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- Mar 10 18:00:39 Kernel: Icmpv6_send: No Reply To Icmp Error List
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This is a duplicate from my post on TI e2e ( https://e2e.ti.com/support/wireless_connectivity/f/158/t/440989 )
I am noticing some strange behavior on the BBB when running 6lbr.
I have a WSN with 15 sensortags, being polled via coap every 10 minutes, by an adjacent raspberry pi.
The coap requests are for temp/humidity/pressure/lux, one at a time.
Every now and then, the BBB becomes unresponsive. SSHD no longer accepts connections, and I am forced to reboot.
I have been able to verify that it is not a memory leak. CPU usage is high but not pegged. IO looks reasonable.
I am using the BBB rev C from Element 14.
BeagleBoard.org Debian Image 2015-03-01
$ uname -a
Linux beaglebone 3.8.13-bone70 #1 SMP Fri Jan 23 02:15:42 UTC 2015 armv7l GNU/Linux
Contiki-6lbr-1.3.2-34-g3715b49 started with IPV6, RPL
I was able to catch this dump from the kernel before losing my SSH connection.
I am not sure how to interpret this data.
2015-06-24 13:59:03.588780: DEBUG: SCMD: Packet data report for sid:1 st:0 tx:1
2015-06-24 13:59:03.601485: DEBUG: SCMD: Packet data report for sid:2 st:1 tx:1
2015-06-24 13:59:03.610203: DEBUG: SCMD: Packet data report for sid:3 st:1 tx:1
2015-06-24 13:59:03.734984: DEBUG: SCMD: Packet data report for sid:4 st:1 tx:1
2015-06-24 13:59:03.860382: DEBUG: SCMD: Packet data report for sid:5 st:0 tx:1
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.827809] Internal error: Oops: 17 [#1] SMP THUMB2
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.902886] Process swapper/0 (pid: 0, stack limit = 0xc083c240)
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.909249] Stack: (0xc083de6c to 0xc083e000)
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.916755] de60: de0d8100 00000001 00000001 bf9f58bb 00000f73
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.926253] de80: 60000193 de0d8100 df16c2c0 08000400 00000020 e087a800 df177a10 00000000
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.935103] dea0: df0e9b40 c0347ae9 c083c000 60000193 c0048639 de0ac6c0 df005f10 de0ac6c0
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.944048] dec0: 00000013 c083df60 413fc082 00000000 00000000 c007422f 80000193 c0845890
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.952889] dee0: 00000000 df005ec0 df00c680 df005ec0 df005f10 de0ac6c0 00000013 c083df60
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.961825] df00: 413fc082 00000000 00000000 c00743a5 df005ec0 df005f10 00000013 c0075cf7
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.970668] df20: c0075ca5 00000013 00000000 c0073e5b c083a728 c000d0df fa200098 fa2000b8
Mar 10 18:00:39 Kernel: Icmpv6_send: No Reply To Icmp Error Password
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.979871] df40: fa2000d8 c00085a9 c000d264 60000033 ffffffff c083df94 c083c000 c04d145b
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.989195] df60: ffffffed 00516000 c0845cd8 00000000 c083c000 c08c3a48 c04d9ca0 c0849488
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16989.998434] df80: c083c000 413fc082 00000000 00000000 00000010 c083dfa8 c000d263 c000d264
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Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16990.111678] dfa0: 60000033 ffffffff c000d251 c000d3b7 c0845630 00000000 c0824a10 c0d4bac0
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
kernel:[16990.137130] dfc0: 00000000 c07fe58b ffffffff ffffffff c07fe20d 00000000 00000000 c0824a10
Message from syslogd@beaglebone at Jul 24 20:59:05 ..
Mar 10 18:00:39 Kernel: Icmpv6_send: No Reply To Icmp Error Code
kernel:[16990.168355] dfe0: 50c5387d c08444f0 c0824a0c c084947c 80004059 8000807f 00000000 00000000
Write failed: Broken pipe
My questions are -
1 - does anyone know how to interpret this dump?
2 - has anyone else had stability issues?
3 - are people using 6lbr in production reliably?
I tailed /var/log/syslog, and caught it in action this time.
I see a bunch of these
Jul 24 14:46:37 beaglebone kernel: [ 1114.393103] icmpv6_send: no reply to icmp error
Jul 24 14:46:37 beaglebone kernel: [ 1114.645839] icmpv6_send: no reply to icmp error
Jul 24 14:46:51 beaglebone kernel: [ 1128.790995] icmpv6_send: no reply to icmp error
Jul 24 14:46:55 beaglebone kernel: [ 1132.440308] icmpv6_send: no reply to icmp error
Mar 10 18:00:39 Kernel: Icmpv6_send: No Reply To Icmp Error List
followed by this -
Jul 24 14:47:53 beaglebone kernel: [ 1190.373438] musb_stage0_irq 790: unhandled DISCONNECT transition (a_idle)
Jul 24 14:47:53 beaglebone kernel: [ 1190.373535] Unable to handle kernel paging request at virtual address fffffff8
Jul 24 14:47:53 beaglebone kernel: [ 1190.381205] pgd = c0004000
Jul 24 14:47:53 beaglebone kernel: [ 1190.384086] [fffffff8] *pgd=9fefe821, *pte=00000000, *ppte=00000000
Jul 24 14:47:53 beaglebone kernel: [ 1190.390769] Internal error: Oops: 17 [#1] SMP THUMB2
Jul 24 14:47:53 beaglebone kernel: [ 1190.396032] Modules linked in: bluetooth rfkill g_multi libcomposite omap_rng mt7601Usta(O)
Jul 24 14:47:53 beaglebone kernel: [ 1190.404979] CPU: 0 Tainted: G O (3.8.13-bone70 #1)
Jul 24 14:47:53 beaglebone kernel: [ 1190.411368] PC is at musb_g_rx+0x44/0x78
Jul 24 14:47:53 beaglebone kernel: [ 1190.415540] LR is at musb_interrupt+0x65/0x64c
Jul 24 14:47:53 beaglebone kernel: [ 1190.420258] pc : [] lr : [] psr: 800001b3
Jul 24 14:47:53 beaglebone kernel: [ 1190.420258] sp : c083de6c ip : 00000000 fp : 00000000
Jul 24 14:47:53 beaglebone kernel: [ 1190.432411] r10: de0ac8c0 r9 : 00000000 r8 : 0000000b
Jul 24 14:47:53 beaglebone kernel: [ 1190.437951] r7 : 00000019 r6 : 00000001 r5 : 00000000 r4 : e087adb6
Jul 24 14:47:53 beaglebone kernel: [ 1190.444866] r3 : e087adb0 r2 : 00000000 r1 : ffffffcc r0 : de0b2100
Jul 24 14:47:53 beaglebone kernel: [ 1190.451784] Flags: Nzcv IRQs off FIQs on Mode SVC_32 ISA Thumb Segment kernel
Jul 24 14:47:53 beaglebone kernel: [ 1190.459800] Control: 50c5387d Table: 9e7cc019 DAC: 00000015
Jul 24 14:47:53 beaglebone kernel: [ 1190.465885] Process swapper/0 (pid: 0, stack limit = 0xc083c240)
Jul 24 14:47:53 beaglebone kernel: [ 1190.472244] Stack: (0xc083de6c to 0xc083e000)
Message from syslogd@beaglebone at Jul 24 14:47:53 ..
kernel:[ 1190.390769] Internal error: Oops: 17 [#1] SMP THUMB2
Message from syslogd@beaglebone at Jul 24 14:47:53 ..
kernel:[ 1190.465885] Process swapper/0 (pid: 0, stack limit = 0xc083c240)