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 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1419439 Title: Screen freeze when watching video in VLC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1419439/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
