Category Archives: Linux

N900 Mer boot to QMLViewer

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The following kickstart files allows the n900 to boot into qmlviewer, I’m going to highlight just the bottom of it, with the next lines we create the launcher for the qmlviewer and then create a symbolic link to make it the default desktop environment.

cat > /usr/share/xsessions/x-meego-qmlviewer.desktop << EOF
[Desktop Entry]
Version=1.0
Name=qmlviewer session
Exec=/usr/bin/qmlviewer
Type=Application
EOF

# Set symlink pointing to .desktop file
ln -sf x-meego-qmlviewer.desktop /usr/share/xsessions/default.desktop

Here is a video of N900 booting:

And the full kickstarter file:

Fix for Failed to upload package: Failure on QtCreator

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Just got hit by this problem, whenever I tried to deploy my application:

    11:06:04: Package created.
    11:06:04: Installing package to sysroot ...
    Package 'untitled' installed.

    11:06:04: Preparing SFTP connection...
    11:06:04: Starting upload...
    11:06:04: Failed to upload package: Failure
    11:06:04: Deploy step failed.
    Error while building project untitled (target: Harmattan)
    When executing build step 'Deploy Debian package via SFTP upload'

And a notification warning about the little remaining data storage appeared on the device, which I wrongly ignored at first. The problem occurs because QtCreator tries to copy the debian packate to /tmp on the device, N9 for me, and it fails if the space is full. I managed to fill my /tmp partition (which is just 4Mb btw..) by testing some big application. Solution is, ssh to your device, check if you /tmp is full (df -h) and delete any .deb file left there by QtCreator.

/home/developer $ df -h
Filesystem                Size      Used Available Use% Mounted on
/dev/root                 3.9G      1.7G      2.0G  47% /
devtmpfs                 10.0M    248.0K      9.8M   2% /dev
tmpfs                     4.0M      4.0M         0 100% /tmp
tmpfs                   512.0K    148.0K    364.0K  29% /var/run
..
/dev/mmcblk0p3            2.0G    197.7M      1.7G  10% /home
/tmp $ cd /tmp && ls -al
total 4096
..
-rw-r--r--    1 user     develope         0 Feb  7 09:59 qstardict_0.0.3_armel.deb
-rw-r--r--    1 user     develope         0 Feb  7 10:06 qstardict_0.0.4_armel.deb
-rw-r--r--    1 user     develope   4116480 Feb  3 21:32 qxmpp_0.0.1_armel.deb
..
/tmp $ rm qstardict_0.0.3_armel.deb
/tmp $ rm qxmpp_0.0.1_armel.deb
/tmp $ rm qstardict_0.0.4_armel.deb

UPDATE: This is supposed to be fixed on QtCreator 2.5 according to https://bugreports.qt-project.org/browse/QTCREATORBUG-6859

Patch is here if you don’t want to wait :) : http://qt.gitorious.org/+qtcn/qt-creator/qtcn-qt-creator/commit/b7d02e08fa246f3d45c898dc2480143a372409f0

 

MeeGo Image Creator mic2 on ArchLinux

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It has been a while since I first tried and failed to get mic2 working on my ArchLinux machine. Since then Arch moved to python 3, and some additional steps are required to get it working, fortunately this time the issues I encountered where easily fixed, I will be reporting them to the packages maintainers, also I have adopted one of them that was abandoned. I have uploaded my PKGBUILDs here just in case the maintainers are unable to make changes soon.

Before we start compiling we will need to make sure to have some required dependencies, this could be done by some aur wrappers automatically:

pacman -S python2 git cpio syslinux squashfs-tools parted lua nss nspr gnupg icu intltool urlgrabber python-pysqlite libxml2

We will start building the packages in this order, if a package is not available on the mic2 folder, use the package from AUR:

  • beecrypt
  • rpm-org
  • python2-iniparse
  • yum-metadata-parser
  • yum
  • isomd5sum
  • pykickstart-git
  • libaio
  • multipath-tools

And finally, build mic2 ! Everything should go smooth, try to build and image (x86 only at the moment, we still require qemu-arm to build ARM images):

mic-image-creator –config=meego-handset-ia32-pinetrail-mtf-1.1.80.13.20110105.1.ks –run-mode=-1 –format=livecd –fstype=vfat –release=1.1.80.13.20110105.1 –package=none –overlay-size-mb=64

If you have any problem ask on the comments and I’ll try to see what is wrong :)