Linux Kernel 4.2-RC5 released

Linus Torvalds recently announced the fifth release of Linux Kernel 4.2-RC5, which is immediate availability for download and testing. According to Torvalds, it’s looking like 4.2 might be one of the releases needing more than the usual seven rc releases – things aren’t calming down like I would wish, and we’ve still had some fairly annoying issues pop up.

linux-kernel-01

  • For example, there was a core VFS fix merged just yesterday – the bug itself was old, but some changes in this merge window ended up triggering it much more easily.
  • There’s a pending i915 MST DP regression that is papered around for now, but that still needs work, and we had some fairly subtle fallout from the low-level x86 cleanups and NMI.
  • There’s also a pending question about some of the VM changes.
  • Furthermore, over three quarters of the changes are drivers, with drm, infiniband, networking and scsi leading the charge. The rest is mostly filesystem and networking code.

    Linux Kernel 4.2-RC5 changelog

    • packet: tpacket_snd(): fix signed/unsigned comparison
    • fib_trie: Drop unnecessary calls to leaf_pull_suffix
    • drm/nouveau/ibus/gk20a: increase SM wait timeout
    • powerpc/powernv/ioda2: Fix calculation for memory allocated for TCE table
    • powerpc/eeh-powernv: Fix unbalanced IRQ warning
    • net: fec: Ensure clocks are enabled while using mdio bus
    • target: Indicate success if writing 0 to pi_prot_type
    • target: Do not return 0 from aptpl and alua configfs store functions
    • drm/msm: mdp4: Fix drm_framebuffer dereference crash
    • See announcement for full release

    Install Kernel 4.2-RC5 on Ubuntu OS

    32bit OS

    cd /tmp
    
    wget kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/linux-headers-4.2.0-040200rc5_4.2.0-040200rc5.201508030228_all.deb
    
    wget kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/linux-headers-4.2.0-040200rc5-generic_4.2.0-040200rc5.201508030228_i386.deb
    
    wget kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/linux-image-4.2.0-040200rc5-generic_4.2.0-040200rc5.201508030228_i386.deb
    
    sudo dpkg -i linux-headers-4.2*.deb linux-image-4.2*.deb
    
    sudo reboot

    64bit OS

    cd /tmp
    
    wget kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/linux-headers-4.2.0-040200rc5_4.2.0-040200rc5.201508030228_all.deb
    
    wget kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/linux-headers-4.2.0-040200rc5-generic_4.2.0-040200rc5.201508030228_amd64.deb
    
    wget kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc5-unstable/linux-image-4.2.0-040200rc5-generic_4.2.0-040200rc5.201508030228_amd64.deb
    
    sudo dpkg -i linux-headers-4.2*.deb linux-image-4.2*.deb
    
    sudo reboot

    Remove Linux Kernel 4.2-RC5

    sudo apt-get remove linux-header-4.2* linux-image-4.2*
     
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