[Server-devel] Active Antenna woes

John Watlington wad at laptop.org
Tue Mar 4 09:31:29 EST 2008


I just encountered this problem here in Peru.
No more insights right now, but I'll be looking
into this more aggressively over the next
few days.

wad

On Mar 4, 2008, at 2:38 AM, sulochan acharya wrote:

> Hi John,
> Yeah, i still have mesh crashing on me every now and then. Its a  
> hit and miss with two antennas plugged in.
> I haven't had problem with it in the past day or so but i wont be  
> surprised if it crashed right after i send this email.
>
> What was the change made in the driver? Is there a new one out that  
> i should update to?
> thanks for your help.
>
> -Sulochan
>
> On Sat, Mar 1, 2008 at 9:14 AM, John Watlington <wad at laptop.org>  
> wrote:
>
> Sorry it took so long to get back to you on this.  It's been a rough
> week.
> Are you still having problems ?
>
> Does the same think happen when you attach the antennas after the
> server is booted ?   Take a look at dmesg after doing this.
>
> I'm having trouble
>
> The tx_watchdog timeouts are due to problems in the
> Marvell firmware/hardware.   A rewrite of the driver stopped this
> problem from crashing the driver, but the underlying problem is still
> happening.
>
> Regards,
> John
>
> On Feb 18, 2008, at 10:56 PM, sulochan acharya wrote:
>
> > Hi John,
> > Both the antennas are using firmware version 31.07, and they work
> > fine separately, but i cant get them to behave
> > when both are connected to the XS. In fact if i boot the machine
> > with two antennas connected it takes a long time to get to
> > the point where it checks for the msh.
> > Can it be a problem with the XS?
> >
> > I was able to get both to work for a short period of time
> > yesterday, but a network restart got me back to the same error
> > messages, and same problem. I did not reprogram the antennas
> > because both are actually working fine. It this problem same to
> > antenna going to repeater mode, i check the track for this error,
> > but didn't find something that matches this exact problem.
> >
> > Anyone with any knowledge on this please help.
> >
> > thanks,
> >
> > -Sulochan
> >
> > On Feb 15, 2008 8:25 PM, John Watlington <wad at laptop.org> wrote:
> >
> > Those messages are certainly from the driver, but it has been tested
> > and works fine with multiple antenna.  The most likely source of  
> this
> > problem is old firmware in the second antenna.   Please take a look
> > at:
> > http://wiki.laptop.org/go/Active_Antenna_Reprogramming
> >
> > and ensure that the antenna is running v. 3107 of the firmware.
> >
> > A less likely possibility is actual hardware failure.   You might
> > open the
> > Antenna and make sure that the USB connection is still well  
> soldered.
> >
> > John
> >
> > On Feb 15, 2008, at 1:22 AM, sulochan acharya wrote:
> >
> > > Hi all,
> > > I am having trouble getting two active antennas connected to the
> > > server.
> > >
> > > This is what happens:
> > >
> > > 1.When i try to connect two antennas to the server and then start
> > it:
> > > ERROR:
> > >
> > > klogctl: Invalid argument
> > >
> > > Starting udev: Intel_rng: FWH not detected
> > >
> > > libertas: firmware ini failed
> > > And the server would not boot. It would just give libertas: tx
> > > watchdog timeout error.
> > >
> > > I also got the following error:
> > >
> > > Warning : at /home/dwmw2/olpc-2.6/drivers/net/wireless/libertas/
> > > if_usb.c:413 usb_tx_block() (Not tainted)
> > > [<f8a06297>] usb_tx_block+0xb0/0xfa [usb8xxx]
> > > ...
> > > ...
> > > ...
> > > ...
> > > Another error message:
> > > Libertas: EXEC_NEXT_CMD:  pending data in-flight!
> > > Schoolserver kernel : libertas: EXEC_NEXT_CMD: pending data in-
> > flight!
> > > Rootlibertas: tx watchdog timeout
> > >
> > >
> > >
> > > 2. When i start the server with one antenna it works fine. If i  
> add
> > > a second one and do #service network restart
> > > it would get suck trying to initiate msh1 ....msh0 is active at
> > > this point.
> > >
> > > Also i get this warning all the time libertas: tx watchdog timeout
> > >
> > > Is this a known problem? Can someone point me towards the  
> direction
> > > to getting this fixed.
> > > Is this a driver problem?
> > >
> > > best,
> > > Sulochan
> > >
> > >
> > >
> > > _______________________________________________
> > > Server-devel mailing list
> > > Server-devel at lists.laptop.org
> > > http://lists.laptop.org/listinfo/server-devel
> >
> >
>
>



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