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dgp>
jas-hacks_: the framebuffer issue you had is the same for android I think
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jas-hacks_>
dgp: Interesting...
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dgp>
I guess we need to diff the kernel trees and work out what they changed
<
dgp>
I wonder if it'll work with newer blobs
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jas-hacks_>
I tried the new blobs for X11 and I get the same results
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dgp>
oh, so maybe this kernel will work with android 4.1.2
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dgp>
does it work now?
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jas-hacks_>
It boots up, I created a new gk802 board and patched it up
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dgp>
it's just x11 thats broken so about the same situation as the android version of it
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hste>
jas-hacks_: [ 47.884] (EE) VIVANTE(0): internal error: GPU Ctx Init Failed
<
hste>
[ 47.884] (EE) VIVANTE(0): internal error: initExaLayer failed in VivScreenInit() is where it fails with 400
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rene_>
hey! is there anybody here who could help me? i'm having some troubles with putting the image onto the sd card of a gk802 mini pc...
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van_pelt>
I'm trying to compile u-boot for gk802, and the kernel command line looks strange:
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van_pelt>
Kernel command line: noinitrd console=ttymxc0,115200 root=/dev/mtdblock2 rw rootfstype=jffs2 ip=off
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van_pelt>
I've set #define CONFIG_CONSOLE_DEV "ttymxc3" (in gk802.h), and the sdcard has an ext4 partition
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van_pelt>
can someone please help.... where do the ttymcx0 and the jffs2 come from
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jas-hacks_>
van_pelt: : your kernel is compiled with the default boot options
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van_pelt>
so where could i change them?
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van_pelt>
Your u-boot gives me the proper ttymcx3 and ext4 options
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van_pelt>
The u-boot I compile gives me ttymcx0; so is there some place I need to change it?
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jas-hacks_>
van_pelt: When you compiled your uboot which commands did you use?
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jas-hacks_>
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- gk802\_config
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van_pelt>
yeah, that's the command
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jas-hacks_>
make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi-
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van_pelt>
arm-eabi-
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jas-hacks_>
which kernel are you using?
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van_pelt>
but otherwise the same
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jas-hacks_>
and which uboot source?
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jas-hacks_>
did you do a make ARCH=arm CROSS_COMPILE=arm-linux-gnueabi- clean
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van_pelt>
No, i didn't
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van_pelt>
let me try it
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jas-hacks_>
hste: thanks, looks like a problem with 4.0.0
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hste>
jas-hacks_: yes but only with vivante. plain works ok
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jas-hacks_>
hste: what do you mean with vivante?
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hste>
jas-hacks_: I got x running without vivante driver
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van_pelt>
jas-hacks_: Still getting ttymcx0, after the clean
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hste>
van_pelt: what kernel are u using?
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van_pelt>
I have a question about that as well: does it take the kernel from /boot/uImage, or the one that is dd'ed to the sdcard?
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van_pelt>
Both are the same in this case, though
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hste>
van_pelt: if u use one of the latest uboots it takes uImage from /boot
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hste>
van_pelt: that one is not in git. but its compiled and ready to be used
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van_pelt>
I did try the multi-boot, and I don't get
_any_ serial output from there
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van_pelt>
So I thought I'd stick to the normal one.
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hste>
van_pelt: did u put it in internal sdcard?
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van_pelt>
Yeah, it boots up properly; I just don't get any serial output
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van_pelt>
it = multi-boot u-boot
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hste>
van_pelt: then I think its sth wring with the serial wires
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van_pelt>
But I do get serial output with jas-hacks 'normal' u-boot
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van_pelt>
so I don't think it's the wires
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van_pelt>
Sorry for the confusion: 1. With jas-hack's 'normal' u-boot, I get serial output, and everything's OK
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van_pelt>
what changes does this one have?
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hste>
van_pelt: It's compiled from git. should use /boot/uImage
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van_pelt>
console=ttymxc0,115200 root=/dev/mtdblock2
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van_pelt>
still ttymcx0
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van_pelt>
hste/jas-hacks_: Are there any u-boot patches I'm missing?
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jas-hacks_>
van_pelt: There's no patches
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van_pelt>
Then I'm probably missing something....
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jas-hacks_>
van_pelt: With multi-uboot, did you place a boot.scr file on the int/ext sd card
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van_pelt>
yeah, and it boots up, but just no serial output
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van_pelt>
I need to change the cmdline, and I thought the easiest way would be to compile u-boot with the changes
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jas-hacks_>
for multi-boot when the kernel booted what was the command line passed to it?
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van_pelt>
Don't know: it didn't show up in the serial console
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van_pelt>
Let me boot it up again and check
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jas-hacks_>
try dmesg
<
hste>
I think that kernel he use cut the start of dmesg. U could look into /proc/cmdline
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van_pelt>
console=ttymcx3 root=/dev/mmcblk1p1 rootwait rootfstype=ext4
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van_pelt>
so that's correct
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jas-hacks_>
did you get serial out?
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van_pelt>
this time i did get the beginning, and then some junk
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van_pelt>
I actually booted up into xubuntu, and got the /proc/cmdline from there
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van_pelt>
No serial console, though
<
jas-hacks_>
I'd check your serial connections
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van_pelt>
Got it: the multi-boot example didn't have the console variable set properly
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van_pelt>
Now that I've added it, there's a serial console
<
van_pelt>
Thanks! :)
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<
van_pelt>
And you might want to modify the example on your blog, to add the line: setenv console 'ttymxc3,115200'
<
jas-hacks_>
thanks
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