Re: [gentoo-user] [yoga13] rtl8723au

[Alan McKinnon]

On 14/09/2013 16:36, Michael Mol wrote:
> So, for work, I got a Lenovo IdeaPad Yoga 13. I've got it booting
> Gentoo. The rtl8723au chipset, which manages both wifi and bluetooth in
> this laptop, does not have a driver in =sys-kernel/gentoo-sources-3.10.7.
>
> Everything I know about the driver comes from two places. First, the
> LKML thread where Larry Finger announced his obtainment of the driver
> from Realtek, and his uploading it to github.
>
> https://lkml.org/lkml/2013/4/1/280
>
> Second, the relevant Github repo (and the particular commit at which I
> have it):
>
> https://github.com/lwfinger/rtl8723au/commit/58a426d1ce29d8c26c36630ef8970afdc6876fcc
>
> Now, here's what's weird. That driver code works fine under Ubuntu
> 13.04. Boot into Ubuntu 13.04, build the driver, insmod 8723au.ko, and
> NetworkManager/nm-applet tells me wireless networks are available.
>
> Under Gentoo, using 3.10.7, no such luck. Build the driver, insmod it,
> and NetworkManager suddenly thinks there's a *wired* NIC present. The
> Yoga 13 doesn't have a wired NIC.

Eh? That is weird. Have you tried vanilla-sources to take gentoo
patchset out of the equation?

Or possibly the driver was developed on Ubuntu and relies on one of
their patches

>
> iwlist scan gives:
>
> enp0s26u1u4i2  Interface doesn't support scanning.
>
> ip link show gives:
>
> 9: enp0s26u1u4i2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq
> state DOWN mode DEFAULT qlen 1000
>     link/ether 20:16:d8:b0:25:77 brd ff:ff:ff:ff:ff:ff
>
> The NIC doesn't appear under lspci, but it does appear under lsusb:
>
> /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
>     |__ Port 1: Dev 2, If 0, Class=Hub, Driver=, 480M
>         |__ Port 4: Dev 4, If 0, Class=Wireless, Driver=, 480M
>         |__ Port 4: Dev 4, If 1, Class=Wireless, Driver=, 480M
>         |__ Port 4: Dev 4, If 2, Class=Vendor Specific Class,
> Driver=rtl8723au, 480M
>
> (Several buses and ports omitted, just including the one that appears to
> be where the NIC is located at)
>
> Hopefully I'm just missing something silly. If not, I'm perfectly
> willing to dig deeper, so long as this 1wk-old kid on my lap is asleep...

Daddy!!!!!

Congrats on the new one in your life. Your definition of "personal free
time" is about to change dramatically i.e. it goes away.

Would this be why you suddenly got quiet the last 3 months or so?





-- 
Alan McKinnon
alan.mckinnon@×××××.com