Re: Strange output on the console

From: Sergey Senozhatsky
Date: Thu Feb 24 2022 - 23:58:35 EST


On (22/02/24 23:00), Steven Rostedt wrote:
> I've been noticing that my tests have been spitting out strange output on
> the console. It would happen at boot up and then clear up. It looks like
> something screwed up with the serial timing.
>
> Attached is a dmesg of one of my test runs as an example.
>
> I've noticed this on both 32 bit and 64 bit x86.
>
> I haven't had time to look deeper into this, but I figured I let you know
> about it.
>
> And it always seems to happen right after:
>
> Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
>
> Maybe this is a serial issue and not a printk one? :-/

Steven, did you notice this recently?
May I perhaps suggest git bisect? (sorry)