**Linux Kernel 3.9.1 **brings various bug fixes and improvements. Here are some of them as shown in the [changelog](http://goo.gl/NcyNN): - \*\* 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 http://dl.dropbox.com/u/47950494/upubuntu.com/kernel-3.9.1 -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*` \*\* \*\* **Enjoy!**