Re: "memory management error" with NFS/RDMA on RoCE

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jun 27, 2017 at 10:08 AM, Sagi Grimberg <sagi@xxxxxxxxxxx> wrote:
>> Hi Sagi-
>>
>>> On Jun 27, 2017, at 5:28 AM, Sagi Grimberg <sagi@xxxxxxxxxxx> 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.
>>>
>>>
>>> Is this a regression?
>>
>>
>> I can't answer that question with authority, because I just
>> started trying out NFS/RDMA on RoCE with mlx5. But Robert has
>> reported very similar symptoms with iSER on v4.9. It appears
>> to have been around for a while, if these are the same.
>
>
> Is Robert running 4.9 on the initiator side?

Yes, this was 4.9 on the initiator side.
----------------
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



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Photo]     [Yosemite News]     [Yosemite Photos]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux