I just installed 16.04 LTS on my new desktop, Dell Alienware Aurora R7, with i7-8700K, 32GB RAM, SSD(SM961 NVMe SSD) and 1080TI.

So far, everything works ok except I get a kernel panic when I try to shutdown (reboot works ok).

kernel panic screen capture

How can I avoid that?


I was actually looking into this due to the fact that I might get the same system.

There was a previous question for this situation for which an answer mentioned choosing a previous kernel version. That might solve it: Ubuntu 16.04 LTS IRQ kernel panic at shutdown - Alienware R7 desktop

BTW did you try the system with the latest non-LTS version of Ubuntu? That could also work.

  • Thanks for your answer. I tried but it doesn't work. – John B. Kim Feb 23 '18 at 13:49

I have an Alienware Aurora R7/0VDT73, BIOS 1.0.11. The system crashed on shutdown because of IRQ issues on a built-in-module (i2c-designware-core).

I solved this by editing the file /etc/default/grub and adding the kernel option noapic, to this line:

GRUB_CMDLINE_LINUX_DEFAULT="quiet noapic splash"

After that you should also launch the command:

sudo update-grub

Now my system shuts down without any problem.


How I solved this issue!

Add initcall_blacklist=dw_i2c_init_driver to the kernel command line. This works for me on kernel 4.15.0+.

For anyone else who'll find this answer. You can do it by editing /etc/default/grub:

Run in the terminal: sudo -H gedit /etc/default/grub.

(if you don't have gedit installed use your favorite text editor or "sudo apt install gedit" without quotes)

Append blacklist string to the GRUB_CMDLINE_LINUX_DEFAULT: GRUB_CMDLINE_LINUX_DEFAULT="quiet initcall_blacklist=dw_i2c_init_driver".

Save the file, close the editor.

Run in the terminal: sudo update-grub.

Reboot and test!

Credit goes to this post: https://unix.stackexchange.com/questions/423797/how-do-i-disable-i2c-designware-support-when-its-not-built-as-a-module/446913#446913

These are my specs for this rig. Alienware Aurora R5 Nvidia GTX 1070/8GBvram 8GB ram i7 Intel core processor(8core)"Skylake"

  • It seems that this is the actual answer " How I solved this issue was installing Manjaro and using their built in kernel installer,and switched to a "Real Time" kernel. " I suggest editing your answer to make this stand out more. – Organic Marble Jun 27 '18 at 1:32

On my Dell Alienware 17R3 with Samsung Pro 960 NVMe SSD I had a problem suspending/resuming lockup fixed by editing /etc/default/grub and adding the parameter acpiphp.disable=1 to the line containing:


Afterwards it looks like this:

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpiphp.disable=1"

Save the file. Next update /boot/grub.cfg and generate a new initrd.img with the command:

sudo update-grub

Finally reboot and test.

I don't have the PM961, but rather the 960 Pro so haven't experienced your issue. If none of the other answers or comments help one last thing you could try is:


parameter in /etc/default/grub LINUX kernel argument list. I just found this in Arch Linux. There are other steps you may wish to investigate in the link.

protected by WinEunuuchs2Unix Jun 27 '18 at 2:42

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