Re: [PATCH 0/1] ib_srp mr allocation failure

Leon Romanovsky
2016-12-28T05:48:20Z

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On Tue, Dec 27, 2016 at 08:49:11PM +0200, Max Gurtovoy wrote:
> From: Israel Rukshin <israelr-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
>
> Hi,
>
> While running traffic with multiple jobs I had those errors:
> scsi host8: ib_srp: Failed to map data (-12)
> scsi host8: ib_srp: Failed to map data (-12)
> ...
>
> The reason for the map failurs are SG gaps.
> This bug happens to me only with CX4 because it supports SG gaps registration.
> I fixed this issue by allocating the mr with IB_MR_TYPE_SG_GAPS.
>
> Should it be pushed also to stable kernel code ?

It looks so.

>
> Israel Rukshin (1):
> IB/srp: fix mr allocation when the device supports sg gaps
>
> drivers/infiniband/ulp/srp/ib_srp.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> --
> 1.8.4.3
>
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