Mailinglist Archive: opensuse-features (411 mails)

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[openFATE 306367] Boot fast (not just faster)
Feature changed by: Alvise Z (alvise_cav)
Feature #306367, revision 35
Title: Boot fast (not just faster)

openSUSE-11.2: Done
Requester: Mandatory
Projectmanager: Important

openSUSE-11.4: Duplicate of #310327
+ Master status: Evaluation by project manager
Requester: Mandatory

Requested by: Stephan Kulow (coolo)
Product Manager: (Novell)
Product Manager: (Novell)
Project Manager: (Novell)
Engineering Manager: (Novell)
Engineering Manager: (Novell)
Partner organization:

We need a feature to track the many little pieces needed to make
booting fast.

Business case (Partner benefit): Everyone loves fast boot. Other distributions claim to
maintain the crown.

#1: Stephan Kulow (coolo) (2009-04-16 15:44:32)
Didn't mean to save the feature yet, sorry. I meant to add: We need a
feature to track the many little pieces needed to make booting fast.

#3: Dean Hilkewich (deanjo13) (2009-08-29 15:25:03)
Working suspend > fast boot.

#4: Stephan Kulow (coolo) (2009-09-07 14:00:07)
we boot faster, many testers noted that. If we boot fast enough to ship
is up to PM

#5: Ulises Vega (usvatechdev) (2009-10-25 19:07:28)
I've read over the comments in
I'm able to contribute to this feature and not only able but eager of.
I'm not a Linux expert but more of a fan with some coding experience
:), I'm might need some guidance and ramp up time.
Please tell me where to take this discussion to so that I can start
getting involved practically.
I believe we should follow "a tackle the very root of all evil", if
possible. But it is still to be discussed the specific approach to be
Thanks for your help.

#6: Roman Bysh (romanator) (2010-01-25 00:05:13)
Let's starts asap for 11.3 and get it perfected by the time openSUSE
12.0 milestones are available.

#10: Stephan Kulow (coolo) (2010-01-25 16:33:26) (reply to #6)
Send in your patches now!

#7: Jan Engelhardt (jengelh) (2010-01-25 12:40:17)
bash is a little bloated, and everybody knows it. That is where one
should probably start.

#9: Stephan Kulow (coolo) (2010-01-25 16:33:11) (reply to #7)
"a little bloated"? If you can measure any boot time difference or any
sign of bash causing significant portion of the current boot time we
should start there. Until then I think you should start with finding
out what the problem is instead of claiming things.

#8: Jan Engelhardt (jengelh) (2010-01-25 12:48:28)
Oh on another note, some kernel modules were compiled-in in newer
kernels (such as ext3). IMHO, the idea is good, but I cannot agree with
a number of =y/=m choices that have been done in config/x86_64/default,
and the it seems that the discussion we had on the mailing list did not
really get anywhere, because people insisted that "oh let's include
PIIX=y because that's "common"" (this has reverted as of late, but I'm
just saying).
CONFIG_BLK_DEV_SD=m should be =y (heavily used, by libata and USB)
CONFIG_ATA=m should be =y (used by, well, ATA devices which I guess
many have)
CONFIG_EXT3_FS=y should be =m (thanks, but I am running ext4/xfs and
don't want to waste for ext3).
And so on.

#11: Stephan Kulow (coolo) (2010-01-25 16:34:46)
I close this feature as done. Booting fast is mainly about avoid
regressions and only in a second step speeding up piece by piece. For
11.2 we integrated tons of patches to boot faster, now the biggest task
is ongoing: avoid booting slower.

#18: Michael Meeks (michael_meeks) (2010-08-13 12:26:11)
I'd love to see the integration of systemd as part of this picture - it
looks extremely promising for improving boot time, though it needs some
I/O optimisation in parallel for HDDs.

#19: Roman Bysh (romanator) (2010-09-09 20:32:30)
I agree. Systemd could be the improvement that we have been looking for
better boot time.

#20: Thomas Schmidt (digitaltomm) (2010-10-27 11:05:31)
Systemd for 11.4 is tracked in feature #310327

openSUSE Feature:

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