Question on quieting kernel boot
bde at zeta.org.au
Wed Jan 14 10:58:04 PST 2004
On Wed, 14 Jan 2004, Dag-Erling [iso-8859-1] Sm=F8rgrav wrote:
> "Rob MacGregor" <rob_macgregor at hotmail.com> writes:
> > I take it that's the "-m" (mute the console) and "-v" (verbose)
> > options? Where can I find details on exactly what these do?
> I don't know what -m does, but -v is what I was thinking of. It sets
> a variable in the kernel (bootverbose). Parts of the kernel will
> print additional information at boot time (and sometimes also at run
> time) if bootverbose is non-zero.
bootverbose is a general verboseness flags. It may be set on or off at
any time after using the debug.bootverbose sysctl. It's only relationships
with booting are:
- it is bogusly named "bootverbose"
- it can be set at boot time by booting with -v
- more messages are normally printed at boot time than later, so there is
more for the flag to affect at boot time.
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