Linux Kernel 3.9.1 is the first maintenance release of the kernel 3.9 series that has been released recently. This update brings various bug fixes and improvements.  Here are some of them as shown in the changelog:

  •     ext4: fix Kconfig documentation for CONFIG_EXT4_DEBUG
  •     ext4: fix online resizing for ext3-compat file systems
  •     ixgbe: fix EICR write in ixgbe_msix_other
  •     wireless: regulatory: fix channel disabling race condition
  •     ACPI: Fix wrong parameter passed to memblock_reserve
  •     ASoC: max98088: Fix logging of hardware revision
  •     ALSA: hda - Fix aamix activation with loopback control on VIA codecs
  •     ALSA: usb-audio: Fix autopm error during probing
  •     ALSA: emu10k1: Fix dock firmware loading
  •     fs/fscache/stats.c: fix memory leak
  •     usb: chipidea: udc: fix memory leak in _ep_nuke
  •     ARM: at91/trivial: fix model name for SAM9G15-EK
  •     ARM: at91: Fix typo in restart code panic message
Linux Kernel 3.9.1 Installation

To install this new kernel in Ubuntu/Linux Mint, enter these commands from the terminal at your own risk:

     cd /tmp 
    wget -O kernel-3.9.1 
    chmod +x kernel-3.9.1 
    sudo sh kernel-3.9.1 
    sudo reboot

For kernel removal, enter this command:

     sudo apt-get purge linux-image-3.9.1*