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Re: iw dev wlp1s0 scan hangs

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On Thu, 12 Mar 2015 19:11:17 +0100
Arend van Spriel <arend@xxxxxxxxxxxx> wrote:

> On 03/12/15 18:04, German wrote:
> > On Thu, 12 Mar 2015 12:09:02 +0100
> > Arend van Spriel<arend@xxxxxxxxxxxx>  wrote:
> >
> >> On 03/12/15 09:50, German wrote:
> >>> On Thu, 12 Mar 2015 09:28:38 +0100
> >>> Arend van Spriel<arend@xxxxxxxxxxxx>   wrote:
> >>>
> >>>> On 03/11/15 23:21, German wrote:
> >>>>> On Wed, 11 Mar 2015 22:17:38 +0100
> >>>>> Arend van Spriel<arend@xxxxxxxxxxxx>    wrote:
> >>>>>
> >>>>>> On 03/11/15 22:00, German wrote:
> >>>>>>> On Wed, 11 Mar 2015 21:44:44 +0100
> >>>>>>> Arend van Spriel<arend@xxxxxxxxxxxx>     wrote:
> >>>>>>>
> >>>>>>>> On 03/11/15 21:33, German wrote:
> >>>>>>>>> On Wed, 11 Mar 2015 21:25:26 +0100
> >>>>>>>>> Arend van Spriel<arend@xxxxxxxxxxxx>      wrote:
> >>>>>>>>>
> >>>>>>>>>> On 03/11/15 21:17, German wrote:
> >>>>>>>>>>> Hi. When I try to run aformentioned command it hangs for about 20 secs and no output is returned. What's the problem might be? Thanks
> >>>>>>>>>>
> >>>>>>>>>> any more details you can share? What kernel version, what specific
> >>>>>>>>>> device is wlp1s0, do you have any kernel logging.
> >>>>>>>>>>
> >>>>>>>>
> >>>>>>>> When I wrote down the questions I was wondering how specifc I should be.
> >>>>>>>>> Kernel 3.18.7-gentoo.
> >>>>>>>>
> >>>>>>>> ok
> >>>>>>>>
> >>>>>>>>> wlp1s0 is my network card.
> >>>>>>>>
> >>>>>>>> Sure. I meant what brand and model.
> >>>>>>>>
> >>>>>>>> Can you run following commands:
> >>>>>>>> $ lspci
> >>>>>>>> $ lsusb
> >>>>>>>>
> >>>>>>> realtek RTL8723BE PCIe Wireless Network Adapter
> >>>>>>>
> >>>>>>>>> As for kernel logging, I simply don't know if I have it. Thanks
> >>>>>>>>
> >>>>>>>> Ok. Can you run following command after aborting the hanging iw scan
> >>>>>>>> command:
> >>>>>>>>
> >>>>>>>> $ dmesg
> >>>>>>>
> >>>>>>> Polling FW ready fail! Firmware is not ready to run.
> >>>>>>>
> >>>>>>> Ok, so I need some sort of firmware? That's what I thought. What is this and where can I find it in kernel when I compile it? Thanks
> >>>>>>
> >>>>>> Not familiar with Realtek equipment but it might be provided by the
> >>>>>> linux-firmware package so:
> >>>>>>
> >>>>>> $ sudo emerge --ask linux-firmware
> >>>>>>
> >>>>>
> >>>>> Thanks Arend. This did the trick. I can now scan networks and I found mine. But how I actually connect to my network? I guess it is encrypted, but I have wpa_supplicant installed.
> >>>>
> >>>> Gentoo does not seem to provide NetworkManager as a solution. I found
> >>>> this page [1]. Maybe it helps.
> >>>
> >>> Thanks Arend for pointing me to this link. NetworkManager was proposed to me on gentoo mailing list as a way to control both wireless and wired interfaces. It pulled a bunch of dependencies, though I used -X flag in USE variable not to use X server. the compile took about an hour and after all this, my system became unstable. It doesn't at all feels right, it is clunky. For now I am building gentoo laptop in pure console mode, so from all my research, iw is the only CLI tool for wireless and I like the fact it doesn't need bunch of dependences. I already installed it and I like it, so would you be so kind to get me through a set up? Documentation seems confusing. Thanks
> >>
> >> Well. iw is really for testing/debugging. Especially with WPA/RSN
> >> networks that do periodic rekeying you need wpa_supplicant. It will do
> >> the scanning on its own and establish connection and such.
> >>
> >> You could also opt for using nmcli, but that might be what you tried
> >> already.
> >>
> >> I am no gentoo expert, but let's try to get this working. I am following
> >> the wpa_supplicant section of the link I send earlier.
> >
> > Are you advising not to use iw and go the wireless-tools package?
> 
> Nope. Those are only useful for unprotected networks or WEP (which is 
> almost same as unprotected). The two options are wireless-tools or 
> wpa_supplicant. See below.
> 
Ok. I will go with nmcli for now. I already configured it, so let it be. Here is good article about not-bloated wifi conf from command line:

http://www.blackmoreops.com/2014/09/18/connect-to-wifi-network-from-command-line-in-linux/

Thank you for your time and have a good evening/day
> >>
> >> 1. modify /etc/conf.d/net
> >>
> >> Not sure if you only use wireless on the machine. Otherwise, you can
> >> copy the attach conf.net file:
> >>
> >> $ sudo cp conf.net /etc/conf.d/net
> >>
> >> 2. install wpa_supplicant configuration
> >>
> >> Edit attached wpa_supplicant.conf with your ssid and psk and copy it:
> >>
> >> $ sudo cp wpa_supplicant.conf /etc/wpa_supplicant
> >>
> >> 3. restart networking
> >>
> >> $ sudo /etc/init.d/net restart
> >>
> >> Not sure if step 3. is entirely correct regarding the script name. I
> >> don't use Gentoo.
> >>
> >> Regards,
> >> Arend
> >>>> Regards,
> >>>> Arend
> >>>>
> >>>> [1]
> >>>> http://wiki.gentoo.org/wiki/Handbook:Parts/Networking/Wireless#Wireless_tools
> >>>>
> >>>>>> Regards,
> >>>>>> Arend
> >>>>>>
> >>>>>>>>
> >>>>>>>> Regards,
> >>>>>>>> Arend
> >>>>>>>>
> >>>>>>>>>> Regards,
> >>>>>>>>>> Arend
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>>>
> >>>>
> >>>
> >>>
> >>
> >
> >
> 


-- 
German <gentgerman@xxxxxxxxx>
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