Wednesday, February 13, 2013

Upgrading Linux Kernel 3.7.3 (Stable) release in Ubuntu 12.10

Linux kernel 3.7.3 has recently released on January 17, 2013 with lots of bugfixes and improvements.

The changelog contains all the improvements and bugfixes made in the kernel.

Below mentioned are some important fixes and improvements.

* drm/radeon: fix amd afusion gpu setup aka sumo v2
* drm/radeon: fix eDP clk and lane setup for scaled modes
* Fixes flickering with some high res montiors
* KVM: PPC: 44x: fix DCR read/write
* KVM: Fix user memslot overlap check
* iwlwifi: fix PCIe interrupt handle return value
* iwlwifi: fix the reclaimed packet tracking upon flush queue
* ALSA: pxa27x: fix ac97 warm reset
* video: mxsfb: fix crash when unblanking the display
* cpuidle / coupled: fix ready counter decrement
* sony-laptop: fix SNC buffer calls when SN06 returns Integers
* EDAC: Fix kernel panic on module unloading
* drm/i915: fix OOPS in lid_notify
* Add device quirk for Microsoft Lifecam VX700 v2.0 webcams.
* Fixes squeaking noise of the microphone.
* drm/nouveau/clock: fix support for more than 2 monitors on nve0
* b43: Fix firmware loading when driver is built into the kernel
* staging: zram: fix invalid memory references during disk write
* ext4: fix extent tree corruption caused by hole punch

We shall upgrade the default kernel version 3.5.0-17.28 shipped with Ubuntu 12.10 to 3.7.3-030703.

Download the script to perform an automated kernel upgrade process.

Now open the terminal and run the below command from the folder where script is downloaded to make it executable.
$ sudo chmod +x

$ sudo sh

After the completion, reboot the system for the changes to take effect and after reboot run the below command to confirm the version.

$ uname -r

In case if the kernel 3.7.3 is not compatible with your system hardware, then run the below command to remove the kernel 3.7.3 and switch back to previous kernel.

$ sudo apt-get purge linux-image-3.7.3-030703

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