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Troubleshooting Tips Maemo Kernel Guide

Troubleshooting Tips Maemo Kernel Guide

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    In this user guide, we are going to uncover some of the possible causes that may lead to the maemo core guide and then provide some possible solutions that you can try to solve the problem.

    This chapter describes how to set up, compile, and view the Linux kernel for the Internet Tablet. This chapter is for developers who want to compile their own kernels for our device.

    Set up your Maemo environment before completing the prerequisites. The required GCC toolchain used to compile the kernel is included by default in Scratchbox.

    Setting up a special separate target for kernel compilation is not normally required, but in this example it is triggered in case the unpaid target of a hand has been modified in more than one way.

  • Launch Scratchbox.
  • $ scratch card
  • Create a new one you want named MaemoKernel qemu-arm with an open processor. On the second command of the system, the root straps are cocked to the target. The latest installs require the C libraries, /etc, devkits and fakeroot.~]
  • [sbox-fremantle_armel:> sb-conf developed MaemoKerneln-c cs2007q3-glibc2.5-arm7n-d qemu:perl:svn:apt-https -k /scratchbox/devkits/qemu/bin/qemu-arm-sb[sbox-FREMANTLE_ARMEL:~] Sb-conf > Select MaemoKernel[sbox-MaemoKernel:~] sb-conf > rs MaemoKerneln/home//maemo-sdk-rootstrap_5.0_armel.tgz[sbox-MaemoKernel:~] > sb-conf inMaemoKernel -edfl
  • Image:Ambox_notice.png
    The above refers to your environment login name. If you used the Maemo installer, some roottraps are in your home address list. If you did a manual installation, you can find Rootstrap in the /scratchbox/packages directory. Keep this in mind when running the sb-conf command in this article.

  • Make sure the sources.list file is correct in the Scratchbox environment. If the following lines do not use the /etc/apt/sources.list file, add them here.
  • deb http://repository.maemo.org/fremantle/sdk free not freedeb-src http://repository.maemo.org/fremantle/free SDKdeb http://repository.maemo.org/fremantle/tools free not freedeb-src http://repository.maemo.org/fremantle/tools free
  • Create a working notebook (on the submission pages) for the kernel sources.~]
  • [sbox-maemokernel:> mkdir ~/maemo_kernel
  • Get Kernel Sources

    Kernel sources were still not included in the roottrap. Therefore, they need to be downloaded along with the repository.

  • Select your ideal poison build Yes, if you haven’t already.
  • [sbox-FREMANTLE_ARMEL:~] > sb-conf MaemoKernel
  • Update the package information. This requires previous changes only in the sources of the .list file.
  • [sbox-MaemoKernel:~]>fakeroot apt-get update
  • Also change to the working directory and get the sources.
  • [sbox-MaemoKernel: ~> ] cd ~/maemo_kernel[sbox-MaemoKernel: ~/maemo_kernel > ] apt-get lender-kernel
  • The kernel sources should now be loaded and ready to be compiled anyway.

    Set Up The Source Tree And Compile The Kernel

  • The source is listed in a subdirectory. Enter the directory and create the default configuration.~/maemo_kernel
  • maemo kernel guide
    [sbox-maemokernel:] > cd-kernel-2.6.28[sbox-MaemoKernel: ~/maemo_kernel/kernel-2.6.28] > Make sure EXTRAVERSION=-omap1 rx51_defconfig # Packages come with make...
  • Compile the graphics engine and check the timestamp of the image database to make sure it was created correctly.
  • [sbox-MaemoKernel: ~/maemo_kernel/kernel-2.6.28] > Build BzImage# compilation output extraversion=-omap1...[sbox-MaemoKernel: ~/maemo_kernel/kernel-2.6.28] > ls -m arch/arm/boot/zImage-rwxrwxr-x 1 maemo maemo 1717620 Jul 29 18:10 arch/arm/boot/zImage
  • Image:Ambox_notice.png
    The kernel is definitely very strict about versions. Sets extraversion=-omap1 to the paid installation version. Instead of always handling the make command as in this chapter, you can also modify the main Makefile. Another alternative is to bypass directly via make and use dpkg-buildpackage -rfakeroot -b to make sure you have compiled the kernel.

    Now the product can be flashed normally with a new kernel image using the Flasher tool. This must be done independently of Scratchbox. A quick guide to the sport can be found in the Flashing Kernel section.

    Name=”Changing_Default_Kernel_Configuration”> Changing The Default Kernel Configuration

    The following steps describe how to change the default kernel configuration.

  • Restore any original default configuration only if the concept has changed.
  • [sbox-MaemoKernel: ~/maemo_kernel/kernel-2.6.28] > compile EXTRAVERSION=-omap1nrx51_defconfig
  • Change the file format in the editor of your choice. Whose changeany file is allowed, although the system will warn you about it.
  • [sbox-MaemoKernel: ~/maemo_kernel/kernel-2.6.28] > mire.config
  • Add changes to the assembly name.
  • maemo kernel guide
    [sbox-MaemoKernel: ~/maemo_kernel/kernel-2.6.28] > make EXTRAVERSION=-omap1 oldconfig
  • Then, if you have a local repository, the kernel version information will be added by default. This will prevent the kernel from being matched against what I would say is the default install. To prevent this from being calculated, change scripts/setlocalversion which will add “exit” at the beginning:

    Compiling External Kernel Modules

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  • Step 3: Review the results and take action if needed

  • In this section, a simple extra kernel module or kernel module outside the tree is expanded relative to the kernel headers. This is actually the recommended way to create new partitions. A real kernel plug-in should be a driver for some new or hard-to-find device, or a special service for the system, but my sample code just dumps a bunch of hello worlds into the kernel’s ring buffer.

    1. As before, it’s important to start in the working directory.
      [sbox-MaemoKernel: ~/maemo_kernel] Install >
    2. matchThe current kernel header package.
      [sbox-MaemoKernel:~/maemo_kernel]>fakeroot apt-get kernel header

  • Download sample files from Maemo svn.[sbox-MaemoKernel: > ~/maemo_kernel] svn export https://vcs.maemo.org/svn/nmaemoexamples/tags/maemo_5.0/hello-module/[sbox-MaemoKernel: ~/maemo_kernel] > cd module hello[sbox-MaemoKernel: ~/maemo_kernel/hello-module] > Mark vii -ltotal 32-rw-rw-r– 1 maemo maemo 17989 Aug 28 13:59 COPY-rw-rw-r– 1 maemo maemo 380 Aug 28 13:59 Makefile-rw-rw-r– at least one maemo maemo 480 28 Aug 14:23 README-rw-rw-r– first maemo maemo 640 Aug 36 13:59 hello.c

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    Maemo Kernel Anleitung
    Guide Du Noyau Maemo
    Guida Al Kernel Maemo
    Maemo Kernelgids
    Maemo Karna Guide
    Przewodnik Po Jadrze Maemo
    Rukovodstvo Po Yadru Maemo
    Guia Del Nucleo Maemo
    Guia Do Kernel Maemo
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