Friday, February 15, 2013

Upgrading Linux Kernel 3.7.4 (Stable) release in Ubuntu 12.10

Linux kernel 3.7.4 has recently released on January 21, 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.

* wlan-ng: Fix clamping of returned SSID length
* Add support for Broadcom TruManage redirected serial port
* ifx6x60:Delete SPI timer when shut down port
* USB: option: blacklist network interface on ONDA MT8205 4G LTE
* USB: option: add TP-LINK HSUPA Modem MA180
* igb: release already assigned MSI-X interrupts if setup fails
* intel-iommu: Prevent devices with RMRRs from being placed into SI Domain
* drm/radeon: fix a bogus kfree
* usb: chipidea: Allow disabling streaming not only in udc mode
* ALSA: usb - fix race in creation of M-Audio Fast track pro driver
* x86/Sandy Bridge: reserve pages when integrated graphics is present

We shall upgrade the default kernel version 3.5.0-17.28 shipped with Ubuntu 12.10 to 3.7.4-030704.

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 ker-upg-3.7.4.sh

$ sudo sh ker-upg-3.7.4.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 3.7.4 is not compatible with your system hardware, then run the below command to remove the kernel 3.7.4 and switch back to previous kernel.

$ sudo apt-get purge linux-image-3.7.4-030704

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