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SubjectRe: [PATCH] rt2x00: rt2800: fix zeroing skb structure


On Sat, 30 Jul 2011, Justin Piszcz wrote:

>
>
> On Sat, 30 Jul 2011, Andreas Hartmann wrote:
>
>> Hi Justin,
>>
>> if you want to test, if the module works stable, run this script for one
>> or two hours. It will stress the driver and the hardware.
>>
>> If it doesn't crash and if the throughput is stable, you can hope, that
>> the driver is ok for daily work.
>>
>>
>> #!/bin/sh
>>
>> dest="server" # set the servername
>>
>> while true ; do
>> netperf -t TCP_MAERTS -H $dest
>> netperf -t TCP_STREAM -H $dest
>> netperf -t TCP_SENDFILE -H $dest
>> done
>>
>>
>> Start the script on the client. On the server start netserver.
>> You get netperf from http://www.netperf.org/netperf/
>>
>>
>> Andreas
>>
>
> Hello Andreas,
>
> Thanks for the suggestion; however, it is crashing repeatedly after about
> 5-10 minutes, so it is not needed yet.
>
> Here you go, crash 2:
> http://home.comcast.net/~jpiszcz/20110730/2630-rt2800usb-crash2p1.jpg
> http://home.comcast.net/~jpiszcz/20110730/2630-rt2800usb-crash2p2.jpg
>
> Justin.
>

(This is with the patch provided earlier)

atom:/usr/src/linux# cd drivers/net/wireless/rt2x00/
atom:/usr/src/linux/drivers/net/wireless/rt2x00# grep 'memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE)' rt2800lib.c
memset(skb_push(entry->skb, TXWI_DESC_SIZE), 0, TXWI_DESC_SIZE);
atom:/usr/src/linux/drivers/net/wireless/rt2x00# cat /usr/src/linux/.version
2
atom:/usr/src/linux/drivers/net/wireless/rt2x00# uname -a
Linux atom 3.0.0 #2 SMP Sat Jul 30 08:34:18 EDT 2011 x86_64 GNU/Linux
atom:/usr/src/linux/drivers/net/wireless/rt2x00#

Justin.



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