Bootup error : Unexpected LVT TMR intterupt

Ambedkar R ambedkar_r at rediffmail.com
Tue Nov 27 09:20:51 EST 2007


Hi,

That's cool to hear.

Thanks
Ambedkar.R

On Tue, 27 Nov 2007 Archana Rajagopal wrote :
>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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