netdev - Re: system hang on start-up (mlx5?)

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Date: Wed, 3 May 2023 14:02:33 +0000
From: Chuck Lever III <chuck.lever@...cle.com>
To: Eli Cohen <elic@...dia.com>
CC: Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
        linux-rdma <linux-rdma@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]"
	<netdev@...r.kernel.org>
Subject: Re: system hang on start-up (mlx5?)



> On May 3, 2023, at 2:34 AM, Eli Cohen <elic@...dia.com> wrote:
> 
> Hi Chuck,
> 
> Just verifying, could you make sure your server and card firmware are up to date?

Device firmware updated to 16.35.2000; no change.

System firmware is dated September 2016. I'll see if I can get
something more recent installed.


> Will try to see if I can reproduce this here.
> 
>> -----Original Message-----
>> From: Chuck Lever III <chuck.lever@...cle.com>
>> Sent: Wednesday, 3 May 2023 4:03
>> To: Eli Cohen <elic@...dia.com>
>> Cc: Saeed Mahameed <saeedm@...dia.com>; Leon Romanovsky
>> <leon@...nel.org>; linux-rdma <linux-rdma@...r.kernel.org>; open
>> list:NETWORKING [GENERAL] <netdev@...r.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
>> 
> 

--
Chuck Lever