On Thu, Jun 10, 2010 at 09:59:21AM -0700, Arthur Kepner wrote: > > The mlx4_core driver allocates 'nreq' msix vectors (and irqs), > where: > > nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, > num_possible_cpus() + 1); > > ConnectX HCAs support 512 event queues (4 reserved). On a system > with enough processors, we get: > > mlx4_core 0006:01:00.0: Requested 508 vectors, but only 256 MSI-X vectors > available, trying again > > Further attempts (by other drivers) to allocate interrupts fail, > because mlx4_core got 'em all. > > How about this? >
Hi Arthur, how many CPU cores are in your system? What kernel version did you use? -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
