🚀 go-pugleaf

On 2011-03-09, Polly the Parrot <flatulantdingo@deadspam.com> wrote:
> Toshiba T110 laptop/netbook, Ubuntu 10.04 Gnome, Dual boot with Win7 Pro.
>
> 2.8Gb memory; 3.7GB swap.
>
> Wireless adaptor is Realtek 8191SE 802.11n; booting into kernel 2.6.32-29
>
> Until kernel 2.6.32-28, this wireless card was not even recognised.
>
> I can pick up wireless networks & connect to the network ok in hotels, 
> airport lounges etc., but the browser fails to connect (Firefox "can't find 
> the server blah blah..") and KMail, KNode do not recognise the connection.
>
> Using Gufw, firewall configured to "Allow" all outgoing connections, 
> "Reject" all incoming, no other rules.

Get rid of all firewall rules if you are trying to determine if your
card is working. No point in purposely creating two points of failure.


>  
> ifconfig shows
>
> wlan0     Link encap:Ethernet  HWaddr 70:1a:04:39:f4:2a  
>           inet addr:10.167.33.201  Bcast:10.167.35.255  Mask:255.255.252.0
>           inet6 addr: fe80::721a:4ff:fe39:f42a/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:4098 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:521 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:660059 (660.0 KB)  TX bytes:39968 (39.9 KB)
>           Interrupt:17 Memory:f8310000-f8310100 
>
> I have tried iptables -F but makes no difference.
>
> System monitor also shows receiving & sending bytes.  Ping google.com times 
> out. 
>
> These messages in sys log:
>
> Mar  9 02:31:30 jp-laptop kernel: [ 2138.055788] rtl8192_SetWirelessMode(), 
> wireless_mode:10, bEnableHT = 1
> Mar  9 02:31:30 jp-laptop connmand[1877]: wlan0 SCANNING
> Mar  9 02:31:36 jp-laptop connmand[1877]: wlan0 INACTIVE
> Mar  9 02:31:39 jp-laptop kernel: [ 2147.056924] rtl8192_SetWirelessMode(), 
> wireless_mode:10, bEnableHT = 1
> Mar  9 02:31:39 jp-laptop connmand[1877]: wlan0 SCANNING
> Mar  9 02:31:45 jp-laptop connmand[1877]: wlan0 INACTIVE
>
> Does this mean card is turning itself on and off?
>
> Same issue running Win7 Pro; exactly same as described above, except with 
> Firefox, Agent and Thunderbird.
>
> Help desk from one hotel service provider could see the connection being 
> dropped by the card from time to time, thought it may have been a router 
> issue.  Rebooting the wireless router failed to help.
>
> Hotel could connect ok with their laptop running XP. No issues for them.
>
> I could understand maybe a Linux issue, but with Windoze doing the 
> same;  is 
> the card on the blink?  Or maybe something I am missing here?
>
> Strangely enough, happened after I upgraded to kernel 2.6.32-020632 (I 
> presume this was the upgrade,top kernel in the Grub list, but this kernel 
> completely fails to read the wireless card) a couple of days ago, however I 
> doubt if this is the issue, being same problem in Windoze?  
>
> Or is it the problem? Or just a coincidence?
>
> Wired Ethernet connections no issue at all.
>
> Any clues? Any diagnostics I can run?
>
> Or is the card ready for a warranty claim through a difficult Toshiba 
> drone? 
><shudder>
>