From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Sender: Gioacchino Mazzurco Message-ID: <500BDBCD.90101@eigenlab.org> Date: Sun, 22 Jul 2012 12:54:05 +0200 From: Gioacchino Mazzurco MIME-Version: 1.0 References: <500AFACD.7070207@eigenlab.org> <20120721214026.GC3610@ritirata.org> In-Reply-To: <20120721214026.GC3610@ritirata.org> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig1354F90C71ACA5FED43AB617" Subject: Re: [B.A.T.M.A.N.] batman majareta? I can batctl ping but not ping Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: The list for a Better Approach To Mobile Ad-hoc Networking This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig1354F90C71ACA5FED43AB617 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I'll compile batman-adv with debug support for next firmware update i hope it will not affect performance too much... On 07/21/12 23:40, Antonio Quartulli wrote: > Hello Gioacchino, >=20 > On Sat, Jul 21, 2012 at 08:54:05PM +0200, Gioacchino Mazzurco wrote: >> Same bug today in ninux pisa after a node was turned off the entire >> network became crazy for 2 hours, to solve i had to restart a lot of >> nodes... :| >> >=20 > Which version are you using? The lastest openwrt package version (so wi= th all > the new patches?) >=20 > Could you provide the log of the involved nodes whenever you get this p= roblems? > I wrote something about the desired logs to Guido, you could follow the= same > instruction. It would really be appreciated! >=20 > Thank you! >=20 >=20 > Cheers, >=20 >> On 07/02/12 15:30, Guido Iribarren wrote: >>> (which roughly translates as "batman gone nuts?") >>> Hey great devs! >>> we've been having a particular issue in deltalibre and quintanalibre >>> (local WCN) with batman-adv, but so far we haven't found a precise wa= y >>> to reproduce it. >>> The symptom is that (after some reboots or physical displacements?) >>> one batman-adv host becomes unreachable on layer3, although it is see= n >>> on originators table, and can be batctl ping'ed or batctl tracerout'e= d >>> with no problem whatsoever. >>> >>> Even more, it not unreachable from the whole network, but instead fro= m >>> just a few other nodes. So, let's say that the nearer nodes can layer= 3 >>> ping it , but some others farther away cannot (although i can't assur= e >>> it depends on the hop distance) >>> All of them can batctl ping it (layer2) >>> A hard reboot of all the nodes solves it, connectivity is restored in= >>> all directions. >>> >>> Thing is, I've just came across it again, and managed to do some test= s >>> to aid in description / debugging >>> As an aid in understanding network topology, >>> I'm attaching the wonderful output of "batctl vd dot |grep -v TT" for= >>> your viewing delight >>> >>> problem node is ana >>> it can be reached from ruth and hquilla (direct neighbours) >>> but arping behaves erratically from colmena or charly >>> and normal ping (v4 or v6) doesn't receive any reply at all when run >>> from colmena or charly >>> >>> I used arping, with and without -b , and seemed like i could narrow >>> the problem down to incoming broadcast packet handling, but further >>> tests just left me more puzzled! >>> >>> all nodes are tl-mr3220 running openwrt trunk r31316 with batman-adv >>> 2012.2.0 , driver ath9k >>> secondary interfaces named _wlan1 are all tl-wn722n which uses driver= ath9k_htc >>> nodes are around 100meters (+/-50mts) apart from each other >>> >>> this behaviour has been observed (but not reported) in dissimilar >>> setups, using ubnt bullet2 mixed with mr3220, running r29936 with >>> batman-adv 2011.4.0 , with nodes 1 or 2km apart from each other. >>> >>> Tests are the combined crude output of batctl td and arping, so to >>> make this email ease on the eye, i'm publishing them elsewhere: >>> http://pastebin.com/6PPwN3PS >>> >>> The live openwrt configuration can be analysed in detail at >>> https://bitbucket.org/guidoi/deltalibre-configs/src >>> (it's a free, open network after all! :D ) >>> in particular: >>> ana -> https://bitbucket.org/guidoi/deltalibre-configs/src/6de4ce970f= e2/mac/54_E6_FC_BE_26_12 >>> hquilla -> https://bitbucket.org/guidoi/deltalibre-configs/src/6de4ce= 970fe2/mac/54_E6_FC_BE_28_34 >>> colmena -> https://bitbucket.org/guidoi/deltalibre-configs/src/6de4ce= 970fe2/mac/54_E6_FC_BE_29_D2 >>> >>> Thanks a lot for the attention, >>> Hope that you are having fun, and that I'm not spoiling it :) >>> >>> Cheers! >>> >>> Gui >=20 --------------enig1354F90C71ACA5FED43AB617 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iEYEARECAAYFAlAL29EACgkQnwkeGL0UcCQpWACdE2Tn/1fzQWvPb5fn6zAcXsCB inYAniscPcziPhmf0E3Wil8MPIFNant1 =Vksl -----END PGP SIGNATURE----- --------------enig1354F90C71ACA5FED43AB617--