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Monday, 26 May 2014

How To : Install/Upgrade to Linux Kernel 3.15-RC7 in Ubuntu/Linux Mint Systems



   The Linux Kernel 3.15-RC7 is now available for the users, announced Linus Torvalds. This Linux Kernel version comes with plenty of fixes and improvements. This article will guide you to install or upgrade to Linux Kernel 3.15-RC7 in your Ubuntu or Linux Mint system.

Fixes

  • drm/radeon: fix DCE83 check for mullins
  • drm/radeon: handle non-VGA class pci devices with ATRM
  • drm/radeon: fix register typo on si
  • drm/radeon/pm: don't allow debugfs/sysfs access when PX card is off (v2)
  • iwlwifi: mvm: several fixes in scan
  • net: filter: x86: fix JIT address randomization
  • batman-adv: fix reference counting imbalance while sending fragment
  • batman-adv: increase orig refcount when storing ref in gw_node
  • batman-adv: fix local TT check for outgoing arp requests in DAT
  • drm/gf119-/disp: fix nasty bug which can clobber SOR0's clock setup
  • net: cdc_mbim: __vlan_find_dev_deep need rcu_read_lock
  • net: cdc_mbim: handle unaccelerated VLAN tagged frames
  • mac80211: fixup radiotap tx flags for RTS/CTS
  • hwpoison, hugetlb: lock_page/unlock_page does not match for
  • handling a free hugepage
  • drm/radeon: also try GART for CPU accessed buffers
  • drm/radeon: fix page directory update size estimation
  • drm/radeon: fix buffer placement under memory pressure v2
  • drm/radeon: fix typo in finding PLL params and many more.

Installation

For 32-Bit Systems

Download the .deb packages.

$ wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/linux-headers-3.15.0-031500rc7_3.15.0-031500rc7.201405251935_all.deb

$ wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/linux-headers-3.15.0-031500rc7-generic_3.15.0-031500rc7.201405251935_i386.deb

$ wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/linux-image-3.15.0-031500rc7-generic_3.15.0-031500rc7.201405251935_i386.deb
Install them.

$ sudo dpkg -i linux-headers-3.15*.deb linux-image-3.15*.deb
Reboot the system.

sudo reboot

For 64-Bit Systems

Download the .deb packages.

$ wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/linux-headers-3.15.0-031500rc7_3.15.0-031500rc7.201405251935_all.deb

$ wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/linux-headers-3.15.0-031500rc7-generic_3.15.0-031500rc7.201405251935_amd64.deb

$ wget -c kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc7-utopic/linux-image-3.15.0-031500rc7-generic_3.15.0-031500rc7.201405251935_amd64.deb
Install them.

$ sudo dpkg -i linux-headers-3.15*.deb linux-image-3.15*.deb
Reboot the system.

sudo reboot

To uninstall,

sudo apt-get remove linux-headers-3.15* linux-image-3.15*

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