Bootup error : Unexpected LVT TMR intterupt

Archana Rajagopal archana.gopal at gmail.com
Mon Nov 26 16:44:40 EST 2007


Hi,
   Its finally working.I tried the same procedure on the Desktop.It
worked.Don't know what went wrong.Gues it has to do with the bridge that you
mentioned.Thank you very much.


Regards
Archana.

On Nov 26, 2007 12:38 PM, Archana Rajagopal <archana.gopal at gmail.com> wrote:

> Hi Ambedkar,
> Thank you very much.
>     I tried using the commands.But my setup does not seem to have brctl
> command itself.It says command not found.Any idea why I dont have that?
>
>
> On 26 Nov 2007 05:52:37 -0000, Ambedkar R < ambedkar_r at rediffmail.com>
> wrote:
>
> > Hi Archana,
> > Welcome.
> >
> > * Nice to hear that your setup works fine.
> >
> > * wpa_supplicant means,it is software for Wireless STA's.Since you
> > wanted to bring your X86 machine as AP,you no need to worry about
> > wpa_supplicant.
> >
> > * [ARCHANA SAYS]Ping test fails.
> >   [AMBEDKAR SAYS] The reason for ping failure,there may be only wireless
> > interface up and running(RADIO),to reach ethernet we need brige
> > interface,which you may not be configured in your X86 machine.Bridgeinterface acts as converting
> > 802.11[Wireless LAN] packets into 802.3[LAN or whichever network it
> > goes] packets or vice versa[You might be aware of PORTAL.A PORTAL
> > peforms the INTEGRATION service is nothing but act as bridge between two
> > different techniques]
> >
> > Use the following command to bring up the setup.
> >
> > #wlanconfig atho(or eth1) destroy
> > #wlanconfig atho create wlandev wifi0 wlanmode ap
> > # modprobe or insmod
> > --------------------If AP already running,dont use the above command,
> >
> > Use the following command to bring up the BRIDGE Interface
> > #iwconfig ath0 down
> > #iwconfig eth0 down
> > #brctl show ------------------to check bridge intefce created or not.
> > #brctl addbr br0
> > #brctl addif br0 eth0
> > #brctl addif br0 eth0
> > #ifconfig ath0 up
> > #ifconfig eth0 up
> > #ifconfig br0 192.168.1.1
> >
> > Use the above command carefully.
> >
> > #hostapd -dd hostapd.conf
> > Hostapd takes the configuration from hostapd.conf and runs.
> >
> > Try it out and update me ,will bring the setup today itself.
> >
> > Thanks
> > Ambedkar.R
> >
> > On Fri, 23 Nov 2007 Archana Rajagopal wrote :
> >
> > >Thank you Ambedkar!!
> > >After I posted the message, I tried once again to make AP mode
> > work.Itfinally
> > >worked.But I did not use hostapd.The card is activated by the inbuilt
> > hostap
> > >driver and I could set master mode on the card.The Access Point was
> > visible
> > > from all systems and I could connect other systems to it.
> > >In the Access Point, it gave the message(dmesg) that the system
> > associated
> > >and gave the hardware address of the associated machine also.But the
> > ping
> > >does not work.I can't ping from the access point nor from the other
> > laptops.
> > >Do I need hostapd?If so what does this command do:
> > >    hostapd -B hostapd.conf
> > >
> > >You have mentioned a .config file.Is it the hostapd.conf file?
> > >Whenever I run the above command it says
> > >"Hostap Driver initialization failed"
> > >ioctl (SIOC..FLAG) No such device
> > >
> > >Please do clarify.Moreover what is wpa_supplicant?Do I need it?
> > >
> > >Thank you once again
> > >
> > >Regards
> > >Archana.
> > >
> > >On 23 Nov 2007 16:45:20 -0000, Ambedkar R <ambedkar_r at rediffmail.com>
> > wrote:
> > >
> > > >
> > > > Hi Archana,
> > > >
> > > > Bringing up the X86(Linux machine) as AP is very easy.All you should
> > have
> > > > that get it download the packages,
> > > >
> > > > 1.hostapd
> > > > Link: http://hostap.epitest.fi/hostapd/
> > > > Download the latest Stable release
> > > >
> > > > 2.I think,prism2/2.5/3 works fine with hostap driver.
> > > >
> > > > 3.You can find the .config file,get it modify it according to your
> > > > card.
> > > >
> > > > Once you done,update me.
> > > >
> > > > Thanks
> > > > Ambedkar.R
> > > >
> > > > On Thu, 22 Nov 2007 Archana Rajagopal wrote :
> > > >
> > > > >Thank You Ambedkar!
> > > > >Actually the Linksys card worked on the old kernel(without any
> > > > >compilation).It automatically loaded orinoco_cs and hostap_cs, when
> > I
> > > > >inserted the card and I could access the internet.But when I
> > compiled the
> > > > >new kernel, I think I set something different in the
> > configuration(though
> > > > I
> > > > >dont remember doing anything different other than setting host ap
> > options
> > > > to
> > > > >'Yes' instead of modularize).So, do you mean that the absence of
> > > > appropriate
> > > > >driver caused the bootup error?
> > > > >My goal is to make the card act as an access point.So I want
> > hostap_cs
> > > > >driver to work on the card.Do I need hostapd(daemon) to actually
> > set AP
> > > > >mode?I am new to this, I dont really understand how to make the
> > Linksys
> > > > >WPC11 work as an access point.It will be very helpful if you could
> > > > clarify.
> > > > >
> > > > >-Thank you
> > > > >Archana Rajagopal.
> > > > >
> > > > >
> > > > >
> > > > >
> > > > >On 22 Nov 2007 10:40:16 -0000, Ambedkar R <
> > ambedkar_r at rediffmail.com>
> > > > wrote:
> > > > >
> > > > > >
> > > > > > Hi Archana,
> > > > > >
> > > > > > ORiNOCO card which you mentioned uses "madwifi" driver.ButWPC11(Note
> > > > book
> > > > > > Adapter-B) uses its own driver(Linksys).So that may be the
> > problem.Andi
> > > > > > dont think that you can use the WPC11 card on madwifi driver.
> > > > > >
> > > > > > Please let me know more details.
> > > > > >
> > > > > > Thanks
> > > > > > Ambedkar.R
> > > > > >
> > > > > >
> > > > > > On Wed, 21 Nov 2007 Archana Rajagopal wrote :
> > > > > >
> > > > > > >Hi,
> > > > > > >    I am using kernel version 2.6.18-2 .I tried compiling the
> > kernel
> > > > with
> > > > > > >HostAP and PCMCIA options as 'Yes'.The system boots up if I use
> > > > orinoco
> > > > > > card
> > > > > > >but when I use Linksys WPC11(Prism card), it gives the
> > following
> > > > message:
> > > > > > >                      "CPU:0 Unexpected LVT TMR interrupt!!"
> > > > > > >and then the system gets stuck there...it does not boot.
> > > > > > >
> > > > > > >Even if insert the card after boot...the system hangs...and I
> > have to
> > > > > > reboot
> > > > > > >it.
> > > > > > >
> > > > > > >One observation is :
> > > > > > >When I booted the system without any card and rebooted it.Whenit was
> > > > > > about
> > > > > > >to shutdown, i inserted the Linksys card it showed the
> > following
> > > > > > messages:
> > > > > > >"PCMCIA card inserted"
> > > > > > >Registering device ...
> > > > > > >hostap_cs : Registered device xxx
> > > > > > >....
> > > > > > >
> > > > > > >Does it mean that it is trying to load hostap for that card?I
> > did not
> > > > > > >understand.Please clarify.
> > > > > > >Thank you.
> > > > > > >
> > > > > > >--
> > > > > > >Regards
> > > > > > >Archana Rajagopal
> > > > > > >_______________________________________________
> > > > > > >HostAP mailing list
> > > > > > >HostAP at shmoo.com
> > > > > > >http://lists.shmoo.com/mailman/listinfo/hostap
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > > >--
> > > > >Regards
> > > > >Archana Rajagopal
> > > >
> > > >
> > > >
> > >
> > >
> > >--
> > >Regards
> > >Archana Rajagopal
> >
> >
> >  [image: Magic Bricks]<http://adworks.rediff.com/cgi-bin/AdWorks/click.cgi/www.rediff.com/signature-home.htm/1050715198@Middle5/1960669_1953607/1960144/1?PARTNER=3&OAS_QUERY=null+target=new+>
>
>
>
>
> --
> Regards
> Archana Rajagopal




-- 
Regards
Archana Rajagopal
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