From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Leon Romanovsky <leonro-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: Joao Pinto <Joao.Pinto-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>,
matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Issue with MLX5 IB driver
Date: Wed, 31 May 2017 12:44:26 -0700 [thread overview]
Message-ID: <20170531194426.GA23120@infradead.org> (raw)
In-Reply-To: <20170531161819.GK5406-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
On Wed, May 31, 2017 at 07:18:19PM +0300, Leon Romanovsky wrote:
> I think that you are hitting the side effect of these commits
> 7d0cc6edcc70 ("IB/mlx5: Add MR cache for large UMR regions") and
> 81713d3788d2 ("IB/mlx5: Add implicit MR support")
>
> Do you have CONFIG_INFINIBAND_ON_DEMAND_PAGING on? Can you disable it
> for the test?
Eww. Please make sure mlx5 gracefully handles cases where it can't use
crazy amount of memory, including disabling features like the above
at runtime when the required resources aren't available.
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next prev parent reply other threads:[~2017-05-31 19:44 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 15:59 Issue with MLX5 IB driver Joao Pinto
[not found] ` <ae8a8bbf-edb5-1909-824c-f98384f506b0-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2017-05-31 16:18 ` Leon Romanovsky
[not found] ` <20170531161819.GK5406-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-05-31 16:39 ` Majd Dibbiny
2017-05-31 19:44 ` Christoph Hellwig [this message]
[not found] ` <20170531194426.GA23120-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2017-06-01 4:30 ` Leon Romanovsky
[not found] ` <20170601043013.GN5406-U/DQcQFIOTAAJjI8aNfphQ@public.gmane.org>
2017-06-01 10:05 ` Joao Pinto
[not found] ` <09d8f6bc-5994-82d1-9a0f-59540b6c525f-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2017-06-01 11:18 ` Joao Pinto
[not found] ` <fbb4b7cb-e3e4-b540-22e4-5d920857e8fe-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2017-06-01 11:57 ` Majd Dibbiny
[not found] ` <52727D4A-F647-4924-8DF0-4D7F248626AA-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-06-01 11:59 ` Joao Pinto
[not found] ` <7a4e8dce-f1af-d664-bb0b-062f84b45b60-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2017-06-01 12:07 ` Majd Dibbiny
[not found] ` <E798E910-E897-4C14-9161-BE1220D412DF-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-06-01 12:08 ` Joao Pinto
[not found] ` <455d9539-8284-7e8d-fe8b-17035b511e9d-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2017-06-01 18:40 ` Issue with Infiniband / MLX5 IB driver when running opensm Joao Pinto
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