Re: Kernel oops/panic with NFS over RDMA mount after disrupted Infiniband connection

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On 03/26/2014 07:15 PM, Chuck Lever wrote:
> 
> Hi Rafael-
> 
> I’ll take a look. Can you report your HCA and how you reproduce this issue?

The HCA is Mellanox Technologies MT26428.

Reproduction:
1) Mount a directory via NFS/RDMA
mount -t nfs -o port=20049,rdma,vers=4.0,timeo=900 172.16.100.2:/ /mnt/
2) Pull the Infiniband cable or use ibportstate to disrupt the Infiniband connection
3) ls /mnt
4) wait 5-30 seconds

> 
> Do you (or does anyone) know whether OpenSuSE uses the stock upstream providers, or has any of OFED been applied to this kernel?

My first post was misleading -- I use the vanilla 3.10.17 kernel, and the error occurs with and without Mellanox OFED. The above report
references the vanilla kernel.

Rafael

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