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2010-11-05
, 19:47
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Posts: 237 |
Thanked: 274 times |
Joined on Jul 2010
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#282
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Originally Posted by lunat
I would say that post is totally wrong .
debian is differrent arch then ubuntu. debian is the same arch as maemo -> does work with any maemo kernel.
ubuntu is a different arch -> you need a kernel for that arch. the kernel must support the abi. some support both.
[you couldn't chroot because of that]
ubuntu is based on debian , just like maemo is .
and I have used the same kernel to boot both OS with no problems .
[Edit] I was wrong , ubuntu goes different ways than debian on arm arch.
I wrote my post that way as I was able to boot both debian and ubuntu using the pr1.2 kernel after copying modules and firmware to their respective folders .
Last edited by ivyking; 2010-11-22 at 14:44.
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2010-11-05
, 19:47
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Posts: 203 |
Thanked: 201 times |
Joined on Jun 2010
@ Ecuador
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#283
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Didi you use omap3 or omap4 iso image?
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2010-11-05
, 19:51
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Posts: 237 |
Thanked: 274 times |
Joined on Jul 2010
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#284
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Originally Posted by juandp77
omap 3 image should be used , chroot problem may result of using wrong image .
Didi you use omap3 or omap4 iso image?
| The Following User Says Thank You to ivyking For This Useful Post: | ||
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2010-11-05
, 19:55
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Posts: 255 |
Thanked: 61 times |
Joined on Feb 2010
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#285
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Ok Im gonna ditch my power40 kernel and bootmenu for uboot and pr1.3 kernel, and Im downloading ubuntu-netbook-10.10-preinstalled-netbook-armel+omap.img.gz Ill let everyone know if I can chroot
__________________
Desktop: 2.8ghz Athlon x2 Kuma 4gb DDR2 OCZ Platinum XFX Geforce 260GTX BE
Desktop: 2.8ghz Athlon x2 Kuma 4gb DDR2 OCZ Platinum XFX Geforce 260GTX BE
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2010-11-05
, 19:55
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Posts: 256 |
Thanked: 92 times |
Joined on Oct 2010
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#286
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Originally Posted by ivyking
which kernel. if you did i suppose it had support for both arches. like i said thats possible.
I would say that post is totally wrong .
ubuntu is based on debian , just like maemo is .
and I have used the same kernel to boot both OS with no problems .
and concerning the abi ubunt and debian go different ways.
otherwise you may give your explanation to why chroot doesn't work for some.
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2010-11-05
, 19:58
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Posts: 107 |
Thanked: 74 times |
Joined on Jan 2010
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#287
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Intruction to patch u-boot are on:
http://al.robotfuzz.com/~al/maemo/u-boot/
Basically you have to git clone git://git.denx.de/u-boot.git, revert to bd2313078114c4b44c4a5ce149af43bcb7fc8854 commit, apply patches, and further modify include/configs/nokia_rx51.h.
Here is how appears mine:
I used a zImage from fiasco PR 1.3 image to have a flashable combined.bin, but it should work with power kernel too.
As you see the important part is that the default boot command is "run noloboot", so Maemo is the default. You see two script definition meego=... and debian=... (I have still to rename that to ubuntu) that load the kernel from the third partition and changes kernel parameters to boot the right OS.
So when I want to boot meego or ubuntu I reboot, interrupt autoboot and just type "run meego" or "run debian".
My SD layout is:
p1 -> meego
p2 -> swap
p3 -> vfat for kernels
p4 -> extended
p5 -> ubuntu
p6 -> further testing.
p.s. there are/will be other solutions that do not need an u-boot rebuilding, I just used the fast one without checking further.
http://al.robotfuzz.com/~al/maemo/u-boot/
Basically you have to git clone git://git.denx.de/u-boot.git, revert to bd2313078114c4b44c4a5ce149af43bcb7fc8854 commit, apply patches, and further modify include/configs/nokia_rx51.h.
Here is how appears mine:
Code:
#define CONFIG_EXTRA_ENV_SETTINGS \
"usbtty=cdc_acm\0" \
"stdin=vga\0stdout=vga\0stderr=vga\0" \
"setcon=setenv stdin ${con};" \
"setenv stdout ${con};" \
"setenv stderr ${con}\0" \
"sercon=setenv con serial; run setcon\0" \
"usbcon=setenv con usbtty; run setcon\0" \
"vgacon=setenv con vga; run setcon\0" \
"loadaddr=0x82000000\0" \
"meegoargs=setenv bootargs\0" \
"loadbootscript=fatload mmc 0:3 ${loadaddr} boot.scr\0" \
"bootscript=echo Running bootscript from mmc ...; " \
"source ${loadaddr}\0" \
"loaduimage=fatload mmc 0:3 ${loadaddr} uImage\0" \
"mmcboot=echo Booting from mmc ...; " \
"run meegoargs; " \
"bootm ${loadaddr}\0" \
"noloboot=echo Booting NOLO supplied kernel ...; " \
"setenv atags ${nolo_atagaddr};" \
"bootm ${nolo_kernaddr}\0" \
"debian=echo Booting debian ...; "\
"mmc init; " \
"fatload mmc 0:3 ${loadaddr} uImage; " \
"setenv bootargs root=/dev/mmcblk0p5 rootwait; " \
"bootm ${loadaddr}\0" \
"meego=echo Booting meego ...; "\
"mmc init; " \
"fatload mmc 0:3 ${loadaddr} uImage; " \
"setenv bootargs root=/dev/mmcblk0p1 rootwait; " \
"bootm ${loadaddr}"
#define CONFIG_PREBOOT \
"echo Extra commands:;" \
"echo run sercon - Use serial port for control.;" \
"echo run usbcon - Use usbtty for control.;" \
"echo run vgacon - Use framebuffer/keyboard.;" \
"echo run mmcboot - Boot from SD card slot.;" \
"echo run noloboot - Boot kernel loaded by NOLO."
#define CONFIG_BOOTCOMMAND "run noloboot"
As you see the important part is that the default boot command is "run noloboot", so Maemo is the default. You see two script definition meego=... and debian=... (I have still to rename that to ubuntu) that load the kernel from the third partition and changes kernel parameters to boot the right OS.
So when I want to boot meego or ubuntu I reboot, interrupt autoboot and just type "run meego" or "run debian".
My SD layout is:
p1 -> meego
p2 -> swap
p3 -> vfat for kernels
p4 -> extended
p5 -> ubuntu
p6 -> further testing.
p.s. there are/will be other solutions that do not need an u-boot rebuilding, I just used the fast one without checking further.
| The Following User Says Thank You to nicola.mfb For This Useful Post: | ||
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2010-11-05
, 20:14
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Posts: 256 |
Thanked: 92 times |
Joined on Oct 2010
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#288
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Originally Posted by nicola.mfb
one question if you boot from the sd what device node does it get?
I
i see the devices swapped. /dev/mmc0 is the external sd.
do you see the same?
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2010-11-05
, 20:25
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Posts: 256 |
Thanked: 92 times |
Joined on Oct 2010
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#289
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for the one who said i was totally wrong
go(guess thats official enough if you don't believe me):
https://wiki.ubuntu.com/ARM
and read
----
How does this differ from Debian's armel port?
The primary difference is the ISA and instruction set targeted in Ubuntu, rendering nearly all packages incompatible at a binary level. As with the rest of Ubuntu, typically the source packages are identical, so most of the remaining differences are the same as differences generally between Debian and Ubuntu.
---
br
go(guess thats official enough if you don't believe me):
https://wiki.ubuntu.com/ARM
and read
----
How does this differ from Debian's armel port?
The primary difference is the ISA and instruction set targeted in Ubuntu, rendering nearly all packages incompatible at a binary level. As with the rest of Ubuntu, typically the source packages are identical, so most of the remaining differences are the same as differences generally between Debian and Ubuntu.
---
br
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2010-11-05
, 20:29
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Posts: 255 |
Thanked: 61 times |
Joined on Feb 2010
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#290
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can anyone send me the meego /lib/module and /lib/firmware? Im on the irc channel. #NITubuntu
__________________
Desktop: 2.8ghz Athlon x2 Kuma 4gb DDR2 OCZ Platinum XFX Geforce 260GTX BE
Desktop: 2.8ghz Athlon x2 Kuma 4gb DDR2 OCZ Platinum XFX Geforce 260GTX BE
My only concern is keeping over-clocking in Maemo and Ubuntu. Does anyone know of a P1.3 overclock enabled kernel?
Desktop: 2.8ghz Athlon x2 Kuma 4gb DDR2 OCZ Platinum XFX Geforce 260GTX BE