pr_info in driver question

[Denis Kirjanov]

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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