I think, problem is that framebuffer impl from your vendor draws logo on screen when framebuffer is initzialized, you should inspect in /drivers//video/*/*.c your framebuffer source code and check, if there is some method which is drawing logo into screen. For example, in my galaxys kernel(https://github.com/havlenapetr/android_kernel_samsung) in s3cfb.c ( https://github.com/havlenapetr/android_kernel_samsung/blob/android-samsung-3.0.31/drivers/video/samsung/s3cfb.c) is method s3cfb_draw_logo, but this isn't active, when you specifi CONFIG_FRAMEBUFFER_CONSOLE define
Dne středa, 11. prosince 2013 20:52:42 UTC+1 coiso22 napsal(a): > > Hello petter, > > Thanks a lot for your response. Unfortunately, after doing that, when the > phone boots only the LG logo appears. > > I did a "make nconfig" and select the options that are in the link > provided by you, in order to enable fbcon. Since my .config have > CONFIG_CMDLINE="" I changed it to CONFIG_CMDLINE="console=tty0". Build > again the kernel, but the framebuffer console is not showed, only the LG > icon. > > I don't have a serial cable, so I can't try the second option. > My .config file is attached if you want to see it. Again, any hint would > be great. > > > Quarta-feira, 11 de Dezembro de 2013 7:52:37 UTC, petter escreveu: >> >> Hello, >> >> change cmdline for your kernel to enable printing log into framebuffer. >> For example, if you have in your config >> "CONFIG_CMDLINE="console=ttyFIQ0,115200 >> init=/init" to "CONFIG_CMDLINE="console=tty0,115200 init=/init" and if >> framebuffer will be inityialiyed properly you should see logs on screen >> when phone will be booting. Here is info about that" >> http://blackfin.uclinux.org/doku.php?id=linux-kernel:drivers:fbcon. >> Kernel supports printing log into serial line too, so if you have serial >> cable, you can use this without framebuffer console. >> >> Dne úterý, 10. prosince 2013 18:29:40 UTC+1 coiso22 napsal(a): >>> >>> Hi everyone, >>> >>> I'm trying to initialize on Android Kernel and my first aim is to build >>> and install a Kernel from a source. >>> >>> I have a LG P990 with CM 10.1 and the Kowalsky Kernel made by pengus77 >>> (kowalski-kernel-100p5-oldbl). I'm trying to build it's source from >>> https://github.com/pengus77/lge-kernel-star. The build was done without >>> errors, however when I updated my phone, it freezes at boot time. >>> >>> This is what I have done to build and install the Kernel: >>> >>> (I used a VM with Ubuntu 12.04 64bits) >>> >>> 1: Download the source code from GitHub >>> https://github.com/pengus77/lge-kernel-star; >>> 2: Download the Linaro Android Toolchain from >>> http://releases.linaro.org/12.07/components/android/toolchain/4.6; >>> 3: Place the source code and Linaro in ~/android/; >>> 4: Go to root directory of source code cd >>> ~/android/lge-kernel-star-jb-412/; >>> 5: Export variables to make a cross-compilation: >>> export PATH=$HOME/android/android-toolchain-eabi/bin:$PATH >>> export ARCH=arm >>> export CROSS_COMPILE=arm-linux-androideabi- >>> export KERNEL_DIR=`pwd` >>> 6: Create .config with my phone configurations: >>> adb pull /proc/config.gz >>> gzip -dc config.gz > .config >>> 7: Build the Kernel: >>> make -j1 >>> >>> Once I don't get any errors on building, I tryed to make a zip to update >>> the Kernel. To do that, I simply unziped the >>> kowalski-kernel-100p5-oldbl.zip from http://goo.gl/fzv1v, and replaced >>> the zImage (arch/arm/boot/zImage) and the modules that I have in "/mod" >>> after run (cp `find ./ | grep .ko$` mod/). Then, I zip it again, and push >>> it to sdcard. >>> I installed the new zip with CWM Recovery and no erros, but as i said >>> before, the phone freezes at boot. >>> >>> Any idea what I'm doing wrong? >>> >>> Any hint would be great. >>> >>> Ps: I don't changed anything on the source code. I'm just trying to >>> compile it for now. >>> >>> Best Regards, >>> coiso22 >>> >> -- -- unsubscribe: android-kernel+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-kernel --- You received this message because you are subscribed to the Google Groups "Android Linux Kernel Development" group. To unsubscribe from this group and stop receiving emails from it, send an email to android-kernel+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
