Re: thinkpad carbon 5thgen + thunderbolt 3 dock

On Tue, 09 Jan 2018 00:16:01 +0200
clutton <clutton_at_zoho.com> wrote:

> Hi list.
> 
> I have a thinkpad carbon 5th gen with ThinkPad Thunderbolt 3 Dock. The
> notebook doesn't work well with dock station, and I'm looking forward
> for some suggestions. Here it goes:
> 
> 
> Wireless iwm doesn't support even N and AC is not supported at all.
> The wifi is much slower then on my old machines. I'm going to replace
> the wifi card in mean time, any suggestions which one to buy?

ath usually works well, but Lenovo uses a BIOS whitelist of supported
devices, so you're probably out of luck.

> 
> Graphics works perfectly. NVMe SSD with OPAL wouldn't allow machine to
> resume from sleep, sometimes it does after big timeout and writing
> errors to console, sometime it just reboots.

Is this similar to anything described in those bugs?

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211713#c9
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224064

-m

> 
> Thinkpad Thunderbolt Dock Station, here is where things get
> interesting. If I boot machine connected to dock station, peripheral
> devices would work, external monitor, keyboard, and mouse. There's no
> other way I know to make it work. Once detached - it wouldn't see
> devices again. Booting and THEN attaching - the same, machine wouldn't
> see devices.
> 
> Here is the device being seen (a lot of pcib*):
> pcib5_at_pci0:6:0:0:       class=0x060400 card=0x11112222 chip=0x15d38086
> rev=0x02 hdr=0x01
>     vendor     = 'Intel Corporation'
>     device     = 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge
> 4C 2016]'
>     class      = bridge
>     subclass   = PCI-PCI
> 
> 
> For me the main concern is Thunderbolt thought, docking station is
> amazing thing. Any ideas and thought how to make it work would be
> highly appreciated.



-- 
Michael Gmelin