[rhelv6-list] RHEL6 Wireless problem

[馬小布]

>
>>
> Hello.  Have you tried with the latest RHEL6.1?
>

Yes, I really am sure that  I installed the lasted RHEL6.1。

[Sync at genius tmp]$ uname -a
Linux genius 2.6.32-131.0.15.el6.x86_64 #1 SMP Tue May 10 15:42:40 EDT 2011
x86_64 x86_64 x86_64 GNU/Linux

[Sync at genius tmp]$ cat /etc/issue
Red Hat Enterprise Linux Server release 6.1 (Santiago)
Kernel \r on an \m



>
> I would also suggest restarting NetworkManager vs restarting the
> networking service for wireless controllers.
>

I restart that service , when I click the "enable  wireless" on
NetWorkManager applet , then the machine display the following message:

root at genius ~: tailf /var/log/message
......
.....
Dec  6 22:05:37 genius dbus: [system] Rejected send message, 1 matched
rules; type="method_return", sender=":1.75" (uid=0 pid=3588
comm="NetworkManager) interface="(unset)" member="(unset)" error
name="(unset)" requested_reply=0 destination=":1.52" (uid=500 pid=2548
comm="nm-applet))





> Are you using the correct module?  Is the module (driver) installed?  A
> good way to check would be getting the output of 'lspci' and 'lspci -n'.
>
> Using my x200 laptop as an example, lspci will return a line like:
>
> ...
> 00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network
> Connection (rev 03)
> ...
>
> What is important from this line is the 00:19.0.  At this point, we are
> going to check if the above Ethernet controller is supported.  We need to
> now get the output from 'lspci -n' on the same machine and look at the line
> with 00:19.0 in it.
>
> ...
> 00:19.0 0200: 8086:10f5 (rev 03)
> ...
>
> The important part here is the 8086:10f5.  This is the hardware pci id.
>  We can compare this information to the kernel drivers and 'modinfo'.
>
> RHEL{5,6}:
>
> $ find /lib/modules/$(uname -r)/kernel/drivers -type f|xargs modinfo|grep
> -B 200 -i 8086 | grep -B 50 -i 10f5 | grep filename | tail -n1
>
> filename: /lib/modules/2.6.32-131.21.1.**el6.x86_64/kernel/drivers/net/**
> e1000e/e1000e.ko
>


As you told me , the following message is my wireless  controller:

[Sync at genius drivers]$ lspci

06:00.0 Network controller: Atheros Communications Inc. AR928X Wireless
Network Adapter (PCI-Express) (rev 01)

[Sync at genius drivers]$ lspci -n
06:00.0 0280: 168c:002a (rev 01)


[Sync at genius drivers]$ find . -type f |xargs modinfo |grep -B 200 -i 168c
|grep -B 50 -i 002a |grep filename|tail -n1
filename:       ./net/wireless/ath/ath9k/ath9k.ko
[Sync at genius drivers]$ pwd
/lib/modules/2.6.32-131.0.15.el6.x86_64/kernel/drivers


So the card is supported , isn't it ?




>
> Sorry for the ugly command but this information tells us that the card is
> supported and in this case tells us the module that it uses.  You may or
> may not get the module information.  If you do not, that is a good
> indication the piece of hardware is not supported. You should also search
> for one part of the hardware pci id to get more results but a good rule of
> thumb is if you don't get anything back, then you _may_ (not always) need
> to get the driver from the vendor.
>
> HTHs,
>
> ~rp
>
> --
> +-----------------------------**[ robin at redhat.com ]----+
> | Robin Price II - RHCE,RHCDS,RHCVA                   |
> | Technical Account Manager                           |
> | Red Hat, Inc.                                       |
> | w: +1 (919) 754 4412                                |
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