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[Prasanna Kumar <1419439@xxxxxxxxxxxxxxxxxx>]

I was able to reproduce the bug with linux 3.19 kernel. Copied the OOPS
below

[   91.912027] ------------[ cut here ]------------
[   91.912074] WARNING: CPU: 1 PID: 0 at /home/kernel/COD/linux/drivers/gpu/drm/i915/intel_display.c:9713 intel_check_page_flip+0xe6/0xf0 [i915]()
[   91.912075] Kicking stuck page flip: queued at 4781, now 4786
[   91.912076] Modules linked in: xt_CHECKSUM(E) iptable_mangle(E) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) nf_nat_ipv4(E) nf_nat(E) nf_conntrack(E) xt_tcpudp(E) bridge(E) stp(E) llc(E) iptable_filter(E) ip_tables(E) x_tables(E) ctr(E) ccm(E) uvcvideo(E) intel_rapl(E) iosf_mbi(E) videobuf2_vmalloc(E) videobuf2_memops(E) videobuf2_core(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) v4l2_common(E) coretemp(E) arc4(E) videodev(E) rtl8192ce(E) snd_hda_codec_hdmi(E) media(E) rtl_pci(E) kvm_intel(E) snd_hda_codec_realtek(E) btusb(E) bnep(E) kvm(E) rtl8192c_common(E) snd_hda_codec_generic(E) snd_hda_intel(E) rtlwifi(E) mac80211(E) snd_hda_controller(E) i915(E) rfcomm(E) snd_hda_codec(E) crct10dif_pclmul(E) snd_hwdep(E) bluetooth(E) cfg80211(E) snd_pcm(E)
[   91.912094]  thinkpad_acpi(E) crc32_pclmul(E) ghash_clmulni_intel(E) nvram(E) snd_seq_midi(E) snd_seq_midi_event(E) snd_rawmidi(E) aesni_intel(E) drm_kms_helper(E) aes_x86_64(E) joydev(E) drm(E) snd_seq(E) lrw(E) gf128mul(E) glue_helper(E) serio_raw(E) rtsx_pci_ms(E) mei_me(E) ablk_helper(E) memstick(E) snd_seq_device(E) cryptd(E) snd_timer(E) snd(E) mei(E) wmi(E) i2c_algo_bit(E) lpc_ich(E) shpchp(E) soundcore(E) video(E) mac_hid(E) parport_pc(E) ppdev(E) lp(E) parport(E) binfmt_misc(E) rtsx_pci_sdmmc(E) psmouse(E) ahci(E) libahci(E) r8169(E) mii(E) rtsx_pci(E)
[   91.912114] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G            E  3.19.0-031900-generic #201502091451
[   91.912115] Hardware name: LENOVO 24663C1/24663C1, BIOS G3ET90WW(2.50) 12/26/2012
[   91.912116]  00000000000025f1 ffff88011f243d28 ffffffff817c4c00 0000000000000007
[   91.912118]  ffff88011f243d78 ffff88011f243d68 ffffffff81076e87 000000000b4c2000
[   91.912120]  ffff8800beb80000 ffff880119ce19a8 ffff880119ce1800 0000000000000000
[   91.912122] Call Trace:
[   91.912123]  <IRQ>  [<ffffffff817c4c00>] dump_stack+0x45/0x57
[   91.912130]  [<ffffffff81076e87>] warn_slowpath_common+0x97/0xe0
[   91.912132]  [<ffffffff81076f86>] warn_slowpath_fmt+0x46/0x50
[   91.912146]  [<ffffffffc06fc8a6>] intel_check_page_flip+0xe6/0xf0 [i915]
[   91.912157]  [<ffffffffc06c50ae>] ivb_display_irq_handler+0xae/0x190 [i915]
[   91.912168]  [<ffffffffc06c73b8>] ironlake_irq_handler+0x258/0x2c0 [i915]
[   91.912171]  [<ffffffff810ce4cd>] handle_irq_event_percpu+0x5d/0x1e0
[   91.912173]  [<ffffffff810ce698>] handle_irq_event+0x48/0x70
[   91.912174]  [<ffffffff810d171f>] handle_edge_irq+0x7f/0x120
[   91.912176]  [<ffffffff810178a2>] handle_irq+0x22/0x40
[   91.912178]  [<ffffffff817d4e4c>] do_IRQ+0x5c/0x110
[   91.912180]  [<ffffffff817d2cad>] common_interrupt+0x6d/0x6d
[   91.912181]  <EOI>  [<ffffffff810d7575>] ? rcu_nocb_kthread+0xf5/0x190
[   91.912186]  [<ffffffff8165a084>] ? cpuidle_enter_state+0x74/0x190
[   91.912187]  [<ffffffff8165a06f>] ? cpuidle_enter_state+0x5f/0x190
[   91.912189]  [<ffffffff8165a267>] cpuidle_enter+0x17/0x20
[   91.912191]  [<ffffffff810b79c1>] cpuidle_idle_call+0x101/0x1c0
[   91.912193]  [<ffffffff810b7c55>] cpu_idle_loop+0x1d5/0x1f0
[   91.912195]  [<ffffffff810ecc22>] ? clockevents_register_device+0xe2/0x140
[   91.912197]  [<ffffffff810b7cca>] cpu_startup_entry+0x5a/0x60
[   91.912200]  [<ffffffff8104abea>] start_secondary+0xca/0xd0
[   91.912201] ---[ end trace 882b559b100b49ad ]---

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https://bugs.launchpad.net/bugs/1419439

Title:
  Screen freeze when watching video in VLC

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Screen freezes when I watch video in VLC media player. Moving mouse is
  of no use and Ctrl + Alt + T short cut does not launch terminal. But I
  Could hear the audio even after screen freeze.

  If I press Ctrl + Alt + F1 and wait for several minutes switches to
  console. Then switching to GUI brings back the screen and I am able to
  work as usual.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-30-generic 3.16.0-30.40
  ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
  Uname: Linux 3.16.0-30-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  prasanna   2562 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Feb  8 18:51:57 2015
  HibernationDevice: RESUME=UUID=0af44a95-238c-498a-88f2-425c00e1c9a6
  InstallationDate: Installed on 2014-12-15 (54 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: LENOVO 24663C1
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-30-generic root=UUID=0155df5a-b3ef-4cff-bf83-c45841ac9ed0 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-30-generic N/A
   linux-backports-modules-3.16.0-30-generic  N/A
   linux-firmware                             1.138.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/26/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G3ET90WW(2.50)
  dmi.board.asset.tag: Not Available
  dmi.board.name: 24663C1
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Defined
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG3ET90WW(2.50):bd12/26/2012:svnLENOVO:pn24663C1:pvrThinkPadL430:rvnLENOVO:rn24663C1:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 24663C1
  dmi.product.version: ThinkPad L430
  dmi.sys.vendor: LENOVO

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