Install Kernel 4.2.6 on CentOS 7

Greg Kroah-Hartman recently announced the sixth maintenance release of the Linux 4.2 kernel series. According to the diff from Linux kernel 4.2.5, the new maintenance release is here to add various improvements to the ARM, ARM64, PowerPC (PPC), and x86 hardware architectures. Moreover, it fixes several issues in the Btrfs and OverlayFS filesystems, repairs a couple of networking problems, mostly related to mac80211 and Netfilter, as well as to adds a few mm and sound enhancements.

linux-kernel-01

Linux Kernel 4.2.6 changelog

  • NVMe: Fix memory leak on retried commands
  • um: Fix kernel mode fault condition
  • kvm: irqchip: fix memory leak
  • netfilter: ipset: Fix sleeping memory allocation in atomic context
  • Revert “md: allow a partially recovered device to be hot-added to an array.”
  • crypto: api – Only abort operations on fatal signal
  • Input: alps – only the Dell Latitude D420/430/620/630 have separate stick button bits
  • Linux kernel 4.2.6 updates numerous drivers, especially for things like GPU (AMD, Intel i915, Nouveau, Radeon, and vmwgfx)
  • BUS, CLK, CPUFreq, EDAC, I2C, iiO, InfiniBand, IOMMU, IRQ chip, MD-RAID, DVB, MMC, networking (mostly Wireless), PCI, PINCTRL, SCSI, thermal, TTY, USB, and video.
  • See announcement for full release

Install Kernel 4.2.6 on CentOS 7

su root

rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org

yum install http://www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm

yum --enablerepo=elrepo-kernel install kernel-ml

Reboot and choose Kernel 4.2.6 at startup:

reboot

Remove kernel 4.2.6

yum remove kernel-ml
 
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