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Re: [lwip-users] TCP causing out of mem pool [RAW]


From: Chris_S
Subject: Re: [lwip-users] TCP causing out of mem pool [RAW]
Date: Tue, 28 Jul 2009 10:12:55 -0700

> lwIP goes through all 31 PCBs, but should then recycle them from
> TIME_WAIT either when the timer expires or it needs one and there aren't
> any free.

I get it, yes I think it is working. I get a bunch of msgs about out of mem,
but TCP keeps working now.

I set GCC for -O0 so I could get a decent call stack,
and I think I found the source of the flaky behavior.
It appears was due to a task performance trace I had running.
Appears not entirely critical section safe yet.
I just shut that section off for now, and no more crashes so far.

I refreshed a bunch of times with IE and FF, not one miss yet.
Acts a lot more stable now.  I'll leave it running all day.

Thanks,  Chris.





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