ChanServ changed the topic of #cubieboard to: is BUY NOW! - http://cubieboard.org - http://linux-sunxi.org/Cubieboard - logs: http://irclog.whitequark.org/cubieboard http://ibot.rikers.org/%23cubieboard/ - development wiki for chips cubieboards run on http://linux-sunxi.org/
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<TheLinuxBug> ccaione: I see you cared so much that you stuck around to help people... how nice of you... eesh
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<mndar> I have Android installed on my Cubietruck. How do I access files stored on a micro SD card?
<mndar> In inserted the microSD card into the slot but I don't see its contents anywhere. Settings->Storage->Mount this Storage doesn't give me anything
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<mndar> With my Cubietruck, I have a VGA & HDMI console with U-Boot from git://git.denx.de/u-boot.git. I am stuck on "Starting Kernel". I can't see any kernel messages. This is my boot.cmd http://pastebin.com/kjCb5XT7
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<pmattern> mndar: You're setting partition two as root partition (root=/dev/mmcblk0p2) but are loading FEX file and kernel image from a directory boot on partition one which looks weird. Maybe root partition partition should be number one, too?
<pmattern> Arrgh. Missed the '||' in lines three and four.
<pmattern> So what I wrote could be true but doesn't have to.
<mndar> I just copied the boot.cmd from the wiki. Which kernel should I be using?
<pmattern> Which wiki? Which distribution are you using?
<mndar> My goal is to be able to run fedora21 but the instructions given on the F21 wiki aren't working for me. So, I am first trying to get a kernel to load.
<pmattern> You do know how to transform a *.cmd into a *.scr by running mkimage?
<mndar> yes. i did the mkimage thing
<mndar> does anyone here have a working boot.cmd and kernel image and modules
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<Night-Shade> Those are very old boot commands mndar
<mndar> Night-Shade: Can you please point me in the right direction wrt the kernel and u-boot
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<Night-Shade> mndar: http://pastebin.com/YDvceMxf that is the script I use, it's part of Debian Jessie
<Night-Shade> you should be able to follow the logic and hand boot the system
<Night-Shade> mndar: might be worth asking in #fedora-arm as well for help
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<mndar> Night-Shade: Thanks for sharing your script
<Night-Shade> also it relies on a fairly new version of u-boot
<Night-Shade> the basic idea of arm booting is that you load a kernel, dtb (hardware config map) and initrd
<Night-Shade> sometimes the dtb is stuck to the end of the kernel file, other times it's a seperate file
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<mndar> Night-Shade: I am using the latest uboot from git://git.denx.de/u-boot.git and the latest kernel 4.1-rc1. I followed this guide https://linux-sunxi.org/Mainline_Kernel_Howto
<Night-Shade> fair enough that's very close to my setup
<Night-Shade> but I'm on debian not fedora
<mndar> Night-Shade: U-boot output is stuck at "Starting Kernel..." I have enabled CONFIG_DEBUG_LL but I don't see any kernel debug messages
<mndar> Night-Shade: I don't have any rootfs in the microSD. I just want some kernel to load first
<Night-Shade> understood
<mndar> I used the same cross compiler to build the kernel and u-boot. Since u-boot is working, so should the kernel.
<Night-Shade> have you managed to boot any kernel at all?
<mndar> no. but Android on the NAND flash works
<mndar> I read this doc https://developer.ridgerun.com/wiki/index.php/Common_Problems_-_Linux_kernel_doesnt_boot But since I don't see any kernel debug messages, I'm stuck
<Night-Shade> the sd card you are using, can you list the files via u-boot?
<Night-Shade> either fatls mmc 0:1 or ext2ls mmc 0:1
<Night-Shade> from memory
<mndar> yes I am able to list files using the ext2ls command
<Night-Shade> can you paste the file list
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<mndar> I'll have to type eveything. I don't have a serial console. I am looking the HDMI console.
<Night-Shade> oooj
<Night-Shade> didn't know that
<mndar> The files I see are: lost+found, boot.scr, sun7i=a20-cubietruck-dtb boot.cmd zImage
<Night-Shade> I'm not 100% sure the fedora 21 kernel supports hdmi console
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<mndar> I am not using the fedora 21 kernel. I am using the vanilla kernel I compiled
<Night-Shade> you have enabled these options as well: http://linux-sunxi.org/Display#Framebuffer_console_at_boot
<mndar> let me check what I have..
<Night-Shade> if you are wanting to experiment with the cubietruck / arm in general a usb serial console is worth having
<Night-Shade> they are only a few $/£/euro
<mndar> I live in Mumbai. That USB to TTL cable is not available with the supplier here. At least I haven't found a supplier yet
<mndar> that last link you posted was for the SUNXI kernel, not the mainline one
<mndar> Night-Shade: here is the u-boot output http://pastebin.com/NQ3WdXrM
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<Night-Shade> hmm just had an idea
<mndar> tell me
<Night-Shade> what console= options are you passing to the kernel?
<mndar> console=tty0 console=ttyS0,115200
<Night-Shade> that's correct. there goes that idea
<Night-Shade> looking at the channel logs other people have had problems with hdmi console
<Night-Shade> can you build the kernel from the multi_V7_defconfig config
<Night-Shade> ie make multi_V7_defconfig ; make all
<Night-Shade> lower case v too so multi_v7_defconfig
<mndar> Night-Shade: ok. hold on
<Night-Shade> looking at a diff between multi_v7 and sunxi config it seems the suxni_defconfig doesn't enable FB console
<mndar> To build the kernel I use the command "make -j8 zImage dtbs". that's ok, right?
<Night-Shade> yes assuming you have cross compile setup
<Night-Shade> and -j X is the total number of CPU cores you have
<Night-Shade> oh and for you serial console search ebay or the local version of it for "USB to TTL Serial Adapter"
<mndar> yes. i do have ARCH ?= arm and CROSS_COMPILE ?= armv7a-hardfloat-linux-gnueabi- in my Makefile
<Night-Shade> they are £1-3 here for a little bare board with pins
<Night-Shade> that's right
<Night-Shade> you can jsut use: export ARCH=arm and export CROSS_COMPILE=armv7a-hardfloat-linux-gnueabi-
<Night-Shade> in the shell you are building from
<mndar> ok
<Night-Shade> yes
<Night-Shade> I have 3 similar ones
<mndar> hey .. guess what. the multi_v7_defconfig thing worked!!!!!
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<mndar> I'll copy over the F21 rootfs and see if it works.
<Night-Shade> \o/
<Night-Shade> so the kernel was booting
<Night-Shade> but the HDMI display wasn't working
<mndar> hmm...i'm not sure. because right now, the board is in a reboot loop since no init is present
<Night-Shade> yeah that's expected
<Night-Shade> you are passing a panic=10 option
<Night-Shade> is the fedora rootfs on an sd card?
<mndar> booting it. I am getting thousands of messages "printk messages dropped *** " ... " systemd[1]: Time has been changed
<mndar> probably need to disable kernel debugging now
<mndar> doesn't boot to login prompt yet. getting a lot of messages "clock source hstimer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: <number> ns"
<Night-Shade> is it worth trying the F22 beta image?
<mndar> I did try F22 yesterday. Didn't get any display. nothing from u-boot or kernel on HDMI/VGA
<Night-Shade> does the board have networking?
<mndar> F21 didn't boot completely. keep getting may systemd fails
<mndar> *many systemd fails. some clocksource hstimer debug messages
<Night-Shade> Can't help too much with that, I've not used Fedora for a while
<mndar> Night-Shade: thanks for all the help.
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