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#61
Originally Posted by Jaffa View Post
One thing which was suggested was putting swap on the fast, 256MB chip and the whole rootfs on the eMMC
With a proper swap configuration, that may actually help, even considering the slow eMMC.
 
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#62
Originally Posted by fanoush View Post
It would be great if anyone with device would care to update http://wiki.maemo.org/Nokia_World_2009_QA#Maemo_5 (the 'output of' part)
Given the NDAs are now up, anyone with a device can do this. So, see: http://bleb.org/software/maemo/maemo5-dump.txt

Heck, I would love to get N900 firmware image, that would answer me a lot of questions :-)
No firmware images have been distributed yet, even then redistributing the N8x0 images was a breach of the T&Cs.
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#63
Originally Posted by Jaffa View Post
see: http://bleb.org/software/maemo/maemo5-dump.txt
Thanks.

dmesg would be best done early after boot (like adding dmesg >/dmesg.txt to /etc/init.d/rcS or similar early boot script), there is one here http://talk.maemo.org/showthread.php...952#post343952 done by hand after device boots. With the boot script we could get a few more lines but it is nothing critical.

As for swapping to internal flash... I'm not sure why the current flash partition size is 768MB (maybe because of wear leveling?) but maybe 256MB only should do too. And while mtd is not a block device so one cannot swap to it direcly, there appears to be one old attempt of mtdswap driver done/paid by Nokia
http://www.infradead.org/pipermail/l...ch/017603.html and there are also attempts to implement block layer over UBI http://lists.infradead.org/pipermail...ay/021609.html so swapping to internal flash might be good idea when system is on MMC.
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#64
Originally Posted by fanoush View Post
dmesg would be best done early after boot (like adding dmesg >/dmesg.txt to /etc/init.d/rcS or similar early boot script), there is one here http://talk.maemo.org/showthread.php...952#post343952 done by hand after device boots. With the boot script we could get a few more lines but it is nothing critical.
Here is the output of a "dmesg" ran right at the start of rcS: http://qwerty12.qole.org/dmesgb4script.txt

And here is one ran before the rcS script exits: http://qwerty12.qole.org/dmesgafterscript.txt
 

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#65
Originally Posted by Jaffa View Post
One thing which was suggested was putting swap on the fast, 256MB chip and the whole rootfs on the eMMC (32GB, partitioned into both VFAT and ext3).
I was thinking that too. But would 512Mb of memory be enough?

Perfect would be to have two swap partitions first the fast small one with 256Mb and a secondary ~1Gb. Not doable (in practice) afaik, but a man can dream.
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Last edited by mece; 2009-10-21 at 13:49.
 
javispedro's Avatar
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#66
It's doable, I currently do that on my desktop computer...
 
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#67
Ok, so, is it doable on the N900?
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#68
Originally Posted by qwerty12 View Post
Here is the output of a "dmesg" ran right at the start of rcS: http://qwerty12.qole.org/dmesgb4script.txt
Cool, thanks, so it is all there right from the zero. And btw the equivalent of old /linuxrc is /sbin/preinit, it should be simple script doing some magic and exec-ing /sbin/init in the end. Also BTW there is still initfs partition in the flash, I wonder if it is just some unused leftover?
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#69
Originally Posted by fanoush View Post
And btw the equivalent of old /linuxrc is /sbin/preinit, it should be simple script doing some magic and exec-ing /sbin/init in the end.
Right on.

It does do "similar" to the N8x0s' linuxrc, but unlike linuxrc, it has an explicit clause saying that redistribution is forbidden.

Originally Posted by fanoush View Post
Also BTW there is still initfs partition in the flash, I wonder if it is just some unused leftover?
I'm pretty sure it isn't mounted.
But, instead of "$T2S -t "initfs version:" -s 2 -x $x -y $y -B $bg_color", we now have: "text2screen -t " no initfs \o/" -s 2 -x $x -y $y -B $bg_color"


Last edited by qwerty12; 2009-10-21 at 14:18.
 
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#70
Originally Posted by mece View Post
Ok, so, is it doable on the N900?
Why not? It's called swap priority. After first priority swap locations are filled, it starts filling the lower priority ones.
 
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