Comment 60 for bug 1349740

(In reply to ALTracer from comment #27)
> I've successfully installed Linux Mint 17.2 MATE 64 on my Acer Aspire E5-511
> laptop for dualboot with OEM Windows 8.1 Home 64 SL (which works fine except
> dropping wifi after de-hibernation).
> The installation media is a 4GB flash stick; burned with Rufus.
> I had to play with kernel commandline to boot the liveUSB; probed
> acpi_backlight='vendor' and nodma. At some point it managed to get past the
> line
>
> dw_dmac INTL9C60:00: invalid resource
> (now without fan spinning crazy each 20sec or so)

I guess it is nodma that matters here?

>
> ubuntu/grub-efi-x64 added to UEFI, but not present in UEFI boot priority
> settings. Never ever tried to switch to Legacy mode.
> However, to get freshly installed system up and running, I needed to write
> something into kernel commandline again.
> acpi_backlight='vendor' -- doesn't fix it.
> nodma -- ? Needs testing
> Nothing interesting in $dmesg|less.
>
> Cannot poweroff, OS halts (stops responding) and CPU fan starts spinning in
> squarewave pattern each 20sec so I hold the power button to switch it all
> off.
>
> Does disabling DMA affect performance or battery life?

Not sure, I don't know anything about dw_dmac, which is the driver for DesignWare DMA controller.

>
> btw, on first successful boot into installed system touchpad didn't work.
> UEFI setting 'Touchpad mode Advanced/Basic' didn't seem to change anything.
>
> I am happy to hand any logs or hardware info at your request.

Since there is a problem with dw_dmac, I think we should wait for that problem fixed and then see if any problems still remained.