_kill() is expected to disable tryget_live() in a finite amount of time regardless of concurrent tryget tries. Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/