leowt changed the topic of #linux-rockchip to: Rockchip development discussion | http://linux-rockchip.info | http://irclog.whitequark.org/linux-rockchip
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<wilson2b> Howdy
<wilson2b> Had a important question, since I now have my Xubuntu mostley setup the way I want it on my T428 (RK3188 chipset) mini-pc
<wilson2b> is there a easy way to image it / back it up.
<wilson2b> Im sure once I start messing with it , it will crap out and won't know how to fix it.
<wilson2b> I guess create Kernel, image files
<wilson2b> Hello?
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<wilson2b> ?
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<naobsd> I got Asus MeMO Pad 8
<naobsd> "adb reboot bootloader" exec fastboot mode
<naobsd> it seems bootloader has fastboot mode and kernel is modified to exec fastboot mode with "reboot bootloader"
<naobsd> in fastboot mode, fastboot reboot bootloader exec RK's bootloader mode.
<naobsd> so I could dump NAND as usual :)
<naobsd> I really like traditional RK bootloader :)
<naobsd> boot.img and recovery.img has a section start with "SIGN". I think Asus uses RK's Secure Boot.
<naobsd> as far as I know, it only enables DRM key thing
<naobsd> I hope I can replace these images w/o SIGN
<naobsd> boot and recovery are kernel+ramdisk image
<naobsd> but kernel is also flashed in kernel partition
<naobsd> format of kernel is KRNL, I could reproduce it with rkcrc -k, CRC algo is not changed
<naobsd> all 3 kernel in kernel/boot/recovery partitions are same
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<naobsd> update.img (RKAF) is flashed in backup partition
<naobsd> it contain RK3188Loader_uboot.bin
<naobsd> VOL- + POWER goes fastboot mode
<naobsd> so if I modifed kernel/boot/recovery and it doesn't boot
<naobsd> probably I can reflash stock image with fastboot or rkflashtool
<naobsd> I really hope it's true
<naobsd> NAND -> emmc (maybe)
<naobsd> ah, maybe, only userdata is emmc
<naobsd> not sure
<naobsd> there are tuxera's NTFS/exFAT .ko
<naobsd> and drmboot.ko
<naobsd> I'll check more detail later...
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<naobsd> http://androtab.info/memopad8/ easy 3 steps to run Linux on Asus MeMO Pad 8 ;)
<karlp> yeah, step3 is the bit that's missing all the useful information....
<Galland> lol
<naobsd> only few minutes I could spend for it ;)
<karlp> Galland: seeng as you're here, I cloned your git@github.com:Galland/rk3x_kernel_3.0.36.git repo,
<karlp> for a rk3066, is that still what's meant to work?
<naobsd> I bought it few hours ago
<karlp> it didn't compile for me, using hte arm-linux-gnueabihf-gcc (crosstool-NG linaro-1.13.1-4.8-2013.10 - Linaro GCC 2013.10) 4.8.2 20131014 (prerelease) at least
<Galland> karlp: I think so, but I haven't tested the newer 3188 kernels (like Linux3188 in my github too) for rk3066
<karlp> or should I be trying to use the rk3188 tree you have that suggests will work on both?
<Galland> however they could/should work too, but without 3D and without video render acceleration
<Galland> what was the compile error?
<Galland> for my rk3066 stick I use the rk3x kernel though I haven't compiled it for a while
<Galland> I see, try compiling without the mtk wifi driver
<Galland> that driver has always been a pain
<Galland> bbl
<naobsd> updated
<karlp> well, I was trying to compile yoru stock first :)
<karlp> my de3vice has the rtl8188eus anyway
<naobsd> it seems memo pad 8 uses emmc
<linuxium> @naobsd, back on 12th Dec you wrote [23:32 <naobsd> well, "please try any "Linux for RK". what I wanted to say is, it's not only some specific product" this doesn't say please use "Linux for RK" with my ramdisk. ]
<linuxium> I do not understand your meaning ... please can you explain again to help me understand your point?
<naobsd> well
<naobsd> there are some "Linux for some specific RK product"
<naobsd> and some people think "Linux runs on *only* some specific RK product"
<naobsd> I just said it's not correct
<naobsd> sorry, I almost forgot what I talked on 12 Dec...
<naobsd> later part is, well
<linuxium> np, my fault for not asking earlier ... but what does "Linux for some specific RK product" mean?
<karlp> Galland: using the 81888 driver instead fails with a similar "functon body not available" http://paste.fedoraproject.org/63559/87554330/
<naobsd> well
<karlp> is that possibly that the current linaro linux toolchain can't build that rk kernel?
<naobsd> I think there are some "Linux for some specific RK product"
<naobsd> is it wrong?
<naobsd> anyway, "what" is not important
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<naobsd> I'm thinking about "some people think..."
<naobsd> is not true
<linuxium> it is the phrase I don't understand ... what is an example of a Linux specific to an RK product?
<karlp> actually, that's still mtk code, what's the config option for that to kill it?
<karlp> ok, foudn it, trying again :)
<karlp> cooool, now I can continue with the next steps on your pages :)
<naobsd> http://ubuntu.g8.net/index.php/14-sample-data-articles/86-picuntu-4-5-nand-released if my memory is correct, it supports some RK3188 products, but not support RK3066
<naobsd> actually I never tried picuntu. I saw someone said like as "my device is not supported"
<linuxium> ah, now I understand you ... many thanks for the clarification
<naobsd> I was talked "my device is not supported" is not correct
<linuxium> I agree that "my device is not supported" is not correct if you use the default Android kernel to boot a Linux RFS on that device
<naobsd> stock kernel may gives wifi and/or something which is missed with kernel compiled from source...
<karlp> linuxium: on that note, if you have a stock android kernel, you only need to adjust the kernel boot params to use a linux RFS right?
<karlp> and that's something your multiboot thing helps with?
<naobsd> easy 3 steps == I can't write more than 3 lines lol
<naobsd> I want to try bootloader for memo pad 8 on RR or something with UART
<linuxium> @karlp, my multiboot thing allows slightly more ... you can boot Android using an Android kernel and Linux using a Linux kernel ... you can boot either from SD card or NAND ... you can install from SD card to NAND and you can backup/dump your NAND to SD card ... an example might be that you can choose to boot Android from NAND or Ubuntu 12.04 LTS from NAND or Debian 7 from SD ... yep its meant to help with things
<naobsd> btw there is binary file in kernel source for MeMO Pad 8...
<naobsd> whats' NVT_Alg.nvto ;)
<Galland> naobsd: is the kernel source for Memo Pad 8 available somewhere?
<naobsd> it's on asus web site
<Galland> can you be more specific? I can't seem to even find a reference to Memo Pad 8, just 7
<Galland> in asus' site
<Galland> thanks!
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<naobsd> I bought memo pad 8 today. please don't expect so much from me ;)
<naobsd> and 2am now :( I have to sleep...
<karlp> olegk0/tools mkbootimg? is that in another repostiory of rk tools as well?
<karlp> trying to minimize and unify how many repositories I need to keep up to date with
<karlp> is that just the same as in the android tree? ripped out?
<Galland> you don't need to keep up to date :) I think I downloaded them the when I wrote the blogpost and I keep using the same
<Galland> anyways not sure where he took it from
<Galland> however if you find a better/simpler way, which there surely is, please blog about it :)
<karlp> will do :)
<karlp> where's the libmincrypt meant to come from? the olegk0 repo doesn't have the directory it refers to?
<Galland> first time I hear about that
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<karlp> you just use the checked in binary in that repo?
<karlp> I did make clean && make
<karlp> anyway,
<karlp> abootimg --create recovery.img.abootimg -k rk3x_kernel_3.0.36/arch/arm/boot/Image -r initramfs/fakeramdisk.gz -c "kerneladdr=0x60400000" -c "pagesize=16384" -c "ramdiskaddr=0x62000000"
<karlp> will make the same thing,
<karlp> and abootimg is in fedora/debian/ubuntu repos
<karlp> and abootimg -i will dump info from existing images
<karlp> well, they _appear_ the same, there's a bootloader id field that's different, but it says that's not used or specified :)
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<jcarlos> karlp: abootimg is equivalent to mkbootimg?
<Galland> good pregunta :P
<jcarlos> And the answer is? :)
<jcarlos> Interesting. You can also extract with abootimg
<jcarlos> Now it remains to add support for creation of rockchip images :)
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