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[Bug 1452603] Re: BUG: unable to handle kernel NULL pointer dereference at (null)

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Nick Demou <ndemou@xxxxxxxxxx>
Date: Mon, 04 Jan 2016 13:42:33 -0000
Reply-to: Bug 1452603 <1452603@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
The oops never appeared again
I've upgraded to 14.04 a few months ago so I'm closing this one

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

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Title:
  BUG: unable to handle kernel NULL pointer dereference at   (null)

Status in linux package in Ubuntu:
  Invalid

Bug description:
  This notebook works fine for about 2 years (now on Ubuntu 12.04.5
  LTS). A few hours ago I upgraded my kernel (apt-get dist-upgrade) to
  3.13.0-52-generic #86~precise1. Don't know if it's related but now I
  got the following Oops while opening Gimp. I'll keep this kernel for
  now to see if it happens again (already tried opening gimp on the same
  file without problems although I don't think it's related).

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.13.0-52-generic 3.13.0-52.86~precise1
  ProcVersionSignature: Ubuntu 3.13.0-52.86~precise1-generic 3.13.11-ckt18
  Uname: Linux 3.13.0-52-generic i686
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: i386
  Date: Thu May  7 10:56:04 2015
  InstallationMedia: This
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=el_GR.UTF-8
   SHELL=/bin/bash
  SourcePackage: linux-lts-trusty
  UpgradeStatus: No upgrade log present (probably fresh install)

  
  syslog.log:
      May  7 10:17:01 ndXPS13 CRON[27443]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
      May  7 10:24:06 ndXPS13 kernel: [15269.207423] BUG: unable to handle kernel NULL pointer dereference at   (null)
      May  7 10:24:06 ndXPS13 kernel: [15269.210528] IP: [<c114c620>] page_address+0x10/0xe0
      May  7 10:24:06 ndXPS13 kernel: [15269.212603] *pdpt = 0000000019771001 *pde = 0000000000000000 
      May  7 10:24:06 ndXPS13 kernel: [15269.214743] Oops: 0000 [#1] SMP 
      May  7 10:24:06 ndXPS13 kernel: [15269.218581] Modules linked in: ufs(X) qnx4(X) hfsplus(X) hfs(X) minix(X) ntfs(X) msdos(X) jfs(X) xfs(X) reiserfs(X) hid_generic hid_microsoft asix usbnet mii usbhid hid xt_REDIRECT xt_hl ctr ccm ip6table_filter ip6_tables ebtable_nat ebtables pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_state vboxdrv(OX) nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc snd_hda_codec_hdmi snd_hda_codec_realtek joydev btusb intel_rapl x86_pkg_temp_thermal uvcvideo intel_powerclamp dell_wmi kvm_intel videobuf2_core sparse_keymap videodev kvm snd_hda_intel videobuf2_vmalloc videobuf2_memops snd_hda_codec crc32_pclmul snd_hwdep aesni_intel ablk_helper cryptd dell_laptop dcdbas snd_pcm arc4 lrw aes_i586 snd_seq_midi xts iwldvm snd_rawmidi gf128mul mac80211 i915 snd_seq_midi_event psmouse serio_raw iwlwifi snd_seq drm_kms_helper cfg80211 drm snd_timer snd_
      May  7 10:24:06 ndXPS13 kernel: seq_device i2c_algo_bit wmi snd mei_me video pcspkr mei soundcore shpchp snd_page_alloc bnep lpc_ich rfcomm parport_pc bluetooth ppdev intel_smartconnect binfmt_misc mac_hid coretemp lp parport btrfs ahci libahci raid6_pq xor libcrc32c
      May  7 10:24:06 ndXPS13 kernel: [15269.262962] CPU: 1 PID: 4165 Comm: gnome-terminal Tainted: G        W  OX 3.13.0-52-generic #85~precise1-Ubuntu
      May  7 10:24:06 ndXPS13 kernel: [15269.268875] Hardware name: Dell Inc.          Dell System XPS L321X/      , BIOS A08 01/22/2013
      May  7 10:24:06 ndXPS13 kernel: [15269.274832] task: e5218000 ti: d959e000 task.ti: d959e000
      May  7 10:24:06 ndXPS13 kernel: [15269.280781] EIP: 0060:[<c114c620>] EFLAGS: 00210292 CPU: 1
      May  7 10:24:06 ndXPS13 kernel: [15269.286586] EIP is at page_address+0x10/0xe0
      May  7 10:24:06 ndXPS13 kernel: [15269.292551] EAX: 00000000 EBX: 000004c6 ECX: 00000000 EDX: 00000000
      May  7 10:24:06 ndXPS13 kernel: [15269.298417] ESI: 000004c6 EDI: 00000000 EBP: d959fb3c ESP: d959fb2c
      May  7 10:24:06 ndXPS13 kernel: [15269.304579]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
      May  7 10:24:06 ndXPS13 kernel: [15269.310414] CR0: 80050033 CR2: 00000000 CR3: 196ea000 CR4: 000407f0
      May  7 10:24:06 ndXPS13 kernel: [15269.316117] Stack:
      May  7 10:24:06 ndXPS13 kernel: [15269.321875]  d959fb48 000004c6 000004c6 dcc9fa44 d959fb60 f890be8b 00000000 000014c6
      May  7 10:24:06 ndXPS13 kernel: [15269.321890]  ffc4a896 00000000 f4091960 00000000 00000000 d959fc1c f88efa7e 00000d5c
      May  7 10:24:06 ndXPS13 kernel: [15269.321900]  00000000 00000000 00000000 00000000 00000040 00000050 00000040 f89053ce
      May  7 10:24:06 ndXPS13 kernel: [15269.321910] Call Trace:
      May  7 10:24:06 ndXPS13 kernel: [15269.321938]  [<f890be8b>] read_extent_buffer+0x8b/0x100 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.321999]  [<f88efa7e>] btrfs_get_extent+0xb4e/0xba0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322048]  [<f89053ce>] ? free_extent_state+0x4e/0xb0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322096]  [<f89053ce>] ? free_extent_state+0x4e/0xb0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322137]  [<f89053ce>] ? free_extent_state+0x4e/0xb0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322174]  [<f8904711>] __get_extent_map+0x141/0x150 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322207]  [<c1053879>] ? kmap_atomic_prot+0xe9/0x110
      May  7 10:24:06 ndXPS13 kernel: [15269.322221]  [<f8909071>] __do_readpage+0x291/0x7a0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322265]  [<f88eef30>] ? btrfs_submit_direct+0x1c0/0x1c0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322306]  [<f88eef30>] ? btrfs_submit_direct+0x1c0/0x1c0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322342]  [<f8906dc6>] ? lock_extent_bits+0x56/0xc0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322381]  [<f8903579>] ? btrfs_lookup_ordered_extent+0x69/0x100 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322419]  [<f890964b>] __extent_read_full_page+0xcb/0xe0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322459]  [<f88eef30>] ? btrfs_submit_direct+0x1c0/0x1c0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322496]  [<f890a56c>] extent_read_full_page+0x3c/0x60 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322534]  [<f88ec476>] btrfs_readpage+0x26/0x30 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322571]  [<f88fb0ec>] prepare_uptodate_page+0x2c/0x60 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322611]  [<f88fb46c>] prepare_pages.isra.17+0x34c/0x410 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322648]  [<f88d43c3>] ? btrfs_delalloc_reserve_metadata+0x263/0x5f0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322685]  [<f88fc2e8>] __btrfs_buffered_write+0x258/0x480 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322718]  [<c11c259e>] ? inotify_handle_event+0x9e/0x110
      May  7 10:24:06 ndXPS13 kernel: [15269.322726]  [<c11c2470>] ? event_compare+0xa0/0xa0
      May  7 10:24:06 ndXPS13 kernel: [15269.322733]  [<c119c270>] ? file_remove_suid+0x40/0xa0
      May  7 10:24:06 ndXPS13 kernel: [15269.322745]  [<f88fc700>] btrfs_file_aio_write+0x1f0/0x3a0 [btrfs]
      May  7 10:24:06 ndXPS13 kernel: [15269.322776]  [<c11bffb4>] ? fsnotify_put_event.part.0+0x44/0x80
      May  7 10:24:06 ndXPS13 kernel: [15269.322782]  [<c11bffb4>] ? fsnotify_put_event.part.0+0x44/0x80
      May  7 10:24:06 ndXPS13 kernel: [15269.322788]  [<c11bffb4>] ? fsnotify_put_event.part.0+0x44/0x80
      May  7 10:24:06 ndXPS13 kernel: [15269.322800]  [<c1185470>] do_sync_write+0x60/0xa0
      May  7 10:24:06 ndXPS13 kernel: [15269.322807]  [<c1185410>] ? do_sync_readv_writev+0x90/0x90
      May  7 10:24:06 ndXPS13 kernel: [15269.322813]  [<c1185bfd>] vfs_write+0x9d/0x1e0
      May  7 10:24:06 ndXPS13 kernel: [15269.322818]  [<c11860c7>] SyS_write+0x57/0xa0
      May  7 10:24:06 ndXPS13 kernel: [15269.322824]  [<c169974d>] sysenter_do_call+0x12/0x12
      May  7 10:24:06 ndXPS13 kernel: [15269.322832] Code: 5d f8 c1 e1 05 01 f1 8b 75 fc 89 ec 89 c8 5d c3 8d 74 26 00 8d bc 27 00 00 00 00 55 89 e5 57 56 53 83 ec 04 66 66 66 66 90 89 c7 <8b> 00 c1 e8 1e 69 c0 80 03 00 00 05 80 62 9e c1 2b 80 4c 03 00
      May  7 10:24:06 ndXPS13 kernel: [15269.322895] EIP: [<c114c620>] page_address+0x10/0xe0 SS:ESP 0068:d959fb2c
      May  7 10:24:06 ndXPS13 kernel: [15269.322905] CR2: 0000000000000000
      May  7 10:24:06 ndXPS13 kernel: [15269.343030] ---[ end trace 8ff93ba304d613e4 ]---
      May  7 10:26:25 ndXPS13 kernel: imklog 5.8.6, log source = /proc/kmsg started.
      May  7 10:26:25 ndXPS13 rsyslogd: [origin software="rsyslogd" swVersion="5.8.6" x-pid="1084" x-info="http://www.rsyslog.com";] start
      May  7 10:26:25 ndXPS13 rsyslogd: rsyslogd's groupid changed to 103

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References

[Bug 1452603] [NEW] BUG: unable to handle kernel NULL pointer dereference at (null)
From: Nick Demou, 2015-05-07