On Thu, Jun 22, 2017 at 12:28 PM, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote: > While running xfstests on an NFS/RDMA mount, I see this in > the client's /var/log/messages multiple times: > > Jun 22 14:13:45 manet kernel: mlx5_0:dump_cqe:275:(pid 0): dump error cqe > Jun 22 14:13:45 manet kernel: 00000000 00000000 00000000 00000000 > Jun 22 14:13:45 manet kernel: 00000000 00000000 00000000 00000000 > Jun 22 14:13:45 manet kernel: 00000000 00000000 00000000 00000000 > Jun 22 14:13:45 manet kernel: 00000000 08007806 250000cd 024027d3 > Jun 22 14:13:45 manet kernel: rpcrdma: fastreg: memory management operation error (6/0x78) > > As far as I can tell the client is able to recover and continue > the test. However, this error is not supposed to happen in normal > operation. > > This is with a Mellanox CX4 in RoCEv1 mode, v4.12-rc2. > > > -- > Chuck Lever Surprisingly, I've hit this today on iSER, but using 4.9 using CX4 ROcEv2 IPv6: [Thu Jun 22 14:37:11 2017] mlx5_0:dump_cqe:262:(pid 0): dump error cqe [Thu Jun 22 14:37:11 2017] 00000000 00000000 00000000 00000000 [Thu Jun 22 14:37:11 2017] 00000000 00000000 00000000 00000000 [Thu Jun 22 14:37:11 2017] 00000000 00000000 00000000 00000000 [Thu Jun 22 14:37:11 2017] 00000000 08007806 2500011f ca4f0fd3 [Thu Jun 22 14:37:11 2017] iser: iser_err_comp: memreg failure: memory management operation error (6) vend_err 78 [Thu Jun 22 14:37:11 2017] connection4:0: detected conn error (1011) ---------------- Robert LeBlanc PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html