* Randy Dunlap <[email protected]> wrote:
> > sometimes the kernel prints something interesting while userspace
> > bootup keeps messages turned off via loglevel. Enable the printing
> > of /all/ kernel messages via the "ignore_loglevel" boot option. Off
> > by default.
>
> Hi,
>
> Is this equivalent to using the "debug" kernel parameter except that
> userspace (init scripts) cannot muck it up (modify the setting)?
yeah.
> I've seen init scripts modify the loglevel, much to my dismay.
yeah - i once lost a few hours of debugging to such an incident.
> I'd say that this is useful, but it's really userspace that needs to
> be fixed.
well, loglevel /can/ be managed by userspace, and sometimes an important
kernel message might have a too high loglevel. Also, sometimes the
kernel does spurious messages during hardware detect, etc., so userspace
naturally wants to prevent them from going to the console. So it's
really a mix of a problem and i wouldnt put the blame on user-space.
User-space used the only control they have to fix the situation.
Ingo
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