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[Bug 1595303] Re: Kernel Panic on AWS EC2 with Ubuntu 14.04 and Strongswan

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>
Date: Thu, 23 Jun 2016 13:25:52 -0000
Reply-to: Bug 1595303 <1595303@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Did this issue start happening after an update/upgrade?  Was there a
prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.7 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.7-rc4-yakkety/

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

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

** Tags added: kernel-da-key

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https://bugs.launchpad.net/bugs/1595303

Title:
  Kernel Panic on AWS EC2 with Ubuntu 14.04 and Strongswan

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Hello,

  we are running a little VPN-Server to share Data with customers. Since we installed the VPN-Tunnels
  the server started to panic every 24 hours with following trace.
  732.549376] Workqueue: crypto cryptd_queue_worker [cryptd]
  [110732.549376] task: ffff8800bf591800 ti: ffff8800bece6000 task.ti: ffff8800bece6000
  [110732.549376] RIP: 0010:[<ffffffff8132bb8d>]  [<ffffffff8132bb8d>] scatterwalk_map_and_copy+0x4d/0xc0
  [110732.549376] RSP: 0018:ffff8800bece7d50  EFLAGS: 00010202
  [110732.549376] RAX: ffff8800e68bd467 RBX: 000000000000087a RCX: 0000000000000010
  [110732.549376] RDX: 0000000000000050 RSI: ffff8800e68bd7c0 RDI: ffff8800e68bd460
  [110732.549376] RBP: ffff8800bece7d70 R08: 0000000000000001 R09: 0000000000000050
  [110732.549376] R10: 0000000000000050 R11: 0000000000000000 R12: 0000000000000000
  [110732.549376] R13: ffff8800e68bd690 R14: 0000000000000040 R15: ffffe8ffffc203f0
  [110732.549376] FS:  0000000000000000(0000) GS:ffff88010fc20000(0000) knlGS:0000000000000000
  [110732.549376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [110732.549376] CR2: 000000000000000c CR3: 0000000001c0e000 CR4: 00000000001406e0
  [110732.549376] Stack:
  [110732.549376]  ffff8800e68bd598 ffff8800e68bd7c0 ffffffff0000087a ffff8800e68bd408
  [110732.549376]  ffff8800bece7d90 ffffffffa00dd318 ffff8800e68bd530 0000000000000000
  [110732.549376]  ffff8800bece7da8 ffffffffa00ddc0b ffff8800e68bd690 ffff8800bece7de0
  [110732.549376] Call Trace:
  [110732.549376]  [<ffffffffa00dd318>] crypto_rfc4543_done+0x48/0x60 [gcm]
  [110732.549376]  [<ffffffffa00ddc0b>] gcm_decrypt_done+0x3b/0x40 [gcm]
  [110732.549376]  [<ffffffffa002641b>] cryptd_blkcipher_crypt+0x5b/0x70 [cryptd]
  [110732.549376]  [<ffffffffa002646c>] cryptd_blkcipher_encrypt+0x1c/0x20 [cryptd]
  [110732.549376]  [<ffffffffa0026b04>] cryptd_queue_worker+0x54/0x80 [cryptd]
  [110732.549376]  [<ffffffff81086028>] process_one_work+0x178/0x470
  [110732.549376]  [<ffffffff81086e41>] worker_thread+0x121/0x410
  [110732.549376]  [<ffffffff81086d20>] ? rescuer_thread+0x430/0x430
  [110732.549376]  [<ffffffff8108dc29>] kthread+0xc9/0xe0
  [110732.549376]  [<ffffffff8108db60>] ? kthread_create_on_node+0x1c0/0x1c0
  [110732.549376]  [<ffffffff8173a328>] ret_from_fork+0x58/0x90
  [110732.549376]  [<ffffffff8108db60>] ? kthread_create_on_node+0x1c0/0x1c0
  [110732.549376] Code: 4e 2c 45 85 c9 74 37 48 83 c6 20 45 89 d3 45 85 c9 48 89 75 e8 74 73 8b 5e 08 47 8d 14 19 44 39 d2 89 5d f0 72 30 f6 06 02 74 d3 <44> 8b 0c 25 0c 00 00 00 31 f6 eb d4 0f 1f 80 00 00 00 00 48 8b 
  [110732.549376] RIP  [<ffffffff8132bb8d>] scatterwalk_map_and_copy+0x4d/0xc0
  [110732.549376]  RSP <ffff8800bece7d50>
  [110732.549376] CR2: 000000000000000c
  [110732.549376] ---[ end trace 56d0731046cb2c7e ]---
  [110732.549376] Kernel panic - not syncing: Fatal exception in interrupt

  
  Kind Regards
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jun 22 20:37 seq
   crw-rw---- 1 root audio 116, 33 Jun 22 20:37 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 14.04
  Ec2AMI: ami-87564feb
  Ec2AMIManifest: (unknown)
  Ec2AvailabilityZone: eu-central-1b
  Ec2InstanceType: t2.medium
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
  MachineType: Xen HVM domU
  Package: linux (not installed)
  PciMultimedia:
   
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-87-generic root=UUID=e916c124-cf92-4adb-940f-cef6d3f03b71 ro console=tty1 console=ttyS0
  ProcVersionSignature: Ubuntu 3.13.0-87.133-generic 3.13.11-ckt39
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-87-generic N/A
   linux-backports-modules-3.13.0-87-generic  N/A
   linux-firmware                             N/A
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty ec2-images
  Uname: Linux 3.13.0-87-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 05/12/2016
  dmi.bios.vendor: Xen
  dmi.bios.version: 4.2.amazon
  dmi.chassis.type: 1
  dmi.chassis.vendor: Xen
  dmi.modalias: dmi:bvnXen:bvr4.2.amazon:bd05/12/2016:svnXen:pnHVMdomU:pvr4.2.amazon:cvnXen:ct1:cvr:
  dmi.product.name: HVM domU
  dmi.product.version: 4.2.amazon
  dmi.sys.vendor: Xen
  --- 
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Jun 22 20:37 seq
   crw-rw---- 1 root audio 116, 33 Jun 22 20:37 timer
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.14.1-0ubuntu3.21
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA: Error: [Errno 2] No such file or directory
  DistroRelease: Ubuntu 14.04
  Ec2AMI: ami-87564feb
  Ec2AMIManifest: (unknown)
  Ec2AvailabilityZone: eu-central-1b
  Ec2InstanceType: t2.medium
  Ec2Kernel: unavailable
  Ec2Ramdisk: unavailable
  IwConfig: Error: [Errno 2] No such file or directory
  Lsusb: Error: command ['lsusb'] failed with exit code 1: unable to initialize libusb: -99
  MachineType: Xen HVM domU
  Package: linux (not installed)
  PciMultimedia:
   
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-87-generic root=UUID=e916c124-cf92-4adb-940f-cef6d3f03b71 ro console=tty1 console=ttyS0
  ProcVersionSignature: Ubuntu 3.13.0-87.133-generic 3.13.11-ckt39
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-87-generic N/A
   linux-backports-modules-3.13.0-87-generic  N/A
   linux-firmware                             N/A
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  trusty ec2-images
  Uname: Linux 3.13.0-87-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
   
  _MarkForUpload: True
  dmi.bios.date: 05/12/2016
  dmi.bios.vendor: Xen
  dmi.bios.version: 4.2.amazon
  dmi.chassis.type: 1
  dmi.chassis.vendor: Xen
  dmi.modalias: dmi:bvnXen:bvr4.2.amazon:bd05/12/2016:svnXen:pnHVMdomU:pvr4.2.amazon:cvnXen:ct1:cvr:
  dmi.product.name: HVM domU
  dmi.product.version: 4.2.amazon
  dmi.sys.vendor: Xen

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References

[Bug 1595303] [NEW] Kernel Panic on AWS EC2 with Ubuntu 14.04 and Strongswan
From: actechag, 2016-06-22