RE: system hang on start-up (mlx5?)

From: Eli Cohen <elic@nvidia.com>
To: Chuck Lever III <chuck.lever@oracle.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma <linux-rdma@vger.kernel.org>,
	"open list:NETWORKING [GENERAL]" <netdev@vger.kernel.org>
Subject: RE: system hang on start-up (mlx5?)
Date: Wed, 3 May 2023 06:34:10 +0000	[thread overview]
Message-ID: <DM8PR12MB54003FBFCABCCB37EE807B45AB6C9@DM8PR12MB5400.namprd12.prod.outlook.com> (raw)
In-Reply-To: <A1E5B427-897B-409E-B8E3-E417678E81F6@oracle.com>

Hi Chuck,

Just verifying, could you make sure your server and card firmware are up to date?

Will try to see if I can reproduce this here.

> -----Original Message-----
> From: Chuck Lever III <chuck.lever@oracle.com>
> Sent: Wednesday, 3 May 2023 4:03
> To: Eli Cohen <elic@nvidia.com>
> Cc: Saeed Mahameed <saeedm@nvidia.com>; Leon Romanovsky
> <leon@kernel.org>; linux-rdma <linux-rdma@vger.kernel.org>; open
> list:NETWORKING [GENERAL] <netdev@vger.kernel.org>
> Subject: system hang on start-up (mlx5?)
> 
> Hi-
> 
> I have a Supermicro X10SRA-F/X10SRA-F with a ConnectX®-5 EN network
> interface card, 100GbE single-port QSFP28, PCIe3.0 x16, tall bracket;
> MCX515A-CCAT
> 
> When booting a v6.3+ kernel, the boot process stops cold after a
> few seconds. The last message on the console is the MLX5 driver
> note about "PCIe slot advertised sufficient power (27W)".
> 
> bisect reports that bbac70c74183 ("net/mlx5: Use newer affinity
> descriptor") is the first bad commit.
> 
> I've trolled lore a couple of times and haven't found any discussion
> of this issue.
> 
> 
> --
> Chuck Lever
> 