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([2001:171b:2265:9620:6c90:a12e:9d78:72]) by smtp.gmail.com with ESMTPSA id e4sm5354583edk.38.2020.10.17.08.10.49 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Oct 2020 08:10:50 -0700 (PDT) Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) Subject: Re: how to pass log level to 7 from u-boot From: Ezra Buehler In-Reply-To: Date: Sat, 17 Oct 2020 17:10:47 +0200 Message-Id: <364754F6-E9E3-40AD-812B-D1B50C302EA2@easyb.ch> References: To: Tomek The Messenger X-Mailer: Apple Mail (2.3608.120.23.2.1) Cc: kernelnewbies X-BeenThere: kernelnewbies@kernelnewbies.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Learn about the Linux kernel List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kernelnewbies-bounces@kernelnewbies.org Hi Tomek, On 17 Oct 2020, at 14:57, Tomek The Messenger wrote: > Does anybody of You know how to pass it from u-boot? I can stop in u-boot and pass log level 7 but I don't know what command should I write in order to do it. Try adding `loglevel=7` to the `bootargs` U-Boot environment variable. You can do that with the `setenv` command (https://www.denx.de/wiki/view/DULG/UBootEnvVariables). You probably also want to set something like `earlyprintk=serial`. On the Kernel parameters: https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html Good luck, Ezra. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies