RE: NFS over RDMA crashing

Yan Burman
2013-02-07T15:54:13Z

> -----Original Message-----
> From: Jeff Becker [mailto:jeffrey.c.becker-NSQ8wuThN14@public.gmane.org]
> Sent: Wednesday, February 06, 2013 19:07
> To: Steve Wise
> Cc: Yan Burman; bfields-uC3wQj2KruNg9hUCZPvPmw@public.gmane.org; linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; linux-
> rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org; Or Gerlitz; Tom Tucker
> Subject: Re: NFS over RDMA crashing
>
> Hi. In case you're interested, I did the NFS/RDMA backports for OFED. I
> tested that NFS/RDMA in OFED 3.5 works on kernel 3.5, and also the RHEL
> 6.3 kernel. However, I did not test it with SRIOV. If you test it
> (OFED-3.5-rc6 was released last week), I'd like to know how it goes. Thanks.
>
> Jeff Becker
>
> On 02/06/2013 07:58 AM, Steve Wise wrote:
> > On 2/6/2013 9:48 AM, Yan Burman wrote:
> >> When I moved to commit 79f77bf9a4e3dd5ead006b8f17e7c4ff07d8374e I
> was
> >> no longer getting the server crashes, so the reset of my tests were
> >> done using that point (it is somewhere in the middle of 3.7.0-rc2)
> >>
> > +tom tucker
> >
> > I'd try going back a few kernels, like to 3.5.x and see if things are
> > more stable. If you find a point that works, then git bisect might
> > help identify the regression.
> > --

Vanilla 3.5.7 seem to work OK out of the box.
I will try 3.6 next week + performance comparisons.

Yan