This is related to the thread I stared on Feb 24 Re: [ofa-general] ***SPAM*** Mellanox ibv_reg_mr (memory region) function call fails under load when using the mlx4 driver
So far I have modified the "num_mtt" to 1 << 21, as Dotan suggested, but I will try some more values this weekend. I think the code for this is in ../drivers/net/mlx4/cmd.c mlx4_cmd( ... ) -ETIMEOUT > System Information: > > > > The system has 4GB of memory. > > > > uname -a > > Linux (none) 2.6.24.02.02.08 #21 SMP Thu Feb 19 11:04:35 PST 2009 ia64 > unknown > > > > OFED 1.2.5 > > > > lspci -d 15b3: > > > > 0000:10:00.0 InfiniBand: Mellanox Technologies MT25208 InfiniHost III Ex > (Tavor compatibility mode) (rev 20) > > 0000:c3:00.0 InfiniBand: Mellanox Technologies: Unknown device 634a (rev a0) > > > > lspci -d 15b3: -n > > 0000:10:00.0 0c06: 15b3:6278 (rev 20) > > 0000:c3:00.0 0c06: 15b3:634a (rev a0) > > > > ibv_devinfo -v > > hca_id: mlx4_0 > > fw_ver: 2.5.000 > > > > hca_id: mthca0 > > fw_ver: 4.8.930
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