This does exit right away, with the same failure as ibv_devinfo: [root at storage0 ~]# ib_send_bw ------------------------------------------------------------------ Send BW Test Connection type : RC libibverbs: Warning: no userspace device-specific driver found for /sys/class/infiniband_verbs/uverbs0 No IB devices found .. Lana (lana.deere at gmail.com) On Tue, Oct 19, 2010 at 7:11 PM, Joe Landman <landman at scalableinformatics.com> wrote: > On 10/19/2010 07:02 PM, Lana Deere wrote: > >> [root at storage0 ~]# ibv_devinfo >> libibverbs: Warning: no userspace device-specific driver found for >> /sys/class/infiniband_verbs/uverbs0 >> No IB devices found > > [...] > >> 05:00.0 InfiniBand: Mellanox Technologies MT26428 [ConnectX VPI PCIe >> 2.0 5GT/s - IB QDR / 10GigE] (rev b0) > > hmmmm > > try > > ? ? ? ?ib_send_bw > > and let me know if it exits right away ... > > -- > Joseph Landman, Ph.D > Founder and CEO > Scalable Informatics, Inc. > email: landman at scalableinformatics.com > web ?: http://scalableinformatics.com > ? ? ? http://scalableinformatics.com/jackrabbit > phone: +1 734 786 8423 x121 > fax ?: +1 866 888 3112 > cell : +1 734 612 4615 >