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Date: Tue, 13 Apr 2010 09:28:14 -0700 From: "Tung, Chien Tin" <chien.tin.tung@...el.com> To: Andrea Gozzelino <Andrea.Gozzelino@....infn.it>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>, "rolandd@...co.com" <rolandd@...co.com>, "peterz@...radead.org" <peterz@...radead.org>, "pavel@....cz" <pavel@....cz>, "mingo@...e.hu" <mingo@...e.hu>, Eric B Munson <ebmunson@...ibm.com>, Steve Wise <swise@...ngridcomputing.com> Subject: RE: Socket Direct Protocol: help (2) >I add that in kernel space SDP debug the error is: > >command line: dmesg >sdp_init_qp:95 sdp_sock( 2100:2 40720:0): recv sge's. capability: 4 >needed: 9 >sdp_init_qp:95 sdp_sock( 2100:2 41203:0): recv sge's. capability: 4 >needed: 9 > >The structure sdp_init_qp() is defined in >/usr/src/ofa_kernel-1.5.1/drivers/infiniband/ulp/sdp/sdp_cma.c (lines 76 >- 141) NE020 supports 4 SGEs. I don't know enough about SDP to know why it is using this calculation for # of send_sge: #define SDP_MAX_RECV_SKB_FRAGS (PAGE_SIZE > 0x8000 ? 1 : 0x8000 / PAGE_SIZE) >Could be a firmware problem? This is not a firmware problem. Chien -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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