Comment 127 for bug 1752437

(In reply to Adynathos from comment #113)
> I am observing similar problems with HP Spectre x360 15-df0850nz.
>
> It does not boot without **acpi=noirq**. With *acpi=noirq*:
>
> * Touchpad does not work
> * Touchscreen or pen does not work
> * Does not wake up after suspending
> * Keyboard sometimes does not work, but will be fine again after reboot
>
> Here is the dmesg log from kernel 4.18.0:
> https://alexandria.adynathos.net/d/2528a04f758c409c85c4/
> I also tried kernel 4.20 from
> https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/unstable but
> the problem persists.
>
> There are bugs filed on some of these topics, but they do not seem to cover
> the IRQ booting problem:
>
> * https://bugzilla.kernel.org/show_bug.cgi?id=201775
> * https://bugzilla.kernel.org/show_bug.cgi?id=201885
>
> I am new to ACPI errors, could you tell me how to proceed to best report or
> try to fix this?
> Thank you.

acpi=noirq disables any hardware that makes use of irqs like the touchscreen.
If you have a dual boot you could be affected by this https://bugzilla.kernel.org/show_bug.cgi?id=201817 which triggers a kernel panic when you reboot from windows(without a complete poweroff in between).