Re: Weird character in kernel message

From: Markus Trippelsdorf
Date: Sun Sep 14 2014 - 01:55:04 EST


On 2014.09.14 at 07:09 +0200, Markus Trippelsdorf wrote:
> Just noticed this today:
>
> Sep 14 06:51:57 x4 kernel: [sched_delayed] ^a4CE: hpet increased min_delta_ns to 20115 nsec
>
> in hex:
> 20 01 34 43 45 3A 20
>
> Must be a recent regression.

It looks like a combination of commit 504d58745c9ca and commit
458df9fd4815b causes the issue.
458df9fd4815b changed the loglevel of printk_deferred to a hardcoded
KERN_WARNING. And 504d58745c9ca changed the printk in
kernel/time/clockevents.c to printk_deferred.
But now the KERN_WARNING loglevel of printk_deferred in
kernel/time/clockevents.c is redundant and responsible for the weird
01 34 character combination (KERN_SOH "4").

--
Markus
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