Re: [Madwifi-devel] [PATCH] Track dma mapping size

[Ilya A. Volynets-E. <il...@to...>]

I just created a ticket for this bug and patch.
http://madwifi-project.org/ticket/2431

On 10/29/10 09:25, Ilya A. Volynets-Evenbakh wrote:
>  I've run into a problem with madwifi trunk,
> running on arm platform. Following sequence of
> events leads to an oops.
>
> Two machines are configured using commands below
> (one as sta, one as an AP)
>
> wlanconfig ath0 create wlandev wifi0 wlanmode $MODE
> iwconfig ath0 channel 149 essid something; ifconfig ath0 up
> vconfig add eth0 90
> vconfig add ath0 90
> brctl addbr br0
> brctl addbr br1
> brctl addif br0 ath0;
> brctl addif br0 eth0
> ifconfig br0 $IP
>
> After that some data passes around the station crashes
> while trying to unmap data after TX processing.
>
> Attached patch fixes the problem.
>
> Note: I'm running linux-2.6.35.4, on ixp465-based platform.
> eth0 is running ixp4xx-eth driver which ships with the kernel.
> I do not know if the condition is reproducible with other
> hardware/software combinations.

-- 
Ilya A. Volynets-Evenbakh
http://www.total-knowledge.com