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[Federico Fissore <1503786@xxxxxxxxxxxxxxxxxx>]

Happens with my 3.16.0-51-generic kernel, since the moment I updated
from 3.16.0.50.41 to 3.16.0.51.42, this morning

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https://bugs.launchpad.net/bugs/1503786

Title:
  BUG: unable to handle kernel paging request at ffffebe000000000

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Similar to LP: #1503568 and LP: #1503754, but on Vivid.

  After rebooting on the freshly installed 3.19.0-31-generic kernel, I'm
  able to login on lightdm and see the desktop, but I have no network
  and I'm not able to poweroff/reboot/logout via the UI or via the
  terminal (the command just hangs).

  In the dmesg I have the following oops:

  [   15.017583] BUG: unable to handle kernel paging request at ffffebe000000000
  [   15.017588] IP: [<ffffffff811d5f59>] kmem_cache_free+0x69/0x200
  [   15.017595] PGD 0
  [   15.017597] Oops: 0000 [#1] SMP
  [   15.017599] Modules linked in: vboxnetflt(OE) vboxdrv(OE) xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 bridge stp llc binfmt_misc cfg80211 fglrx(POE) intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel mxm_wmi kvm joydev snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic crct10dif_pclmul snd_hda_intel crc32_pclmul snd_hda_controller ghash_clmulni_intel snd_hda_codec snd_seq_midi dm_multipath aesni_intel snd_seq_midi_event snd_hwdep scsi_dh snd_rawmidi aes_x86_64 lrw snd_pcm gf128mul snd_seq glue_helper amd_iommu_v2 ablk_helper snd_seq_device cryptd snd_timer snd ie31200_edac 8250_fintek mei_me soundcore shpchp mei lpc_ich edac_core serio_raw tpm_infineon video mac_hid wmi intel_smartconnect ip6t_REJECT nf_reject_ipv6
  [   15.017624]  nf_log_ipv6 xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 nf_log_ipv4 nf_log_common xt_LOG xt_limit xt_tcpudp xt_addrtype nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack ip6table_filter ip6_tables nf_conntrack_netbios_ns nf_conntrack_broadcast nf_nat_ftp nf_nat nf_conntrack_ftp parport_pc nf_conntrack ppdev iptable_filter ip_tables x_tables lp parport autofs4 hid_generic usbhid hid ahci psmouse r8169 libahci mii
  [   15.017638] CPU: 3 PID: 1794 Comm: pulseaudio Tainted: P           OE  3.19.0-31-generic #35-Ubuntu
  [   15.017639] Hardware name: MSI MS-7752/Z77A-G45 (MS-7752), BIOS V2.12 09/29/2013
  [   15.017640] task: ffff8800364cc4b0 ti: ffff8803e412c000 task.ti: ffff8803e412c000
  [   15.017641] RIP: 0010:[<ffffffff811d5f59>]  [<ffffffff811d5f59>] kmem_cache_free+0x69/0x200
  [   15.017643] RSP: 0018:ffff8803e412fdd8  EFLAGS: 00010286
  [   15.017644] RAX: 000001e000000000 RBX: 0000000000000000 RCX: 00007f73e4e4b000
  [   15.017645] RDX: 000077ff80000000 RSI: 0000000000000000 RDI: ffff88040e08c400
  [   15.017646] RBP: ffff8803e412fdf8 R08: 0000000000000000 R09: ffffffff8123b4f2
  [   15.017646] R10: ffff8803e3bdfc21 R11: ffffebe000000000 R12: ffff88040e08c400
  [   15.017647] R13: ffff8800d8f630a8 R14: 0000000000000000 R15: ffff8800d8f63e58
  [   15.017648] FS:  00007ff4056ea780(0000) GS:ffff88041ecc0000(0000) knlGS:0000000000000000
  [   15.017649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  [   15.017650] CR2: ffffebe000000000 CR3: 000000040839e000 CR4: 00000000001407e0
  [   15.017650] Stack:
  [   15.017651]  0000000000000000 0000000000000000 ffff8800d8f63068 ffff8800d8f630a8
  [   15.017653]  ffff8803e412fe28 ffffffff8123b4f2 0000000000000008 ffff8800d8f63068
  [   15.017654]  0000000000000000 00000007f98b8022 ffff8803e412fe58 ffffffff8123b534
  [   15.017655] Call Trace:
  [   15.017659]  [<ffffffff8123b4f2>] ep_unregister_pollwait.isra.7+0x72/0x90
  [   15.017661]  [<ffffffff8123b534>] ep_remove+0x24/0xd0
  [   15.017662]  [<ffffffff8123c2bf>] eventpoll_release_file+0x5f/0xa0
  [   15.017666]  [<ffffffff811f6c58>] __fput+0x1d8/0x250
  [   15.017668]  [<ffffffff811f6d1e>] ____fput+0xe/0x10
  [   15.017670]  [<ffffffff81093f07>] task_work_run+0xb7/0xf0
  [   15.017674]  [<ffffffff81014fe7>] do_notify_resume+0x97/0xb0
  [   15.017676]  [<ffffffff817cc1ef>] int_signal+0x12/0x17
  [   15.017677] Code: ff 77 00 00 49 bb 00 00 00 00 00 ea ff ff 48 01 d8 48 0f 42 15 c9 40 a4 00 4c 8b 4d 08 48 01 d0 48 c1 e8 0c 48 c1 e0 06 49 01 c3 <49> 8b 03 f6 c4 80 0f 85 53 01 00 00 4c 8b 17 65 4c 03 15 f8 41
  [   15.017696] RIP  [<ffffffff811d5f59>] kmem_cache_free+0x69/0x200
  [   15.017699]  RSP <ffff8803e412fdd8>
  [   15.017699] CR2: ffffebe000000000
  [   15.017701] ---[ end trace a7a6c2f649d1c98e ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-31-generic 3.19.0-31.35
  ProcVersionSignature: Ubuntu 3.19.0-30.34-generic 3.19.8-ckt6
  Uname: Linux 3.19.0-30-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.17.2-0ubuntu1.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nicolas    1910 F.... pulseaudio
   /dev/snd/controlC1:  nicolas    1910 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Oct  7 19:21:37 2015
  HibernationDevice: RESUME=UUID=f723849e-aa39-4a8d-b7f4-87d4f4cbdd95
  InstallationDate: Installed on 2015-04-24 (166 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  IwConfig:
   eth0      no wireless extensions.

   lo        no wireless extensions.

   lxcbr0    no wireless extensions.
  MachineType: MSI MS-7752
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-30-generic root=UUID=040f612d-29f0-46e5-961f-dd5deb7df33b ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-30-generic N/A
   linux-backports-modules-3.19.0-30-generic  N/A
   linux-firmware                             1.143.4
  RfKill:

  SourcePackage: linux
  UdevLog: Error: [Errno 2] Aucun fichier ou dossier de ce type: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/29/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V2.12
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z77A-G45 (MS-7752)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV2.12:bd09/29/2013:svnMSI:pnMS-7752:pvr1.0:rvnMSI:rnZ77A-G45(MS-7752):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7752
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI

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