Comment 54 for bug 1349740

(In reply to Roman Kurbatov from comment #19)
> Just installed 14.04.2 64-bit, same note (Acer e5-551). Same error.

Acer e5-551? The original reporter has e5-511, a typo perhaps?

>
> dw_dmac INTL9C60:00: invalid resource
>
> "SCI (ACPI GSI 9) not registered" and
> "i2c_designware 80860F41:02 failure requesting irq 34"
> "i2c_designware 80860F41:05 failure requesting irq 37"
>
> i2c errors disappeared after I disabled Advanced mode of touchpad (it was
> something about it uses I2C so better to be disabled on most of systems).

In BIOS setting?

>
> And dw_dmac error disappeared after I set
>
> modprobe.blacklist=dw_dmac,dw_dmac_core
>
> during boot. I can installed system, though touchpad worked strange
> (constantly pressing buttons).
>
> After install and upgrade system booted. It was same dw_dmac error, but
> system booted. It is late, so i'll try to investigate something tomorrow.
> What info should I provide?

Except the dw_dmac error message, do you have any problem related to functionality?