Disable built-in WiFi card so that USB WiFi device gets used --- systemctl?

Tue Jul 30 04:51:40 UTC 2013

On 30/07/13 14:45, poma wrote:
> On 30.07.2013 00:03, Rolf Turner wrote:
>> Thanks "poma" (???) and Harald.  It sounds like you may have solved my
>> problem .... but I'm afraid that your advice is too cryptic for my poor
>> feeble
>> brain.  Can either of you (or someone else) spell out in tedious detail
>> just
>> what I need to do?  I cannot figure out whether things written in your
>> messages
>> are commands that I issue at the command line or lines that I need to
>> insert
>> into certain files.  And if so, which files?  I'm sure it's all obvious
>> to you guys,
>> but it leaves me floundering.
>>
>> Some specific questions:
>>
>> (1) "poma's" original posting referred to the directory /boot/extlinux
>> and a file therein called extlinux.conf.  On my system there is no
>> directory
>> "extlinux" in /boot.  The only subdirectories of /boot are "efi", "grub"
>> and
>> "grub2".
>>
>> Should I create the directory /boot/extlinux and the file
>> /boot/extlinux/extlinux.conf?
>> Or is there some other incantation that I should invoke?
>>
>> (2) Likewise the original posting refers to <drivername>. How do I
>> find/figure out
>> the *name* of the driver associated with the internal WiFi card? This
>> may sound
>> clueless, but I guess I am clueless.
>>
>> (3) I did "man 7 dracut.cmdline" and found the reference to
>> "rd.driver.blacklist"
>> but I could not fathom what it was saying.
>>
>> (4) The original posting contains:
>>> e.g.
>>> /boot/extlinux/extlinux.conf
>>> append … rd.driver.blacklist=<drivername>
>> Is the line "append … rd.driver.blacklist=<drivername>" to be placed
>> in the file /boot/extlinux/extlinux.conf?  (After I figure out what to
>> substitute
>> for "<drivername>" of course.) Are the three dots "..." literal? Or
>> are are they a filler for something that I need to insert?  If so, what
>> do I need to insert?  I haven't a clue!
>>
>> (5) I have found the file /boot/grub2/grub.cfg alright.  But it has a
>> header
>> saying "DO NOT EDIT THIS FILE".  It goes on to say:
>>> # It is automatically generated by grub2-mkconfig using templates
>>> # from /etc/grub.d and settings from /etc/default/grub
>> So do I need to edit /etc/default/grub?  Or what?
>>
>> (6) In respect of "poma's" follow-up posting:  Do I create a file
>> /etc/modprobe.d/blacklist.<modulename>.conf (after having figured
>> out what "<modulename>" should be) and place in it the line:
>>
>>     blacklist <modulename>
>>
>> (again after having figured out what "<modulename>" should be) ?
>>
>> (7) In /etc/modprobe.d there is already a file called "blacklist.conf" in
>> which there are many many lines such as:
>>
>>> # watchdog drivers
>>> blacklist i8xx_tco
>>>
>>> # framebuffer drivers
>>> blacklist aty128fb
>>> blacklist atyfb
>>> blacklist radeonfb
>>> blacklist i810fb
>>> blacklist cirrusfb
>>       .........
>>
>> Could I just put "blacklist <modulename>" into that file?
>>
>> (8) "poma" says " However OP should upgrade, anyway."  I'm sure that
>> I should.  But the thought terrifies me.  After all that I have read on
>> this
>> list recently about problems with Fedora 19, with fedup, with "yum
>> upgrade".
>> I have understood almost none of the discourse but it seems to indicate
>> that upgrading is essentially impossible unless you *really* know what you
>> are doing.  And I don't.
>>
>> Is there a simple (hah!) recipe by means of which I could upgrade?  E.g.
>> could I just type
>>
>>      sudo fedup
>>
>> at the command line?  Or perhaps
>>
>>      sudo yum upgrade
>>
>> ???  If either would work, what are the implications of using the one
>> rather
>> than the other?
>>
>> Thanks for any insight.
>>
>>      cheers,
>>
>>          Rolf Turner
>>
>>
> Step by step. ;)
>
> This is the hyperlink:
> https://support.mozillamessaging.com/en-US/kb/reply-above-or-below-quoted-text
> Below quoted text, s'il vous plaît.
>
> This is the command - c/p into reply s'il vous plaît:
> $ lspci -knn
>
>
> poma
>

Here we go.  (It is all Greek to me! :-) )

> 00:00.0 Host bridge [0600]: Intel Corporation Ivy Bridge DRAM 
> Controller [8086:0154] (rev 09)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
> 00:01.0 PCI bridge [0604]: Intel Corporation Ivy Bridge PCI Express 
> Root Port [8086:0151] (rev 09)
>     Kernel driver in use: pcieport
> 00:14.0 USB Controller [0c03]: Intel Corporation Panther Point USB 
> xHCI Host Controller [8086:1e31] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
>     Kernel driver in use: xhci_hcd
> 00:16.0 Communication controller [0780]: Intel Corporation Panther 
> Point MEI Controller #1 [8086:1e3a] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
> 00:1a.0 USB Controller [0c03]: Intel Corporation Panther Point USB 
> Enhanced Host Controller #2 [8086:1e2d] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
>     Kernel driver in use: ehci_hcd
> 00:1b.0 Audio device [0403]: Intel Corporation Panther Point High 
> Definition Audio Controller [8086:1e20] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb30]
>     Kernel driver in use: snd_hda_intel
> 00:1c.0 PCI bridge [0604]: Intel Corporation Panther Point PCI Express 
> Root Port 1 [8086:1e10] (rev c4)
>     Kernel driver in use: pcieport
> 00:1c.1 PCI bridge [0604]: Intel Corporation Panther Point PCI Express 
> Root Port 2 [8086:1e12] (rev c4)
>     Kernel driver in use: pcieport
> 00:1c.2 PCI bridge [0604]: Intel Corporation Panther Point PCI Express 
> Root Port 3 [8086:1e14] (rev c4)
>     Kernel driver in use: pcieport
> 00:1d.0 USB Controller [0c03]: Intel Corporation Panther Point USB 
> Enhanced Host Controller #1 [8086:1e26] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
>     Kernel driver in use: ehci_hcd
> 00:1f.0 ISA bridge [0601]: Intel Corporation Panther Point LPC 
> Controller [8086:1e59] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
> 00:1f.2 SATA controller [0106]: Intel Corporation Panther Point 6 port 
> SATA AHCI Controller [8086:1e03] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
>     Kernel driver in use: ahci
> 00:1f.3 SMBus [0c05]: Intel Corporation Panther Point SMBus Controller 
> [8086:1e22] (rev 04)
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
> 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Device 
> [1002:6840]
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
>     Kernel driver in use: radeon
> 01:00.1 Audio device [0403]: ATI Technologies Inc Device [1002:aa90]
>     Subsystem: Toshiba America Info Systems Device [1179:fb31]
>     Kernel driver in use: snd_hda_intel
> 08:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. 
> RTL8188CE 802.11b/g/n WiFi Adapter [10ec:8176] (rev 01)
>     Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:8212]
>     Kernel driver in use: rtl8192ce
> 09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. 
> RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 07)
>     Subsystem: Realtek Semiconductor Co., Ltd. Device [10ec:0123]
>     Kernel driver in use: r8169

Hope it enables you to give me some insight.

     cheers,

         Rolf