On Sun, Mar 30, 2014 at 1:27 PM, Shamir Rabinovith <[email protected]> wrote: > On Thu, Mar 27, 2014 at 10:38:19AM +0200, Or Gerlitz wrote: >> sorry, but you didn't provide an answer to my question - why is >> ibv_open_device failing if called from N > M (what's >> N and what's M) processes/threads. >> >> Or. > > The limit is due to firmware UAR BAR size. The issue happen here: > ib_uverbs_get_context -> ibdev->alloc_ucontext -> mlx4_ib_alloc_ucontext > -> mlx4_uar_alloc -> mlx4_bitmap_alloc . [...]
So what **exact** operation in librdmacm fails after N processes loaded the library on a node with M HCAs and what are N and M? Or. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
