Re: Infiniband - dog slow on newer kernels

2016-05-10 Thread Ian Chapman
On 09/05/16 21:03, Ian Chapman wrote: On 09/05/16 20:36, Matthew Miller wrote: On Mon, May 09, 2016 at 06:45:27PM +0800, Ian Chapman wrote: Is anybody here use Infiniband on Fedora? More specifically IPoIB. I Is this a kernel bug, or has something significantly changed? Let's treat it as

Re: Infiniband - dog slow on newer kernels

2016-05-09 Thread Ian Chapman
On 09/05/16 20:36, Matthew Miller wrote: On Mon, May 09, 2016 at 06:45:27PM +0800, Ian Chapman wrote: Is anybody here use Infiniband on Fedora? More specifically IPoIB. I Is this a kernel bug, or has something significantly changed? Let's treat it as a bug -- can you file one, please?

Re: Infiniband - dog slow on newer kernels

2016-05-09 Thread Matthew Miller
On Mon, May 09, 2016 at 06:45:27PM +0800, Ian Chapman wrote: > Is anybody here use Infiniband on Fedora? More specifically IPoIB. I > have two machines directly connected via IB, one running F23 and the > other running F22. The IB card I have in both machines is a dual > port > Mellanox

Infiniband - dog slow on newer kernels

2016-05-09 Thread Ian Chapman
Hi All, Is anybody here use Infiniband on Fedora? More specifically IPoIB. I have two machines directly connected via IB, one running F23 and the other running F22. The IB card I have in both machines is a dual port Mellanox Technologies MT25418. Normally I can push about 9.8Gbit/sec between