See Patch 2 for details on the deadlock after two aio_context_acquire() calls race. This caused dataplane to hang on startup.
Patch 1 is a memory leak fix for AioContext that's needed by Patch 2. Stefan Hajnoczi (2): AioContext: avoid leaking BHs on cleanup AioContext: force event loop iteration using BH async.c | 29 +++++++++++++++++++++++++++-- include/block/aio.h | 3 +++ 2 files changed, 30 insertions(+), 2 deletions(-) -- 2.4.3
