Lenovo W540 so far

Hello all,

I recently purchased a Lenovo W540 mobile workstation.  Most of the 
hardware works, though there are a few issues.  Here is a breakdown of 
my setup, what works, and what doesn't.


Basic Installation:  I set up a GPT/ZFS-only scheme.  The laptop comes 
pre-configured for booting UEFI-only, but it supports a legacy BIOS boot 
mode.  Setting up ZFS went smoothly with little trouble.

The laptop also came with a 16 GB flash drive, which I used as a swap 
device.  It could also be used as an L2ARC for ZFS.

I also ran into some build errors when trying to build world, that 
seemed to be caused by a version mismatch between the clang-tblgen 
binary in the 10 installer and the .tbl files in head.


ACPI: Suspend/resume works without incident, both in terminal mode and 
in X.  The following error messages get printed:

pci0: failed to set ACPI power state D2 on \134_SB_.PCI0.PEG_: 
AE_BAD_PARAMETER
pci0: failed to set ACPI power state D2 on \134_SB_.PCI0.EXP1: 
AE_BAD_PARAMETER
pci0: failed to set ACPI power state D2 on \134_SB_.PCI0.EXP2: 
AE_BAD_PARAMETER
pci0: failed to set ACPI power state D2 on \134_SB_.PCI0.EXP3: 
AE_BAD_PARAMETER
pci0: failed to set ACPI power state D2 on \134_SB_.PCI0.EXP5: 
AE_BAD_PARAMETER

This doesn't seem to affect anything, though.

A similar error occurs when trying to use the nvidia driver.  However, 
these errors do seem to prevent the driver from working:

ACPI Warning: \134_SB_.PCI0.PEG_.VID_._DSM: Argument #4 type mismatch - 
Found [Buffer], APCI requires [Package] (20130823/nsarguments-97)
(the same message gets repeated about 10 times)


Xorg: As previously mentioned, the nvidia driver is non-functional.  The 
nv driver does not seem to support the on-board card (Quadro K1100). 
The vesa driver works though.

I'm using enlightenment 17.  I haven't done anything fancy with it yet, 
though.


USB: USB 1.0 and 2.0 seem to work.  USB 3.0 has problems.

The messages for xhci are:

xhci0: <Intel Lynx Point USB 3.0 Controller> mem 0xb2a20000-b2a2ffff irq 
16 at device 3.0 on pci0
xhci0: 32 byte context size
xhci0: Port routing mask set to 0xffffffff
...
xhci0: Port routing mask set to 0x00000000
usb_alloc_device: device init 2 failed (USB_ERR_IOERROR, ignored)


A bit of looking around seemed to reveal that there's known issues with 
the Lynx Point controller.  I don't know much about the USB system, so 
not sure what to do here.


Mouse: Trackpad and trackpoint work, though Synaptics does not seem to 
be supported (at the kernel driver level).  If I'm not mistaken, the 
touchpad is a multitouch touchpad, so maybe I will look into why it's 
not supported.

The touchpad is a bit sensitive, though, and an accidental palm touch 
can register as a click.

Sound: Sound card gets detected, seems to work, though I haven't done 
anything serious with it yet.  Also experimenting a bit with setting up 
rc scripts to start audio servers like Jack and Pulseaudio and run them 
as system-wide processes


Network: Ethernet works fine, Intel 7260AC chipset is not supported for 
wireless :(


Questions/suggestions/advice are welcome.

Eric
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