On Mon, 2018-11-12 at 13:03 +0000, Corentin Labbe wrote:
> While working on detector of new warn/err/crit/... messages, I found that the
> following messages was printed with the warn loglevel:
> [ 0.001607] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc.,
> Ingo Molnar
> [ 0.001625] ... MAX_LOCKDEP_SUBCLASSES: 8
> [ 0.001641] ... MAX_LOCK_DEPTH: 48
> [ 0.001658] ... MAX_LOCKDEP_KEYS: 8191
> [ 0.001673] ... CLASSHASH_SIZE: 4096
> [ 0.001689] ... MAX_LOCKDEP_ENTRIES: 32768
> [ 0.001704] ... MAX_LOCKDEP_CHAINS: 65536
> [ 0.001719] ... CHAINHASH_SIZE: 32768
> [ 0.001735] memory used by lock dependency info: 4623 kB
>
> While the cause is still unknown to me, converting printk to pr_info fixed
> the issue.
because in lib/Kconfig.debug
config MESSAGE_LOGLEVEL_DEFAULT
int "Default message log level (1-7)"
range 1 7
default "4"
help
Default log level for printk statements with no specified priority.
This was hard-coded to KERN_WARNING since at least 2.6.10 but folks
that are auditing their logs closely may want to set it to a lower
priority.
