Ubuntu 16.04 crashes with 4.4.0-108 kernel

[dipper2]

A newer kernel has just been released, 4.4.0-109, which I have just upgraded to, and will report back in a few minutes if that is working as it should.

I presume this was to overcome the problem of the 4.4.0-108 which also affected me.
Hopefully this will be an end to the saga.

EDIT:
I can confirm that the new 4.4.0-109 kernel is working fine, so if anyone is still trying to get their machine running straight from boot up, simply do your normal update to get the new version, then purge 4.4.0-108, as it seems to be useless for many users, perhaps just Intel CPUs, but I have nothing else to use and see if the 108 version works for some hardware.

Brilliant. Thank you. This worked for me.

This is why I dumped Windows. It's always possible to solve Ubuntu problems quickly.

[flix3]

Just to confirm that 4.4.0-109 worked for me too.

The problem was that the update manager did not install all the required 4.4.0-109 files for me (maybe because I completely uninstalled and removed the four 4.4.0-108 kernel files via Synaptic).
However I've manually installed the four 4.4.0-109 kernel files (via Synaptic), rebooted, and now it works ("uname -r" tells me the kernel I'm using is correct).

Thanks everybody!

My system:
ubuntu 16.04 LTS
Intel® Core™ i5-4590 CPU @ 3.30GHz × 4
GeForce GT 630/PCIe/SSE2
64-bit

[rt2768]

4.4.0-109 working..https://usn.ubuntu.com/usn/usn-3522-3/

[DuckHook]

Unfortunately, my wife upgraded to 4.4.0-108 before I saw this. Her computer is now blacked out from on switch. Totally blind. Can't even see BIOS. Will try a few things and report back.

[cbraxton]

I installed the 4.4.0-109 kernel, headers, and tools via Synaptic but unfortunately did not experience good results. I'm using luks full-disk encryption. The boot process gets a little further than it did with 108 - the graphical password screen comes up, but in low-resolution mode, and keyboard input does not work. The system appears to be effectively hung/locked up at that point. So for me it's back to 4.4.0-104 for now.

[N0rbert]

cbraxton, do not forget to report bug about your problem.

On my 4 simple 16.04 LTS systems even with Nvidia proprietary drivers upgrade to 4.4.0-109-generic solves problems.
AskUbuntu users seem to be happy with this solution too.

[DuckHook]

Blank screen solved.

For posterity:

The bad kernel will force some systems to output only to VGA. My wife's system was using DisplayPort. Hence, no signal.

Solution:

1. Plug in VGA cable/monitor.
2. Boot to older kernel.
3. Carefully purge 4.4.0-108:

   sudo apt purge linux-image-4.4.0-108-generic linux-headers-4.4.0-108-generic

4. Test to see if later kernel exists:

   sudo apt update && sudo apt -s full-upgrade

5. If kernel is later than 4.4.0-108, install it:

   sudo apt full-upgrade

6. Clean up (optional):

   sudo apt autoremove && sudo apt clean

If your monitor has no VGA port, you will have to use a VGA to DP cable/converter.

[Jedrek30]

The solution to this problem is fully described here.
https://askubuntu.com/questions/9940...-0-108-generic

[Impavidus]

The problem was that the update manager did not install all the required 4.4.0-109 files for me (maybe because I completely uninstalled and removed the four 4.4.0-108 kernel files via Synaptic).
However I've manually installed the four 4.4.0-109 kernel files (via Synaptic), rebooted, and now it works ("uname -r" tells me the kernel I'm using is correct).

Exactly. When you uninstalled and purged 4.4.0-108, the meta-packages linux-image-generic, linux-headers-generic and linux-generic, updates to which pulled in 4.4.0-108 in the first place, got uninstalled too. The new version of linux-generic available now will pull in the new kernel (4.4.0-109) and future updates.

If you used linux-lowlatency, linux-signed-generic, linux-signed-lowlatency or linux-virtual instead, reinstall that.

[djchandler]

I installed to this machine from 16.04.03 disk, so no major updates yet. I stay on the LTS versions. On 4.10.0-42 now. I don't know what the kernel was on the installation disk. A new kernel was downloaded during installation.

You can download a new install disk, Update sources and use it as a source to update your kernel past 4.4.0-108. Go to the Other Software tab of the Software & Updates utility in System Settings after you have mounted the new 16.04.03 (or greater) .iso. You should get prompted to update from the DVD when it mounts also.

I hope this is a better solution for you. Keep your kernel as up-to-date as you are comfortable with. Fixes for the recently announced CPU bugs will go into the latest project first, then backported.

Speaking of backports, I guess we're not going to bother. Just got upgraded to kernel 4.13.0-26. AFAIK, this is the latest kernel available. I suggest everyone hold on until this gets to you. This kernel is in the Xenial repository. This is not an unsupported backport. I suggest getting on 4.13 ASAP.

BTW, I use Synaptic for package management. Obsolete kernels can be removed there. Just be careful. Removing a bunch at once is time consuming. GRUB gets updated for every kernel removed, every time.