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Date:      Sun, 7 Jan 2018 22:28:37 +0100
From:      Michael Gmelin <freebsd@grem.de>
To:        "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net>
Cc:        clutton <clutton@zoho.com>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, "freebsd-x11@freebsd.org" <freebsd-x11@freebsd.org>, "freebsd-mobile@freebsd.org" <freebsd-mobile@freebsd.org>
Subject:   Re: Running FreeBSD on the Lenovo Thinkpad T470s (success)
Message-ID:  <813101D7-3A67-4C4E-8F3C-301B0AE7A550@grem.de>
In-Reply-To: <201801072032.w07KWD2V018387@pdx.rh.CN85.dnsmgr.net>
References:  <201801072032.w07KWD2V018387@pdx.rh.CN85.dnsmgr.net>

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On 7. Jan 2018, at 21:32, Rodney W. Grimes <freebsd-rwg@pdx.rh.CN85.dnsmgr.n=
et> wrote:

>>=20
>>=20
>>>> On 7. Jan 2018, at 20:43, clutton <clutton@zoho.com> wrote:
>>>>=20
>>>> On Sat, 2017-12-30 at 15:58 +0100, Michael Gmelin wrote:
>>>> Hi,
>>>=20
>>> Running carbon 5th gen I can't call my setup a success. 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?
>>>=20
>>> 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.
>>>=20
>>> 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.
>>>=20
>>> Here is the device being seen (a lot of pcib*):
>>> pcib5@pci0:6:0:0:    class=3D0x060400 card=3D0x11112222 chip=3D0x15d3808=
6
>>> rev=3D0x02 hdr=3D0x01
>>>   vendor     =3D 'Intel Corporation'
>>>   device     =3D 'JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge
>>> 4C 2016]'
>>>   class      =3D bridge
>>>   subclass   =3D PCI-PCI
>>>=20
>>>=20
>>> 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.
>>=20
>> In my setup, plug/unplug events for display port don't work when docking (=
usually I'm not using a dock though). This means: Mouse, Keyboard can be plu=
gged/unplugged as many time as I want at any point, while displays connected=
 over display port only work when connected before starting X (and they don'=
t disappear after disconnecting). Note that stopping X seems to fix this (so=
 no reboot required), but I don't have the docking station myself (this is t=
he Ultra Dock Pro or something - the one that connects at the bottom of the l=
aptop).
>>=20
>> Also, in my setup wifi didn't work without adding iwm0 explicitly to clon=
ed interfaces (which isn't something I wouldn't expect I have to do, but in t=
his case I had to).
>=20
> Did you have a
>    wlans_iwm0=3D"wlan0"
> in /etc/rc.conf?  =20
> I do not know or see why putting iwm0 in cloned would do much of anything
> for a wlan device.
>=20
> Also note that is wlans as in plural, not wlan_iwm0.  A mistake I
> often make from finger memory.
>=20

I have

wlans_iwm0=3D"wlan0"
ifconfig_wlan0=3D"WPA DHCP country de"

in rc.conf. Without adding

cloned_interfaces=3D"iwm0"

wlan0 never shows up in ifconfig and wpa_supplicant never starts (that's cur=
rent r326912, setup like described in my blog post).

I just double checked to confirm the behavior.

Best,
Michael





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