On Tue, 2013-06-18 at 11:22 -0700, Andi Kleen wrote: > Peter Bergner <berg...@vnet.ibm.com> writes: > > > > I have yet to track down who has the write lock and why, but I am working > > towards that. Talking with Andreas, he said he is seeing the same failure > > on S390, so I'm wondering whether this might be a generic libitm issue > > and it might hit Intel too. Does anyone know whether this executes > > correctly > > on Intel hardware with RTM? I'll note that if I hack the call to > > FWIW on a TSX system I get the following for libitm with current > trunk. So no hangs on reentrant at least.
Given Torvald's comment, can you verify whether your hw txn succeeds (all the way to commit) or whether it is failing and somehow skips the fall through code that is hanging for us (Power and S390)? Thanks! Peter
