Update & Install Linux Kernel 4.14 rc5

Install Linux Kernel 4.14 rc5. Update to Kernel 4.14 rc5 on Linux Ubuntu Systems. The latest release of Linux Kernel 4.14 rc5 brings few improvements. Announcing the release, Linus Torvalds wrote:

Linux Kernel 4.14 rc5

Things seem to be finally starting to calm down for 4.14.

We’ve certainly had smaller rc5’s, but we’ve had bigger ones too, and this week finally felt fairly normal in a release that has up until now felt a bit messier than it perhaps should have been. So assuming this trend holds, we’re all good. Knock wood.

So what do we have here? A little bit of everything, but what might be most noticeable is some more fixes for the whole new x86 TLB handling due to the ASID changes that came in this release. Some of the lazy TLB handling changes caused problems on a few AMD chips with particular settings, because it was all a little bit *too* lazy in flushing the TLB. Even when TLB entries aren’t used (and will be flushed before any possible use), the TLB may be speculatively filled, and that can cause problems if we’ve already free’d the page tables that the speculative fill ends up looking up.

The other thing perhaps worth mentioning is how much random fuzzing people are doing, and it’s finding things. We’ve always done fuzzing (who remembers the old “crashme” program that just generated random code and jumped to it? We used to do that quite actively very early on), but people have been doing some nice targeted fuzzing of driver subsystems etc, and there’s been various fixes (not just this last week either) coming out of those efforts. Very nice to see.

Anyway, rc5 is out, and things look normal. We’ve got arch updates (mostly x86and poweerpc, but some mips), drivers (gpu, networking, usb, sound, misc), some core kernel (lockdep fixes, networking, mm) and some tooling (perf, selftests).

Go out and test.

– Linus

Install Linux Kernel 4.14 rc5

On 64 Bit Systems


sudo apt-get update
sudo apt-get upgrade
sudo wget http://kernel.ubuntu.com/~kernel-ppa/mainline/linux-headers-4.14.0-041400rc5_4.14.0-041400rc5.201710152230_all.deb
sudo wget http://kernel.ubuntu.com/~kernel-ppa/mainline/linux-headers-4.14.0-041400rc5-generic_4.14.0-041400rc5.201710152230_amd64.deb
sudo wget http://kernel.ubuntu.com/~kernel-ppa/mainline/linux-headers-4.14.0-041400rc5-lowlatency_4.14.0-041400rc5.201710152230_amd64.deb
sudo dpkg -i *.deb

On 32 Bit Systems


sudo apt-get update
sudo apt-get upgrade
sudo wget http://kernel.ubuntu.com/~kernel-ppa/mainline/linux-headers-4.14.0-041400rc5_4.14.0-041400rc5.201710152230_all.deb
sudo wget http://kernel.ubuntu.com/~kernel-ppa/mainline/linux-headers-4.14.0-041400rc5-generic_4.14.0-041400rc5.201710152230_i386.deb
sudo wget http://kernel.ubuntu.com/~kernel-ppa/mainline/linux-headers-4.14.0-041400rc5-lowlatency_4.14.0-041400rc5.201710152230_i386.deb
sudo dpkg -i *.deb

Kernel v4.14-rc5 mainline build

These binary packages represent builds of the mainline or stable Linux kernel tree at the commit v4.14-rc5 (33d930e59a98fa10a0db9f56c7fa2f21a4aef9b9)

To obtain the source from which they are built fetch the commit from git://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack v4.14-rc5 and apply the following patches on top in the order below:

0001-base-packaging.patch
0002-debian-changelog.patch
0003-configs-based-on-Ubuntu-4.14.0-2.3.patch

For more info, visit http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.14-rc5/

Update & Install Linux Kernel 4.14 rc5 originally posted on Source Digit – Latest Technology, Gadgets & Gizmos.

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