Re: [B.A.T.M.A.N.] batman-adv: memory leak?

Russell Senior
2014-01-22T17:45:42Z

>>>>> "Daniel" == Daniel <daniel@makrotopia.org> writes:

Daniel> On 01/22/2014 07:04 AM, Russell Senior wrote:
>> Has anybody else seen this memory leak? Leads on where it's coming
>> from? Not a runaway process, at least not that top shows up. Just
>> a gradual disappearance from MemFree that /proc/sys/vm/drop_caches
>> doesn't fix. It isn't adhoc mode, and I can associate the two
>> devices over adhoc and move a bunch of data with no memory lost,
>> but turning on batman-adv seems to sink it.

Daniel> Yes, and I tested (compile-time selected) with and without
Daniel> network coding, and (at run-time) with and without
Daniel> fragmentation (as I also bumped into the MTU calculation
Daniel> problem later fixed by the patch on this list) -- any 32MB RAM
Daniel> devices reboots after roughly 30 minutes due to OOM without
Daniel> substantial traffic, if there is traffic then apparently even
Daniel> faster...

The memory leak I see seems to commence as soon as a batman-adv
neighbor (same version, in this case 15) appears and stops when the
neighbor goes away.

I am going to try enabling kmemleak and see of that tells me anything.

--
Russell Senior, President
russell@personaltelco.net