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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1085783

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/1085783

Title:
  Kernel Panic

Status in Linux Kernel Bugs:
  New
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I've reproduced this bug on two systems (same make/model)

  I can reproduce this kernel panic by doing the following (from a fresh
  kubuntu install)

  1.) Home directories are NFS-mounted (SSO with kerberos & LDAP)

  $ apt-get build-dep zeroc-ice
  $ apt-get source zeroc-ice
  $ cd zeroc-ice-3.4.2
  $ dpkg-buildpackage

  very shortly after running dpkg-buildpackage (somewhere between the
  patches being applied to the source and compilation begins (I'm not
  seeing the typical output of ./configure) the system crashes with a
  kernel panic.

  I hooked up a serial cable & dumped the console to it, so I could
  catch the crash, and the output is below.

  Additional:  I installed http://kernel.ubuntu.com/~kernel-
  ppa/mainline/v3.6.3-quantal/linux-
  image-3.6.3-030603-generic_3.6.3-030603.201210211349_amd64.deb (and
  its headers). The 3.6.3 kernel runs without issues, and I've been
  unable to reproduce the crash. So it seems likely that the problem is
  with the 3.5.0-19-generic kernel package.

  [  231.156055] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
  [  231.160048] VFS: Close: file count is 0
  [  231.160398] BUG: unable to handle kernel paging request at ffffe8ffffc802a8
  [  231.160398] IP: [<ffffe8ffffc802a8>] 0xffffe8ffffc802a7
  [  231.160398] PGD 13555f067 PUD 136077067 PMD 1354f4067 PTE 8000000134268163
  [  231.160398] Oops: 0011 [#1] SMP 
  [  231.160398] CPU 1 
  [  231.160398] Modules linked in:[  231.160398]  ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables bridge stp llc autofs4 parport_pc ppdev rfcomm bnep bluetooth nfsd binfmt_misc nfs lockd fscache auth_rpcgss nfs_acl sunrpc coretemp kvm_intel kvm snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd mac_hid lpc_ich psmouse serio_raw microcode soundcore lp snd_page_alloc parport hid_generic usbhid hid vesafb sky2

  [  231.160398] Pid: 10, comm: ksoftirqd/1 Not tainted 3.5.0-19-generic #30-Ubuntu LENOVO 7307A1U/To be filled by O.E.M.
  [  231.160398] RIP: 0010:[<ffffe8ffffc802a8>]  [<ffffe8ffffc802a8>] 0xffffe8ffffc802a7
  [  231.160398] RSP: 0018:ffff880139b73d88  EFLAGS: 00010296
  [  231.160398] RAX: ffff880136247701 RBX: ffff88013fc8ed40 RCX: 000000000000c0ed
  [  231.160398] RDX: ffff880136118800 RSI: ffffe8ffffc802a8 RDI: ffff880136118800
  [  231.160398] RBP: ffff880139b73df0 R08: 0000000000016710 R09: ffff88013fc96710
  [  231.160398] R10: ffffffff8107cf97 R11: ffffffff8113d8b1 R12: 000000000000000a
  [  231.160398] R13: 0000000000000000 R14: 0000000000000001 R15: ffffe8ffffc802a8
  [  231.160398] FS:  0000000000000000(0000) GS:ffff88013fc80000(0000) knlGS:0000000000000000
  [  231.160398] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
  [  231.160398] CR2: ffffe8ffffc802a8 CR3: 0000000136275000 CR4: 00000000000407e0
  [  231.160398] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
  [  231.160398] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
  [  231.160398] Process ksoftirqd/1 (pid: 10, threadinfo ffff880139b72000, task ffff880139b6ae00)
  [  231.160398] Stack:
  [  231.160398]  ffffffff810e7682 ffff88013fc939c0 ffff880134313dd8 ffff88013fc8ed70
  [  231.160398]  ffffffff81c385c0 ffff880139b6ae00 ffff880139b73fd8 ffff880139b73df0
  [  231.160398]  0000000000000001 ffffffff81c040c8 0000000000000009 0000000000000009
  [  231.160398] Call Trace:
  [  231.160398]  [<ffffffff810e7682>] ? __rcu_process_callbacks+0x1a2/0x440
  [  231.160398]  [<ffffffff810e794f>] rcu_process_callbacks+0x2f/0xc0
  [  231.160398]  [<ffffffff8105a796>] __do_softirq+0xb6/0x1d0
  [  231.160398]  [<ffffffff8105a987>] run_ksoftirqd+0xd7/0x190
  [  231.160398]  [<ffffffff8105a8b0>] ? __do_softirq+0x1d0/0x1d0
  [  231.160398]  [<ffffffff81075f03>] kthread+0x93/0xa0
  [  231.160398]  [<ffffffff8168c624>] kernel_thread_helper+0x4/0x10
  [  231.160398]  [<ffffffff81075e70>] ? kthread_freezable_should_stop+0x70/0x70
  [  231.160398]  [<ffffffff8168c620>] ? gs_change+0x13/0x13
  [  231.160398] Code: 00 00 00 80 02 c8 ff ff e8 ff ff 80 02 c8 ff ff e8 ff ff 00 00 00 00 0e 00 00 00 0e 00 00 00 00 00 00 00 00 00 00 00 00 40 00 80 <00> 88 11 36 01 88 ff ff 00 88 11 36 01 88 ff ff 00 00 40 00 00 
  [  231.160398] RIP  [<ffffe8ffffc802a8>] 0xffffe8ffffc802a7
  [  231.160398]  RSP <ffff880139b73d88>
  [  231.160398] CR2: ffffe8ffffc802a8
  [  231.160398] ---[ end trace 8d2c795c79c46654 ]---
  [  231.160398] Kernel panic - not syncing: Fatal exception in interrupt

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: xorg 1:7.7+1ubuntu4
  Uname: Linux 3.6.3-030603-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  Date: Sun Dec  2 20:44:11 2012
  InstallationDate: Installed on 2012-11-28 (4 days ago)
  InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
  MarkForUpload: True
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)

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