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-   -   [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900 (https://talk.maemo.org/showthread.php?t=84829)

freemangordon 2012-06-22 06:23

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
@michaaa62 - I have NFC how did you manage to do it, but it seems you don't have mp-fremantle-community-pr installed at all. If you get xterm somehow, doing:

apt-get install mp-fremantle-community-pr

should restore your system in a consistent state.

@mrsellout: it was not only MAG to state that HAM should be used, the problem is noone seems to care

freemangordon 2012-06-22 06:32

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
Quote:

Originally Posted by hxka (Post 1225301)
@freemangordon, why kernel-cssu-flasher is still contain “Nokia Kernel” shortcut?

It is a legacy from KP. kernel-cssu still not do Replaces: kernel in debian/control. My focus remains on whether Thumb2 is 100% stable and what is the benefit of using it, plus I am waiting for Pali and merling1991 to finish their exams so eventually I will get some help on the packaging stuff (not my strongest skill I have to admit :) )

reinob 2012-06-22 07:04

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
Quote:

Originally Posted by hxka (Post 1225376)
@don_falcone, what exactly do you mean by 'hacking'? 'Cause I don't see any reasons for hacking nolo, everything can be done with recompiling kernel and/or u-boot.

NOLO still loads the kernel from an mtd partition, which in itself is not a problem (one could still completely free the rootfs partition for other things, such as swap).

Ideally NOLO could/would be replaced by U-Boot so that the whole NAND flash chip (i.e. including the partitions for kernel, oops, initrd, etc.) could be available for other tasks.

I'd be happy if we could create a ready-to-flash image with rootfs on an (appropriately sized) ext2 partition (/, /boot, /usr, etc.) of the eMMC and a separate /home (ext3 or ext4) partition.

The current rootfs partition on the NAND could be either used as swap, or as a sort of "executable cache" (like SSD/HDD hybrid -> NAND/eMMC), or just left empty.

Obviously this would mean that the whole THUMB2 issue would be rendered moot (space would not be a problem anymore). Perhaps more important (but also more difficult) would be a HARDFP recompilation of the whole of Maemo :)

don_falcone 2012-06-22 07:52

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
This. But it would not even have to be ready-to-flash, because we alter it anyway. Just some script that does the whole conversion / move after flashing.

Mohammed Muid 2012-06-22 09:33

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
i flashed my N900 today. installed kp50 and some useful app i need. i want cssu now. will it be okay if now i install cssu thumb.?

Hurrian 2012-06-22 10:04

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
Quote:

Originally Posted by reinob (Post 1225570)
I'd be happy if we could create a ready-to-flash image with rootfs on an (appropriately sized) ext2 partition (/, /boot, /usr, etc.) of the eMMC and a separate /home (ext3 or ext4) partition.

The current rootfs partition on the NAND could be either used as swap, or as a sort of "executable cache" (like SSD/HDD hybrid -> NAND/eMMC), or just left empty.

Obviously this would mean that the whole THUMB2 issue would be rendered moot (space would not be a problem anymore). Perhaps more important (but also more difficult) would be a HARDFP recompilation of the whole of Maemo :)

A chroot into a fresh Maemo rootfs and manual dpkg -i-ing of packages should do the trick. (of course, includes repacking the flashable image etc.)

Also, we don't have much of a problem wrt storage of apps on rootfs. The real problem is RAM, and thumb2 hopefully reduces in-memory process size.

Cow 2012-06-22 16:30

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
Quote:

Originally Posted by Mohammed Muid (Post 1225623)
i flashed my N900 today. installed kp50 and some useful app i need. i want cssu now. will it be okay if now i install cssu thumb.?

i installed cssu-thumb and then install kernel power 50, my device started to reboot whenever i press on an apps. (EG. i press on contacts, device black out and reboot)

Mohammed Muid 2012-06-22 16:39

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
yes. thats what i faced. plz help me. now my device is only running kp 50. no cssu nothing.

mr_pingu 2012-06-22 16:45

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
Quote:

Originally Posted by Cow (Post 1225816)
i installed cssu-thumb and then install kernel power 50, my device started to reboot whenever i press on an apps. (EG. i press on contacts, device black out and reboot)

You need to have a kernel with errata workarounds compiled in, otherwise it would crash. Flash the cssu-kernel with those errattas compiled in ;) All features from KP50 is used in cssu-kernel too.

Cow 2012-06-22 16:57

Re: [ANNOUNCE] CSSU-thumb thread - stable Thumb2 on N900
 
Quote:

Originally Posted by mr_pingu (Post 1225824)
You need to have a kernel with errata workarounds compiled in, otherwise it would crash. Flash the cssu-kernel with those errattas compiled in ;) All features from KP50 is used in cssu-kernel too.

thx mr_pingu.. but i got no idea what errata is. maybe u can show me or guide me a step by step of doing it ? :D
it would be much better for newbies like me :D


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