<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">i don't like it, it's to retro for me.. i like things like a compiler n stuff.<br><br>--- On <b>Sun, 25/10/09, paul lancaster <i><paul_lancaster@blueyonder.co.uk></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: paul lancaster <paul_lancaster@blueyonder.co.uk><br>Subject: Re: [dundee] laptop mode power saving<br>To: "Tayside Linux User Group" <dundee@lists.lug.org.uk><br>Date: Sunday, 25 October, 2009, 12:46 PM<br><br><div id="yiv244212655">
<style></style>
<div><font face="Arial" size="2">Try Puppy linux it works from ram - remove the HDD,
boot from usb :)</font></div>
<div><font face="Arial" size="2"></font> </div>
<div><font face="Arial" size="2">Paul</font></div>
<blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px;">
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;">----- Original Message ----- </div>
<div style="background: rgb(228, 228, 228) none repeat scroll 0% 0%; font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial;"><b>From:</b>
<a rel="nofollow" title="toxicnaan@yahoo.co.uk" ymailto="mailto:toxicnaan@yahoo.co.uk" target="_blank" href="/mc/compose?to=toxicnaan@yahoo.co.uk">Lee
Hughes</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"><b>To:</b> <a rel="nofollow" title="dundee@lists.lug.org.uk" ymailto="mailto:dundee@lists.lug.org.uk" target="_blank" href="/mc/compose?to=dundee@lists.lug.org.uk">Tayside Linux User Group</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"><b>Sent:</b> Sunday, October 18, 2009 2:06
PM</div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none;"><b>Subject:</b> [dundee] laptop mode power
saving</div>
<div><br></div>
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<td valign="top">Right,<br><br>has any got laptop mode working
successfully , i'm trying to get my hard disk to spin down as long as
possible, <br><br>i've been using a combination of lm-profile, iotop -o
-d 10 -b<br><br>now, i've nailed fire fox from fsyncing all the
time, that's improved things some what,<br><a rel="nofollow" target="_blank" href="http://www.dslreports.com/forum/r23159573-Re-Make-Firefox-3x-more-responsive-with-a-simple-trick">http://www.dslreports.com/forum/r23159573-Re-Make-Firefox-3x-more-responsive-with-a-simple-trick</a><br><br>it's
also faster too boot!<br><br>however, my hard disk sleeps for
about 2mins, i've zapped syslog and klog for testing,<br>so there should
be nothing on the system that should need to wake the disk for
writing.<br><br>however, kkjournald is waking the disk up, (presumable
to write the journal to disk)<br>but the file system is mounted with
<br><br>/dev/sda1 on / type ext3
(rw,relatime,errors=remount-ro,commit=600)<br><br>so, it should only
commit every 10 mins, or when we run low on memory.<br><br> PID
USER DISK READ DISK
WRITE SWAPIN IO
COMMAND<br> 807
root 0
B/s 5.54 K/s 0.00 % 0.00 %
[kjournald]<br> 3911
user 0
B/s 0.40 K/s 0.00 % 0.00 %
gnome-power-manager<br><br><br>oh,actually i wonder if it's the
gnome power manager, how ironic.. looks like<br>the gnome power manager
might be forcing a sync...<br><br>yes, it seems that a lot of gnome
componets are doing a fsync, thus waking my disk<br>up.. :-(<br><br>all
i want is, while i'm not reading new data(i.e uncached data from disk) ,
i want<br>applications to write (but delay that write until I say, or a
timeout value).<br><br>i think over use of the fsync call may be answer,
but i think there's more to it than that.<br><br>my harddrives now been
dormant for 10mins.... spin down nirvarna has been
reached.<br><br>looks like killing the gnome power meter has stopped the
spin ups... now that's<br>ironic.. any replacements? or shall i go
and hack it.<br><br>i wonder if this would do ssd's good
too.<br><br>thoughts?<br><br>Cheers,<br><br>Lee<br><br><br><br><br><br><br><br><br><br><br></td></tr></tbody></table><br>
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Date: 10/25/09 08:10:00<br></blockquote></div><br>-----Inline Attachment Follows-----<br><br><div class="plainMail">_______________________________________________<br>dundee GNU/Linux Users Group mailing list<br><a ymailto="mailto:dundee@lists.lug.org.uk" href="/mc/compose?to=dundee@lists.lug.org.uk">dundee@lists.lug.org.uk</a> <a href="http://dundeelug.org.uk" target="_blank">http://dundeelug.org.uk</a><br><a href="https://mailman.lug.org.uk/mailman/listinfo/dundee" target="_blank">https://mailman.lug.org.uk/mailman/listinfo/dundee</a><br>Chat on IRC, #tlug on irc.lug.org.uk</div></blockquote></td></tr></table><br>