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Re: memory clobber in rx path, maybe related to ath9k.

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On 10/05/2010 11:14 AM, Ben Greear wrote:
On 10/05/2010 10:55 AM, Luis R. Rodriguez wrote:
On Tue, Oct 5, 2010 at 10:47 AM, Ben Greear<greearb@xxxxxxxxxxxxxxx>
wrote:

Please do, you can use the log2n approach, should take you 7 tries,
each by a power of 2, start at the middle of course.

Sure...will be a few minutes.

If it's any sane bug, then hopefully I can hit it with a small
number.

Out of curiosity, is there any particular number of STAs> 1 you guys
test with?

We don't test this :)

Heh, I sort of supposed so :)

Anyway, I started with one, doubled each time,
and when I added the 4 to bring the system to
8 STA, it crapped itself.

I ran 64kbps UDP data streams on pairs of STA interfaces
for 5 minutes between STA increments. I didn't get a chance to
start any traffic for the 4 that I had just added.

Earlier, I wasn't running any traffic at all, but of course
there is still noise on the network.

Note I'm running 'iwconfig foo' and 'cat /proc/net/wireless' in
the background as well, and that may have something to do with
things.

I tried with the wmb() patch, and the problem still exists, so
it must be something else.

Thanks,
Ben

--
Ben Greear <greearb@xxxxxxxxxxxxxxx>
Candela Technologies Inc  http://www.candelatech.com

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