Re: Lenovo W540 so far

I did some more messing around.  With the right drivers compiled into 
the kernel (ichsmb), smbus gets detected.

pciconf -lv shows two devices without drivers at this point.  One is the 
wireless card (obviously), and the other is a Lynx Point MEI controller. 
  Some googling around turned up some threads that mentioned a "heci" 
driver that was under development, but it doesn't seem to be a valid 
driver option.  Does anyone know about the status of this driver (I'm 
not too concerned about it, just going for completionism)?

On 06/15/2014 10:01, Eric McCorkle wrote:
> 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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