On Thu, Feb 7, 2013 at 3:12 PM, harryxiyou <harryxi...@gmail.com> wrote: > The above debug info show jni will be used in coroutine. I do not > familay with coroutine, however I guess if coroutine not allow to > spawn a new thread? ,or it's stack corrupte with java jvm stack ? , > For when I modify bdrv_create out of coroutine , it can work - connect > to hdfs without any probleme.
Coroutines are allowed to create new threads. Coroutine stacks do not grow automatically but they have 1 MB, which should be enough. There are a number of other things that could be wrong here - missing/incorrect thread synchronization, the shared libraries you are importing messing with the environment (signal masks, signal handlers), etc. Stefan
