From: Denis Kirjanov <dkirjanov@suse.de>
To: A mp <ampklabs@gmail.com>, kernelnewbies@kernelnewbies.org
Subject: Re: pr_info in driver question
Date: Wed, 6 Jul 2022 10:53:12 +0300 [thread overview]
Message-ID: <06f10c25-0492-2b6f-3807-7c5199f15dc1@suse.de> (raw)
In-Reply-To: <20220706064736.lhsjwf3yrpjwquuz@mycloud>
On 7/6/22 09:47, A mp wrote:
> Hi everyone,
>
> My name is Andrew.
>
> Recently, I went through the Linux Foundations intro to kernel development course. As part of the course, it gets us to put a print statement inside of the uvcvideo driver, recompile the kernel and then load the module and check dmesg for the print statement.
>
> After several attempts, I was unable to find this print statement inside of dmesg. I know that the modified drier was compiling successfully and my custom kernel was indeed installed but no idea about this pr_info statement.
>
> I tried this in Ubuntu and Fedora inside of virtualbox. Not sure if that would make any difference.
echo "7" > /proc/sys/kernel/printk
and make sure that you have your module listed in lsmod
>
> Thanks,
>
> Andrew.
>
>
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> Kernelnewbies@kernelnewbies.org
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next prev parent reply other threads:[~2022-07-06 7:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-06 6:47 pr_info in driver question A mp
2022-07-06 7:53 ` Denis Kirjanov [this message]
[not found] ` <20220706075833.h7v7krobysyxqnat@mycloud>
2022-07-06 8:32 ` Denis Kirjanov
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