A little more info.
/etc/sysctl.d/99-mystuff.conf:
#define KERN_EMERG "<0>" /* system is unusable */
#define KERN_ALERT "<1>" /* action must be taken immediately */
#define KERN_CRIT "<2>" /* critical conditions */
#define KERN_ERR "<3>" /* error conditions */
#define KERN_WARNING "<4>" /* warning conditions */
#define KERN_NOTICE "<5>" /* normal but significant condition */
#define KERN_INFO "<6>" /* informational */
#define KERN_DEBUG "<7>" /* debug-level messages */
#- console_loglevel: messages with a higher priority than
# this will be printed to the console
#- default_message_level: messages without an explicit priority
# will be printed with this priority
#- minimum_console_loglevel: minimum (highest) value to which
# console_loglevel can be set
#- default_console_loglevel: default value for console_loglevel
# console is too verbose
kernel.printk = 3 4 1 7
Bill
On 5/12/2017 2:51 PM, stan wrote:
On Wed, 3 May 2017 15:42:47 -0700
stan <[email protected]> wrote:
I run the 4.11 kernels on F25. For the last couple of kernels I've
compiled, they constantly write messages from auditd to the virtual
consoles. Working away, and suddenly 10 lines of output appear and
overwrite the console.
My original solution of changing auditd rules was wrong. It turns out
that this is an issue with printk log messages from the kernel. Here
is some information from the link below discussing this.
...
I suggest you alter your /etc/sysctl.conf. Specifcally, you want to
tweak the kernel.printk line.
# Uncomment the following to stop low-level messages on console
kernel.printk = 3 4 1 3
Display:
# sysctl kernel.printk
kernel.printk = 7 4 1 7
The separators in the output are single tabs, btw.
Set. Here the separators are just spaces. Works as well.
# sysctl -w kernel.printk="3 4 1 3"
kernel.printk = 3 4 1 3
# sysctl kernel.printk
kernel.printk = 3 4 1 3
See man sysctl - "configure kernel parameters at runtime" for more.
...
https://superuser.com/questions/351387/how-to-stop-kernel-messages-from-flooding-my-console
When I set the printk bar to 3 4 1 3, the messages stopped because they
weren't high enough priority. Lower number is higher priority.
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