Speeding up boot

Scott James Remnant scott at ubuntu.com
Mon Feb 6 14:04:11 GMT 2006


On Sun, 2006-02-05 at 21:54 +0000, Joao Inacio wrote:

> On 2/4/06, Joao Inacio <jcinacio at gmail.com> wrote:
> > Hi everyone,
> >
> > i hve been doing many tests to see how i could optimise my boot times,
> > and i must say the results are not bad at all! [1]
> >
> 
> I messed up and forgot to link my bootchart [1], so here it goes:
> 
> [1] http://img153.imageshack.us/img153/6212/dapper20060205129qd.png
> 
Judging from your chart, you're trying to run several different services
at once -- especially during rcS.  This is not only completely
unsupported, but will almost certainly lead to unreliable running of
your machine.

In particular:
  S07linux-restricted-modules must run before S10udev otherwise 
  restricted drivers may not be loaded.

  S11mountdevsubfs must run *after* S10udev otherwise /dev/pts
  and /dev/shm may not be mounted correctly

  S20checkroot.sh must run after S10udev otherwise the device node for
  the root device may not exist (on non-initramfs systems)

  S08loopback must run before S10udev otherwise you may fail to obtain
  DHCP for network interfaces

Scott
-- 
Scott James Remnant
scott at ubuntu.com
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