Reducing noise in dmesg output

Astrodog astrodog at gmail.com
Thu Sep 3 00:17:35 UTC 2009


On Wed, Sep 2, 2009 at 9:56 AM, Nick Hibma<nick at van-laarhoven.org> wrote:
>> What is irrelevant is subjective...  I mean does the average user really
>> need to see anything in dmesg?  Please don't change agp_i810.c.  A
>> verbose boot is incredibly noisy and rarely needed for debugging
>> anything except the most deep rooted of issues.
>
> Please state arguments instead of this 'I think it is useful'. That's not
> going to cut it. If you feel strongly about the info that is being produced,
> an option would be to produce a (tested!) patch that combines more
> information on one line as a compromise.
>
> FreeBSD has historically been producing very limited output on dmesg. Linux
> is very noisy (ever noticed the copyright notices right in the middle of
> your list of PCI devices?). Even they have decided that they should hide
> this behind coloured 'ok/failed' texts in some distributions.
>
> FreeBSD has slowly been producing more and more output (most notably the USB
> subsystem up to 7.x) and I am intending to remove that clutter again, or at
> least compress it.
>
> Being swamped with information reduces its value rather than increase it.
>
> Nick

I think this speaks more towards needing something between "Very
Quiet" and "Give me everything every developer has ever wanted to know
enough to include a print for it."

--- Harrison


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