> Michael,
>
> I still have not gotten a network guru to answer any questions about
> synchronize_net, but I have been testing the patch below:
>
> Index: wireless-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c
> ===================================================================
> --- wireless-2.6.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.c
> +++ wireless-2.6/drivers/net/wireless/bcm43xx/bcm43xx_main.c
> @@ -3169,8 +3169,8 @@ static void bcm43xx_periodic_work_handle
>                * be preemtible.
>                */
>               mutex_lock(&bcm->mutex);
> -             netif_stop_queue(bcm->net_dev);
>               synchronize_net();
> +             netif_stop_queue(bcm->net_dev);
>               spin_lock_irqsave(&bcm->irq_lock, flags);
>               bcm43xx_mac_suspend(bcm);
>               if (bcm43xx_using_pio(bcm))
>
> With the synchronize_net call before the netif_stop_queue as shown, my
> device has run since last Saturday with no netdev watchdog tx timeouts.
> Roughly two days of that testing was done at the accelerated rate of 60X
> normal.
>
> I still hope to get access to a guru, but if that doesn't happen soon, I'm
> going to push this change so that it gets into 2.6.19.
>
> Larry

Larry,

I am running a bcm4306, and got hit by this netdev tx timeout problem. I have 
upgraded to the latest wireless-2.6 git and wanted to test out the above 
patch. What was the 60x normal testing tweak you made?

Thanks,
Bob Heise
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