108 seconds to start F18 64

[Adam Williamson]

On Mon, 2013-01-07 at 18:22 -0500, Felix Miata wrote:
> On 2013-01-07 18:05 (GMT-0500) Felix Miata composed:
> 
> > On 2013-01-07 12:46 (GMT+0100) Matthias Runge composed:
> 
> >> On 01/07/2013 12:28 PM, Felix Miata wrote:
> 
> >>> Also, several seconds for login prompt to appear on each tty where
> >>> not previously used on that boot.
> 
> >>> cmdline: root=LABEL=h50root13 rd.md=0 rd.lvm=0 rd.dm=0 SYSFONT=True
> >>> KEYTABLE=us rd.luks=0 video=1024x768 LANG=en_US.UTF-8
> >>> splash=verbose video=1152x864 at 70 3
> 
> >>> /var/log/boot.log:
> >>> http://fm.no-ip.com/Tmp/Linux/bootlog-f18-big41.txt
> 
> >>> What needs to be installed to capture messages from before
> >>> reaching target Basic System? tty1 is cleared, and I can never
> >>> remember how to prevent that, or find instructions to do so, since
> >>> systemd replaced sysvinit. :-(
> 
> >> Instead you should:
> 
> >> yum install systemd-analyze
> 
> >> and then execute systemd-analyze blame
> >> or systemd-analyze plot > bootchart.svg
> >> (probably the latter, and please post that graphic somewhere)
> 
> > Thanks!
> 
> > http://fm.no-ip.com/Tmp/Linux/bootchart-big41-f18.svg
> 
> > FWIW, on the 98s boot in this graphic, the occasional use eSATA device
> > counted within the 108s was powered down.
> 
> Another with the eSATA device powered at POST, and with clock corrected for 
> non-working NTP (0.5s shorter):
> http://fm.no-ip.com/Tmp/Linux/bootchart-big41-f18b.svg
> 
> Waiting on every login prompt on a tty is very annoying. Can they be 
> configured to start at boot instead of on demand? When booting with 3 on 
> cmdline it seems nuts that they don't.

Yes, you'd just have to adjust the systemd service config for
getty at .service . But the spawning should be just about instantaneous on
any reasonable config. If you have to wait for the tty to appear that
sounds like a bug.
-- 
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora
http://www.happyassassin.net