On Thu, Sep 25, 2014 at 7:06 PM, Andrei Mikhailovsky <andrei at arhont.com> wrote: > Ilya, > > I've not used rbd map on older kernels. Just experimenting with rbd map to > have an iscsi and nfs gateway service for hypervisors such as xenserver and > vmware. I've tried it with the latest ubuntu LTS kernel 3.13 I believe and > noticed the issue. > Can you not reproduce the hang tasks when doing dd testing? have you tried > 4K block sizes and running it for sometime, like I have done? I forget which block size I tried, but it was one that you reported on the tracker, I didn't make up my own. I'll try it exactly the way you described in your previous mail. Thanks, Ilya