linux-kernel - Re: [PATCH tty-next v5 5/6] serial: 8250: Switch to nbcon console

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Message-ID: <bee7de35-e767-4c69-94ad-d09c92a3577a@nvidia.com>
Date: Thu, 16 Jan 2025 10:41:08 +0000
From: Jon Hunter <jonathanh@...dia.com>
To: John Ogness <john.ogness@...utronix.de>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Jiri Slaby <jirislaby@...nel.org>, Petr Mladek <pmladek@...e.com>,
 Sergey Senozhatsky <senozhatsky@...omium.org>,
 Steven Rostedt <rostedt@...dmis.org>, Thomas Gleixner <tglx@...utronix.de>,
 Esben Haabendal <esben@...nix.com>, linux-serial@...r.kernel.org,
 linux-kernel@...r.kernel.org,
 Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Arnd Bergmann <arnd@...db.de>, Tony Lindgren <tony@...mide.com>,
 Niklas Schnelle <schnelle@...ux.ibm.com>,
 Serge Semin <fancer.lancer@...il.com>,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH tty-next v5 5/6] serial: 8250: Switch to nbcon console


On 16/01/2025 10:38, John Ogness wrote:
> On 2025-01-16, Jon Hunter <jonathanh@...dia.com> wrote:
>>> Do you at least know if it is failing to suspend or failing to resume
>>> (based on power consumption)?
>>
>>
>> Unfortunately, I don't. These are farm boards and so nothing local I can
>> get my hands on. For some reason all the serial console logs are not
>> available and so I am going to talk to the farm team about fixing that
>> because we should at least have serial logs.
> 
> Can you confirm that the board is actually booting? The suspend code for
> 8250_tegra.c is quite simple. I am wondering if the farm tests are
> failing somewhere else, such as the atomic printing during early boot.


Yes they are all booting fine. I have an independent boot test and that 
is passing. It is just the suspend test that is failing.

Thanks
Jon

-- 
nvpublic