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[Bug 1507653] Missing required logs.

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Brad Figg <brad.figg@xxxxxxxxxxxxx>
Date: Mon, 19 Oct 2015 15:30:04 -0000
Reply-to: Bug 1507653 <1507653@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1507653

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1507653

Title:
  Wily kernel crashed when running ifconfig eth0 up/done test

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  1, Wily kernel crashed with attached log on APM mustang(ARM64)

  2, how to reproduce
  2.1 start iperf first
  - run 'iperf -s' on mustang board
  - run 'iperf -c IP_OF_MUSTANG' on another machine, and make the client point to mustang

  2.2 run the following 'ifconfig eth0 up/down' test

  #!/bin/sh
  for i in $(seq 1 $1); do
          echo 'reboot test'$i
          sleep 5
          ifconfig eth0 down
          ifconfig eth0 up
  done

  
  3 the issue can be reproduced with upstream 4.3-rcX kernel too

  ========================================================================

  ubuntu@am2:~/git/vm-test$ sudo ./if-down-up 1000
  reboot test1
  reboot test2
  reboot test3
  reboot test4
  [  4] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60840
  [  5] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60841
  [  6] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60842
  [  7] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60843
  [  8] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60844
  [  9] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60845
  [ 10] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60846
  [ 11] local 10.228.66.98 port 5001 connected with 10.228.0.2 port 60847
  [  123.244188] Unable to handle kernel paging request at virtual address dadaeaeb46463b6b
  [  123.252083] pgd = ffffffc3e955e000
  [  123.255467] [dadaeaeb46463b6b] *pgd=0000000000000000, *pud=0000000000000000
  [  123.262429] Internal error: Oops: 96000004 [#1] PREEMPT SMP
  [  123.267973] Modules linked in:
  [  123.271023] CPU: 2 PID: 2286 Comm: iperf Not tainted 4.2.3+ #16
  [  123.276912] Hardware name: APM X-Gene Mustang board (DT)
  [  123.282196] task: ffffffc3e35a4c80 ti: ffffffc3e3634000 task.ti: ffffffc3e3634000
  [  123.289644] PC is at memcpy+0x20/0x180
  [  123.293374] LR is at skb_copy_ubufs+0x134/0x278
  [  123.297880] pc : [<ffffffc000367ce0>] lr : [<ffffffc00053c0d0>] pstate: 00000145
  [  123.305236] sp : ffffffc3e3637660
  [  123.308531] x29: ffffffc3e3637660 x28: ffffffc000872269 
  [  123.313837] x27: ffffffc000a6f240 x26: ffffffc3de920000 
  [  123.319142] x25: ffffffc3ecbbca70 x24: 6b6b6b6b6b6b6b6b 
  [  123.324446] x23: 000000000000006b x22: ffffffbecfb5bc40 
  [  123.329750] x21: 0000000000000000 x20: ffffffc3e3634000 
  [  123.335054] x19: 0000000000000000 x18: 00000000828d80b9 
  [  123.340358] x17: 0000000000000000 x16: 0000000000000014 
  [  123.345663] x15: 00000000000b7d80 x14: 0000000000000003 
  [  123.350966] x13: 00000000ffff8d7f x12: 00000000000b7d80 
  [  123.356270] x11: 000000008298f2ea x10: ffffffc3de940a30 
  [  123.361574] x9 : 0000000000000000 x8 : 0000000000000001 
  [  123.366876] x7 : ffffffc000880110 x6 : ffffffc3ed6f1000 
  [  123.372180] x5 : 000000006b6b6b6b x4 : 0000000000000005 
  [  123.377483] x3 : 6b6b6b6b6b6b6b6b x2 : 000000006b6b6b66 
  [  123.382788] x1 : dadaeaeb46463b6b x0 : ffffffc3ed6f1000 
  [  123.388093] 
  [  123.389575] Process iperf (pid: 2286, stack limit = 0xffffffc3e3634020)
  [  123.396155] Stack: (0xffffffc3e3637660 to 0xffffffc3e3638000)
  [  123.401871] 7660: e36376e0 ffffffc3 0053c254 ffffffc0 de920000 ffffffc3 00000020 00000000
  [  123.410006] 7680: de8fa300 ffffffc3 00000000 00000000 00000000 00000000 00000198 00000000
  [  123.418141] 76a0: 00003300 00000000 ec814000 ffffffc3 00000198 00000000 00000000 00000000
  [  123.426276] 76c0: 828d80b9 00000000 00000030 00000000 6b6b6b6b 6b6b6b6b f79a9900 00000020
  [  123.434411] 76e0: e3637700 ffffffc3 0053ffa8 ffffffc0 de920000 ffffffc3 de920000 ffffffc3
  [  123.442545] 7700: e3637740 ffffffc3 00540010 ffffffc0 de920000 ffffffc3 ed3f1518 ffffffc3
  [  123.450680] 7720: f79a9900 ffffffc0 ed9dc790 ffffffc3 ec817300 ffffffc3 80000145 00000000
  [  123.458815] 7740: e3637750 ffffffc3 0049bc88 ffffffc0 e36377c0 ffffffc3 0054fc24 ffffffc0
  [  123.466950] 7760: de920000 ffffffc3 00000042 00000000 f79a9180 ffffffc0 00000000 00000000
  [  123.475084] 7780: f79a9210 ffffffc0 ed3f0e00 ffffffc3 009ac0e8 ffffffc0 00000000 00000000
  [  123.483219] 77a0: de923cc0 ffffffc3 009ac0f8 ffffffc0 de920000 ffffffc3 ecbbc80e 00000043
  [  123.491353] 77c0: e3637860 ffffffc3 0056cb18 ffffffc0 e96f5b00 ffffffc3 ed3f0e00 ffffffc3
  [  123.499488] 77e0: de920000 ffffffc3 f79a9180 ffffffc0 e96f5bac ffffffc3 00000002 00000000
  [  123.507623] 7800: 00000000 00000000 00000000 00000000 de8fa370 ffffffc3 de8fa300 ffffffc3
  [  123.515757] 7820: 00000000 00000000 00681bd0 ffffffc0 008cb95f ffffffc0 009ac0f8 ffffffc0
  [  123.523892] 7840: 009ac0e8 ffffffc0 e36378ac ffffffc3 e96f5b00 ffffffc3 f79a9210 ffffffc0
  [  123.532026] 7860: e36378b0 ffffffc3 00550104 ffffffc0 de920000 ffffffc3 e96f5b00 ffffffc3
  [  123.540161] 7880: f79a9180 ffffffc0 ed3f0e00 ffffffc3 00000000 00000000 e96f5bac ffffffc3
  [  123.548296] 78a0: de920000 ffffffc3 00000000 00000010 e3637910 ffffffc3 00550320 ffffffc0
  [  123.556430] 78c0: de920000 ffffffc3 f6bf0000 ffffffc0 0000000e 00000000 00000000 00000000
  [  123.564565] 78e0: f6bf00c8 ffffffc0 00000020 00000000 0016fb16 00000000 005c3dd0 ffffffc0
  [  123.572699] 7900: de920000 ffffffc3 00000010 fffffff4 e3637920 ffffffc3 005c3f18 ffffffc0
  [  123.580834] 7920: e3637970 ffffffc3 005c5798 ffffffc0 de920000 ffffffc3 000005dc 00000000
  [  123.588969] 7940: de8fa300 ffffffc3 0099c3a0 ffffffc0 00000000 00000000 0057399c ffffffc0
  [  123.597103] 7960: 00000001 00000000 009accd0 0200e40a e36379b0 ffffffc3 005c61d8 ffffffc0
  [  123.605238] 7980: de920000 ffffffc3 de8fa300 ffffffc3 f79a9180 ffffffc0 0099c3a0 ffffffc0
  [  123.613372] 79a0: de920000 ffffffc3 009accd0 ffffffc0 e3637a20 ffffffc3 005c5914 ffffffc0
  [  123.621507] 79c0: de8fa300 ffffffc3 de920000 ffffffc3 de8fa5d0 ffffffc3 de9946c0 ffffffc3
  [  123.629642] 79e0: 0053e148 ffffffc0 00000004 80000000 e3637a02 ffffffc3 00000000 00000000
  [  123.637776] 7a00: f79a9180 ffffffc0 de8fa300 ffffffc3 009accd0 ffffffc0 005c55fc ffffffc0
  [  123.645911] 7a20: e3637a50 ffffffc3 005c5d88 ffffffc0 de8fa300 ffffffc3 de920000 ffffffc3
  [  123.654045] 7a40: e3637a50 ffffffc3 de920000 ffffffc3 e3637aa0 ffffffc3 005da8c0 ffffffc0
  [  123.662180] 7a60: de8fa300 ffffffc3 de920000 ffffffc3 ecbbc830 ffffffc3 de920028 ffffffc3
  [  123.670314] 7a80: 000b7d80 00000000 005da840 ffffffc0 de8fa300 ffffffc3 de920000 ffffffc3
  [  123.678449] 7aa0: e3637b30 ffffffc3 005dc0d8 ffffffc0 de8fa300 ffffffc3 009a6000 ffffffc0
  [  123.686584] 7ac0: 00000001 00000000 e39ce924 ffffffc3 e3801468 ffffffc3 828d756a 00000000
  [  123.694718] 7ae0: 00000000 00000000 00000000 00000000 de8fa370 ffffffc3 009a6000 ffffffc0
  [  123.702853] 7b00: 00000001 00000000 e39ce924 ffffffc3 00000002 00000000 00000000 00000000
  [  123.710987] 7b20: ffffbaf0 4403c2e8 00000000 00000000 e3637b60 ffffffc3 005d1584 ffffffc0
  [  123.719122] 7b40: de8fa300 ffffffc3 e3801440 ffffffc3 00000000 00000000 de920000 ffffffc3
  [  123.727257] 7b60: e3637b90 ffffffc3 005d7a10 ffffffc0 de8fa300 ffffffc3 e3801440 ffffffc3
  [  123.735391] 7b80: 00000001 00000000 00000000 00000000 e3637bf0 ffffffc3 005df0d8 ffffffc0
  [  123.743526] 7ba0: e3801440 ffffffc3 de8fa300 ffffffc3 de994b40 ffffffc3 00000000 00000000
  [  123.751660] 7bc0: 00a75290 ffffffc0 008cb0bc ffffffc0 00be38c0 ffffffc0 00000000 00000000
  [  123.759795] 7be0: e35a4c80 ffffffc3 005393a0 00ffffc0 e3637c40 ffffffc3 00539434 ffffffc0
  [  123.767930] 7c00: de8fa300 ffffffc3 e3801440 ffffffc3 de8fa350 ffffffc3 00000000 00000000
  [  123.776064] 7c20: 00a75290 ffffffc0 008cb0bc ffffffc0 00be38c0 ffffffc0 00000000 00000000
  [  123.784199] 7c40: e3637c90 ffffffc3 005cdf8c ffffffc0 000010f8 00000000 0001ef08 00000000
  [  123.792334] 7c60: 00000000 00000000 de8fa818 ffffffc3 e3637df8 ffffffc3 00000000 00000000
  [  123.800469] 7c80: e35a4c80 ffffffc3 0001ef08 00000000 e3637d40 ffffffc3 005f2f40 ffffffc0
  [  123.808603] 7ca0: de8fa300 ffffffc3 00000000 00000000 e3637df8 ffffffc3 00000000 00000000
  [  123.816738] 7cc0: 00000000 00000000 00000015 00000000 0000011a 00000000 000000cf 00000000
  [  123.824872] 7ce0: 0068d000 ffffffc0 e3634000 ffffffc3 00020000 00000000 000005a8 00000000
  [  123.833007] 7d00: 009b5940 ffffffc0 008d1a4e ffffffc0 e3637d30 ffffffc3 001cb134 00000001
  [  123.841142] 7d20: 008d19e2 ffffffc0 00000000 ffffffc0 de8fa300 ffffffc3 ffffffff 7fffffff
  [  123.849276] 7d40: e3637d90 ffffffc3 00533664 ffffffc0 00000000 00000000 e862cb00 ffffffc3
  [  123.857411] 7d60: 00000000 00000000 00000000 00000000 e3637d80 ffffffc3 00020000 00000000
  [  123.865545] 7d80: e3637da0 ffffffc3 00537088 00000000 e3637da0 ffffffc3 005370d8 ffffffc0
  [  123.873680] 7da0: b2a8f8f0 0000007f 00085470 ffffffc0 00000000 00000000 00020000 00000000
  [  123.881815] 7dc0: ffffffff ffffffff b4c9dd2c 0000007f 80000000 00000000 e3637ed0 ffffffc3
  [  123.889950] 7de0: fffffff7 00000001 9c0008f0 0000007f 00020000 00000000 00000000 00000000
  [  123.898085] 7e00: 00000000 ffffffc3 00000000 ffffffc0 000021f0 00000000 0001de10 00000000
  [  123.906219] 7e20: e3637de8 ffffffc3 00000001 00000000 00000000 00000000 00000000 00000000
  [  123.914354] 7e40: 00000001 00000000 00085eec ffffffc0 ffffffff ffffffff b4c9dd2c 0000007f
  [  123.922488] 7e60: 80000000 00000000 00088f24 ffffffc0 e3637e90 ffffffc3 00085eec ffffffc0
  [  123.930623] 7e80: e35a54b0 ffffffc3 e35a54b0 ffffffc3 e3637eb0 ffffffc3 00088f28 ffffffc0
  [  123.938758] 7ea0: 00000008 00000000 00020000 00000000 b2a8f8f0 0000007f 00085368 ffffffc0
  [  123.946892] 7ec0: 00000000 00000000 e96d7600 ffffffc3 00000006 00000000 9c0008f0 0000007f
  [  123.955027] 7ee0: 00020000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
  [  123.963161] 7f00: ffffffbb 00000000 00000000 00000000 000000cf 00000000 00000000 00000000
  [  123.971296] 7f20: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
  [  123.979430] 7f40: 00000000 00000000 b4c8a590 0000007f 0041e138 00000000 b4c9dc80 0000007f
  [  123.987565] 7f60: b4a9f660 0000007f 00000006 00000000 00020000 00000000 9c0008f0 0000007f
  [  123.995700] 7f80: 00000000 00000000 9c020910 0000007f 9c0008f0 0000007f b2a8fae0 0000007f
  [  124.003834] 7fa0: b4aa08c0 0000007f 00800000 00000000 b4cb8000 0000007f b2a8f8f0 0000007f
  [  124.011969] 7fc0: b4c9dd04 0000007f b2a8f8f0 0000007f b4c9dd2c 0000007f 80000000 00000000
  [  124.020103] 7fe0: 00000006 00000000 000000cf 00000000 5a5a5a5a 5a5a5a5a 5a5a5a5a 5a5a5a5a
  [  124.028237] Call trace:
  [  124.030670] [<ffffffc000367ce0>] memcpy+0x20/0x180
  [  124.035436] [<ffffffc00053c250>] skb_clone+0x3c/0xa8
  [  124.040374] [<ffffffc00053ffa4>] __skb_tstamp_tx+0xc0/0x118
  [  124.045918] [<ffffffc00054000c>] skb_tstamp_tx+0x10/0x1c
  [  124.051203] [<ffffffc00049bc84>] xgene_enet_start_xmit+0x2e4/0x33c
  [  124.057352] [<ffffffc00054fc20>] dev_hard_start_xmit+0x2e8/0x400
  [  124.063327] [<ffffffc00056cb14>] sch_direct_xmit+0x90/0x1d4
  [  124.068870] [<ffffffc000550100>] __dev_queue_xmit+0x28c/0x498
  [  124.074585] [<ffffffc00055031c>] dev_queue_xmit_sk+0x10/0x1c
  [  124.080216] [<ffffffc0005c3f14>] ip_finish_output2+0x3d0/0x438
  [  124.086017] [<ffffffc0005c5794>] ip_finish_output+0x198/0x1ac
  [  124.091732] [<ffffffc0005c61d4>] ip_output+0xec/0x164
  [  124.096755] [<ffffffc0005c5910>] ip_local_out_sk+0x38/0x48
  [  124.102211] [<ffffffc0005c5d84>] ip_queue_xmit+0x288/0x330
  [  124.107668] [<ffffffc0005da8bc>] tcp_transmit_skb+0x908/0x964
  [  124.113383] [<ffffffc0005dc0d4>] tcp_send_ack+0x128/0x138
  [  124.118753] [<ffffffc0005d1580>] __tcp_ack_snd_check+0x5c/0x94
  [  124.124555] [<ffffffc0005d7a0c>] tcp_rcv_established+0x554/0x68c
  [  124.130530] [<ffffffc0005df0d4>] tcp_v4_do_rcv+0xa4/0x37c
  [  124.135900] [<ffffffc000539430>] release_sock+0xb4/0x150
  [  124.141184] [<ffffffc0005cdf88>] tcp_recvmsg+0x448/0x9e0
  [  124.146468] [<ffffffc0005f2f3c>] inet_recvmsg+0xa0/0xc0
  [  124.151666] [<ffffffc000533660>] sock_recvmsg+0x10/0x1c
  [  124.156863] [<ffffffc0005370d4>] SyS_recvfrom+0xa4/0xf8
  [  124.162061] Code: f2400c84 540001c0 cb040042 36000064 (38401423) 
  [  124.168133] ---[ end trace 7ab2550372e8a65b ]---

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References

[Bug 1507653] [NEW] Wily kernel crashed when running ifconfig eth0 up/done test
From: Ming Lei, 2015-10-19