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irq 117 on ubiquiti edge router lite

To: linux-mips@linux-mips.org
Subject: irq 117 on ubiquiti edge router lite
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 2 Sep 2013 17:12:49 +0200
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This in dmesg:

[23445.403750] eth1: Link down
[23458.403670] eth1: 1000 Mbps Full duplex, port  1, queue  1
[23458.783708] Port 1 receive error code 13, packet dropped
[26480.721940] eth1: Link down
[26531.771659] eth1: 1000 Mbps Full duplex, port  1, queue  1
[26579.791046] eth1: Link down
[26588.800965] eth1: 1000 Mbps Full duplex, port  1, queue  1
[26819.609340] eth1: Link down
[31274.667444] eth1: 1000 Mbps Full duplex, port  1, queue  1
[31322.667065] eth1: Link down
[31330.667067] eth1: 1000 Mbps Full duplex, port  1, queue  1
[32164.811581] eth1: Link down
[57045.491647] eth1: 1000 Mbps Full duplex, port  1, queue  1
[57093.491287] eth1: Link down
[57101.491285] eth1: 1000 Mbps Full duplex, port  1, queue  1
[66948.037898] eth0: Link down
[66950.037930] eth0: 1000 Mbps Full duplex, port  0, queue  0
[80961.645249] eth1: Link down
[80964.645273] eth1: 1000 Mbps Full duplex, port  1, queue  1
[81012.644926] eth1: Link down
[81020.644939] eth1: 1000 Mbps Full duplex, port  1, queue  1
[81952.639152] eth1: Link down
[81955.638949] eth1: 1000 Mbps Full duplex, port  1, queue  1
[81967.638844] eth1: Link down
[81968.638918] eth1: 1000 Mbps Full duplex, port  1, queue  1
[82002.638594] eth1: Link down
[82011.638596] eth1: 1000 Mbps Full duplex, port  1, queue  1
[83814.236186] eth0: Link down
[83816.236256] eth0: 1000 Mbps Full duplex, port  0, queue  0
[83817.191824] irq 117: nobody cared (try booting with the "irqpoll" option)
[83817.191846] CPU: 0 PID: 30079 Comm: syslog-ng Not tainted 3.11.0-rc7 #1
[83817.191852] Stack : 0000000000000000 0000000000000000
0000000000000000 0000000000000000
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 800000041bc7b9b0 0000000000000000 ffffffff8111f9bc
          0000000000000000 0000000000000000 0000000000000000 0000000000000000
          0000000000000000 ffffffff8111f9bc 0000000000000000 0000000000000000
          ...
[83817.191979] Call Trace:[<ffffffff8111f9bc>] 0xffffffff8111f9bc
[83817.191993] [<ffffffff8111f9bc>] 0xffffffff8111f9bc
[83817.191999] [<ffffffff817b76c0>] 0xffffffff817b76c0
[83817.192005] [<ffffffff811ab494>] 0xffffffff811ab494
[83817.192011] [<ffffffff811abaac>] 0xffffffff811abaac
[83817.192017] [<ffffffff811a8df4>] 0xffffffff811a8df4
[83817.192023] [<ffffffff811a8f88>] 0xffffffff811a8f88
[83817.192029] [<ffffffff811ac500>] 0xffffffff811ac500
[83817.192035] [<ffffffff811a8514>] 0xffffffff811a8514
[83817.192040] [<ffffffff8111d588>] 0xffffffff8111d588
[83817.192046] [<ffffffff8110470c>] 0xffffffff8110470c
[83817.192052] [<ffffffff8111b82c>] 0xffffffff8111b82c
[83817.192059] [<ffffffff81222f98>] 0xffffffff81222f98
[83817.192065] [<ffffffff8117dd30>] 0xffffffff8117dd30
[83817.192071] [<ffffffff81222da0>] 0xffffffff81222da0
[83817.192077] [<ffffffff811755a0>] 0xffffffff811755a0
[83817.192082] [<ffffffff81222db4>] 0xffffffff81222db4
[83817.192089] [<ffffffff81222fec>] 0xffffffff81222fec
[83817.192094] [<ffffffff81120588>] 0xffffffff81120588
[83817.192100] [<ffffffff81128204>] 0xffffffff81128204

[83817.192109] handlers:
[83817.192115] [<ffffffff815a88d8>] 0xffffffff815a88d8
[83817.192120] Disabling IRQ #117
[83817.193987] Port 0 receive error code 13, packet dropped
[94879.162304] eth0: Link down
[94881.162294] eth0: 1000 Mbps Full duplex, port  0, queue  0
[99150.294267] eth1: Link down
[99157.294237] eth1: 1000 Mbps Full duplex, port  1, queue  1
[99205.293905] eth1: Link down
[99214.293847] eth1: 1000 Mbps Full duplex, port  1, queue  1
[113454.590455] eth0: Link down
[113457.590427] eth0: 1000 Mbps Full duplex, port  0, queue  0
[115977.672677] eth1: Link down
[150787.491677] eth1: 1000 Mbps Full duplex, port  1, queue  1
[150835.491359] eth1: Link down
[150843.491285] eth1: 1000 Mbps Full duplex, port  1, queue  1
[168703.246601] eth0: Link down
[168707.246587] eth0: 1000 Mbps Full duplex, port  0, queue  0
[184439.144289] eth0: Link down
[184441.144268] eth0: 1000 Mbps Full duplex, port  0, queue  0
[217255.030944] eth1: Link down
[228842.841401] eth0: Link down
[228845.841372] eth0: 1000 Mbps Full duplex, port  0, queue  0
[252201.801043] eth1: 1000 Mbps Full duplex, port  1, queue  1
[252249.800711] eth1: Link down
[252258.800656] eth1: 1000 Mbps Full duplex, port  1, queue  1
[252258.980955] Port 1 receive error code 13, packet dropped
[252795.707110] eth0: Link down
[252799.707021] eth0: 1000 Mbps Full duplex, port  0, queue  0
[253201.704256] eth0: Link down
[253203.704327] eth0: 1000 Mbps Full duplex, port  0, queue  0
[255807.686358] eth0: Link down
[255809.686399] eth0: 1000 Mbps Full duplex, port  0, queue  0
[290130.527772] eth1: Link down
[299955.388776] eth0: Link down
[299958.388747] eth0: 1000 Mbps Full duplex, port  0, queue  0
[319732.369558] eth1: 1000 Mbps Full duplex, port  1, queue  1
[319780.369196] eth1: Link down
[319789.369144] eth1: 1000 Mbps Full duplex, port  1, queue  1
[330728.215335] eth0: Link down
[330731.215319] eth0: 1000 Mbps Full duplex, port  0, queue  0
[345111.118886] eth0: Link down
[345114.118903] eth0: 1000 Mbps Full duplex, port  0, queue  0
[345114.124123] Port 0 receive error code 13, packet dropped


martino zx2c4 # uname -a
Linux martino 3.11.0-rc7 #1 SMP Tue Aug 27 15:08:21 CEST 2013 mips64
Cavium Octeon+ V0.1 UBNT_E100 (CN5020p1.1-500-SCP) GNU/Linux
martino zx2c4 # cat /proc/cpuinfo
system type             : UBNT_E100 (CN5020p1.1-500-SCP)
machine                 : Unknown
processor               : 0
cpu model               : Cavium Octeon+ V0.1
BogoMIPS                : 1000.00
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 64
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 2, address/irw mask: [0x0ffc, 0x0ffb]
isa                     : mips1 mips2 mips3 mips4 mips5 mips64r2
ASEs implemented        :
shadow register sets    : 1
kscratch registers      : 0
core                    : 0
VCED exceptions         : not available
VCEI exceptions         : not available

processor               : 1
cpu model               : Cavium Octeon+ V0.1
BogoMIPS                : 1000.00
wait instruction        : yes
microsecond timers      : yes
tlb_entries             : 64
extra interrupt vector  : yes
hardware watchpoint     : yes, count: 2, address/irw mask: [0x0ffc, 0x0ffb]
isa                     : mips1 mips2 mips3 mips4 mips5 mips64r2
ASEs implemented        :
shadow register sets    : 1
kscratch registers      : 0
core                    : 1
VCED exceptions         : not available
VCEI exceptions         : not available

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