B.A.T.M.A.N April 2014

b.a.t.m.a.n@lists.open-mesh.org

20 participants
33 discussions

[B.A.T.M.A.N.] batctl oops on batctl gateways call

by Fabrice Dossin

Dear all, Hello. I am not sure it has been notified so I post this issue here. It is my first post, so tell me if I do it bad... I have oops on "batctl gateways" call : Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.500226] Unable to handle kernel NULL pointer dereference at virtual address 00000022 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.508175] pgd = d4918000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.514355] [00000022] *pgd=138f9831, *pte=00000000, *ppte=00000000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.521733] Internal error: Oops: 17 [#5] PREEMPT ARM Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.527131] Modules linked in: tun ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_filter ip_tables x_tables ipv6 bcm2708_rng bcm2708_wdog batman_adv(O) rtc_ds1307 qmi_wwan option usb_wwan arc4 usbserial cdc_wdm rt2800usb rt2800lib rt2x00usb rt2x00lib mac80211 cfg80211 crc_ccitt sr_mod cdrom leds_gpio led_class rt5572sta(O) spi_bcm2708 i2c_bcm2708 btusb bluetooth rfkill Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.544610] CPU: 0 PID: 7261 Comm: batctl Tainted: G D O 3.10.30+ #1 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.550263] task: d49f3180 ti: d38d0000 task.ti: d38d0000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.556017] PC is at batadv_orig_router_get+0x50/0x9c [batman_adv] Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.561587] LR is at batadv_orig_router_get+0x10/0x9c [batman_adv] Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.566974] pc : [<bf35e218>] lr : [<bf35e1d8>] psr: 20000013 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.566974] sp : d38d1ea8 ip : 0000000a fp : dda60600 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.577350] r10: cccccccd r9 : ddab7000 r8 : dda60600 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.582439] r7 : 00000000 r6 : 00000000 r5 : d4826e00 r4 : 00000000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.587535] r3 : d4ac0000 r2 : 00000000 r1 : 00000000 r0 : 00000002 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.592468] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.597357] Control: 00c5387d Table: 14918008 DAC: 00000015 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.602319] Process batctl (pid: 7261, stack limit = 0xd38d01b0) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.607230] Stack: (0xd38d1ea8 to 0xd38d2000) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.611903] 1ea0: d49f3180 d49c2580 00000000 bf35a62c 000000ff bf368ed8 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.616816] 1ec0: bf368ee0 bf368eec dc89b000 dbe3cd08 ddab7000 dc83bba0 dbd10900 00000000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.621720] 1ee0: 00100073 00000000 d25a0aa0 00000000 00000000 00000001 d38d1f20 00000001 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.626477] 1f00: dda60600 c00f653c d1f20790 d38d1f80 00001000 b6f18000 dda60628 00000000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.631263] 1f20: 00000000 00000000 00001000 dc83bba0 00000001 d25a0aa0 b6f18000 d38d0000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.636092] 1f40: d38d1f80 00001000 d38d0000 00001000 bea8eb54 c00d7530 00000000 00000003 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.640834] 1f60: 00000000 00000000 00000000 d25a0aa0 b6f18000 00000000 00001000 c00d77c4 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.645450] 1f80: 00000000 00000000 ffffffff 00916008 fbad2488 00000000 00000003 c000dd68 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.650123] 1fa0: 00000000 c000dbc0 00916008 fbad2488 00000003 b6f18000 00001000 00000000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.654758] 1fc0: 00916008 fbad2488 00000000 00000003 00000000 00021450 b6f1f000 bea8eb54 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.659333] 1fe0: 00000000 bea8e8c8 b6d945f8 b6de52bc 60000010 00000003 00000000 00000000 Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.664121] [<bf35e218>] (batadv_orig_router_get+0x50/0x9c [batman_adv]) from [<bf35a62c>] (batadv_gw_client_seq_print_text+0xac/0x220 [batman_adv]) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.673531] [<bf35a62c>] (batadv_gw_client_seq_print_text+0xac/0x220 [batman_adv]) from [<c00f653c>] (seq_read+0x1d0/0x4cc) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.678287] [<c00f653c>] (seq_read+0x1d0/0x4cc) from [<c00d7530>] (vfs_read+0x98/0x17c) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.683071] [<c00d7530>] (vfs_read+0x98/0x17c) from [<c00d77c4>] (SyS_read+0x3c/0x70) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.687982] [<c00d77c4>] (SyS_read+0x3c/0x70) from [<c000dbc0>] (ret_fast_syscall+0x0/0x30) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.692822] Code: e8bd8038 e593000c e3500000 0afffff8 (e5902020) Apr 2 11:45:08 pv2-1dnci kernel: [ 7432.718781] ---[ end trace 1e5ba977f5516301 ]--- It is the 2014.1.0 version (batctl 2014.1.0 [batman-adv: 2014.1.0]) Regards, Fabrice

8 years, 12 months

[B.A.T.M.A.N.] Batman-adv 2014.1.0 and 2014.0.0 issues with 3.10 and 3.8 kernels

by Bruno Antunes

Hi, Are recent batman-acv versions unusable with 3.10 or 3.8 kernels? The reason i'm asking is that with 2104.1.0 with two connected sta after restarting the wifi (also the same if restarting all the network) it gives the following message: root@Laguna1:/etc/config# wifi [37620.920000] batman_adv: bat0: Interface deactivated: adhoc0 [37621.140000] batman_adv: bat0: Removing interface: adhoc0 [37621.250000] br-mesh: port 2(bat0) entered disabled state [37621.250000] device bat0 left promiscuous mode [37621.260000] br-mesh: port 2(bat0) entered disabled state [37631.340000] unregister_netdevice: waiting for adhoc0 to become free. Usage count = 1 [37641.390000] unregister_netdevice: waiting for adhoc0 to become free. Usage count = 1 [37651.410000] unregister_netdevice: waiting for adhoc0 to become free. Usage count = 1 … And only restarting is possible to get the device back to work. Going back to 2014.0.0 it's worst with the system being very unstable and continuously restarting. After following the instructions from cmsv <cmsv(a)wirelesspt.net> and replacing the feeds.conf with src-git routing https://github.com/libre-mesh/openwrt-routing-packages I was able to compile the 2013.4.0 release which is very stable. But I really would like the vlan support from recent releases. My systems are: Laguna board OpenWrt trunk r38938 batctl 2013.4.0 [batman-adv: 2013.4.0] Linux Laguna1 3.8.13 #6 SMP Thu Mar 27 16:10:18 WET 2014 armv6l GNU/Linux Router station OpenWrt trunk r38938 batctl 2013.4.0 [batman-adv: 2013.4.0] Linux RSPro2 3.10.18 #2 Thu Mar 27 18:24:29 WET 2014 mips GNU/Linux Thanks in advance, Bruno

8 years, 12 months

[B.A.T.M.A.N.] br-lan: received packet on bat0 with own address as source address

by Ilario Gelmetti

Hi all, I have two devices (Ubiquiti PicoStation M2 and Ubiquiti NanoStation M5) mounted on the same pole both running libre-mesh [1] firmware (batman-adv: 2014.1.0) and both attached to a Mikrotik RB250GS gigabit switch (latest 1.11 firmware, default configuration) which is attached to my pc [2]. When isolated (turning off the port of the other device via the switch interface), both Ubiquiti devices doesn't see any other device with batman neither have any client connected. Both the devices independently (also when are isolated) print the same error in dmesg: br-lan: received packet on bat0 with own address as source address This error is an indication that batman loop avoidance has some problems, right? Obviously loop avoidance is enabled. # batctl bl enabled Various interfaces are bridged, for example in PicoStation I have: # brctl show bridge name bridge id STP enabled interfaces br-lan 7fff.dc9fdb31c136 no eth0 bat0 wlan0_ap I noticed that I'm not the first to ask here about this message [3][4]. I attach to this email dmesg form both isolated devices, /etc/config/network, ip a, ifconfig, brctl and info from batctl. Thanks, Ilario [1] http://libre-mesh.org/projects/libre-mesh [2] https://github.com/ilario/configurazione-ilario-fisso [3] https://lists.open-mesh.org/pipermail/b.a.t.m.a.n/2012-February/006234.html [4] https://lists.open-mesh.org/pipermail/b.a.t.m.a.n/2013-October/010770.html

8 years, 12 months

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B.A.T.M.A.N April 2014