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From: Russell Senior <russell@personaltelco.net>
To: The list for a Better Approach To Mobile Ad-hoc Networking
	<b.a.t.m.a.n@lists.open-mesh.org>
Subject: Re: [B.A.T.M.A.N.] batman-adv: memory leak?
Date: Wed, 22 Jan 2014 09:45:42 -0800	[thread overview]
Message-ID: <86y527oqpl.fsf_-_@coulee.tdb.com> (raw)
In-Reply-To: <52DF7556.9090200@makrotopia.org> (daniel@makrotopia.org's message of "Wed\, 22 Jan 2014 08\:37\:58 +0100")

>>>>> "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

  reply	other threads:[~2014-01-22 17:45 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-21 10:22 [B.A.T.M.A.N.] [PATCH maint] batman-adv: fix soft-interface MTU computation Antonio Quartulli
2014-01-21 10:31 ` Antonio Quartulli
2014-01-27  7:57   ` Marek Lindner
2014-01-21 18:43 ` Russell Senior
2014-01-21 19:00   ` Antonio Quartulli
2014-01-22  6:04   ` Russell Senior
2014-01-22  7:03     ` Antonio Quartulli
2014-01-22  7:04     ` [B.A.T.M.A.N.] memleak (Was: [PATCH maint] batman-adv: fix soft-interface MTU computation) Antonio Quartulli
2014-01-22  7:37     ` [B.A.T.M.A.N.] [PATCH maint] batman-adv: fix soft-interface MTU computation Daniel
2014-01-22 17:45       ` Russell Senior [this message]
2014-01-22 17:46         ` [B.A.T.M.A.N.] batman-adv: memory leak? Antonio Quartulli
2014-01-22 19:18           ` Russell Senior
2014-01-22 20:49           ` cmsv
2014-01-22 23:57             ` Russell Senior
2014-01-23  0:10               ` cmsv
2014-01-23  3:35                 ` Daniel
2014-01-26 12:57                   ` Daniel
2014-01-26 14:21                     ` Antonio Quartulli
2014-01-26 14:24                       ` [B.A.T.M.A.N.] [PATCH maint] batman-adv: release vlan object after checking the CRC Antonio Quartulli
2014-01-27 18:43                         ` Russell Senior
2014-01-26 16:05                       ` [B.A.T.M.A.N.] batman-adv: memory leak? cmsv
2014-01-26 16:07                         ` Antonio Quartulli
2014-01-26 16:13                           ` Antonio Quartulli
2014-01-27 17:55                             ` cmsv
2014-01-28  1:21                               ` Russell Senior
2014-01-28  1:30                                 ` cmsv
2014-01-29  8:10                                   ` Russell Senior
2014-01-29 21:48                                     ` cmsv
2014-02-08  3:08                                       ` cmsv
2014-02-08 10:53                                         ` Felix Fietkau
2014-02-12  7:23                                         ` Antonio Quartulli
2014-02-12 10:40                                           ` cmsv
2014-02-12 11:41                                             ` Antonio Quartulli
2014-02-13  0:55                                               ` cmsv
2014-02-13  7:23                                                 ` Antonio Quartulli

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