Same issue here with a Dell Latitude [157658.178997] ------------[ cut here ]------------ [157658.179095] WARNING: CPU: 2 PID: 1869 at /build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324 intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915]() [157658.179100] Modules linked in: nls_utf8 btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_codec_generic pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) bnep rfcomm bluetooth 6lowpan_iphc dell_wmi sparse_keymap intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel arc4 dell_laptop dcdbas uvcvideo iwldvm videobuf2_vmalloc mac80211 binfmt_misc videobuf2_memops aesni_intel aes_x86_64 lrw videobuf2_core gf128mul v4l2_common glue_helper videodev ablk_helper [157658.179197] cryptd media joydev serio_raw iwlwifi cfg80211 wmi dell_smo8800 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event i915 snd_rawmidi snd_seq snd_seq_device snd_timer video mac_hid drm_kms_helper lpc_ich drm snd mei_me soundcore mei shpchp i2c_algo_bit parport_pc ppdev lp parport hid_generic usbhid hid firewire_ohci sdhci_pci e1000e sdhci psmouse firewire_core ahci ptp libahci crc_itu_t pps_core [157658.179272] CPU: 2 PID: 1869 Comm: Xorg Tainted: G W OE 3.16.0-23-generic #31-Ubuntu [157658.179277] Hardware name: Dell Inc. Latitude E6520/0CMN08, BIOS A19 11/14/2013 [157658.179282] 0000000000000009 ffff880035f47bf8 ffffffff8177fcbc 0000000000000000 [157658.179289] ffff880035f47c30 ffffffff8106fd8d 0000000000000000 ffff8800c328a000 [157658.179296] ffff880035cb8210 ffff8801277a4800 ffff8801277a4800 ffff880035f47c40 [157658.179303] Call Trace: [157658.179320] [<ffffffff8177fcbc>] dump_stack+0x45/0x56 [157658.179332] [<ffffffff8106fd8d>] warn_slowpath_common+0x7d/0xa0 [157658.179340] [<ffffffff8106fe6a>] warn_slowpath_null+0x1a/0x20 [157658.179389] [<ffffffffc02dcffc>] intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915] [157658.179402] [<ffffffff810b9590>] ? prepare_to_wait_event+0x100/0x100 [157658.179448] [<ffffffffc02dfac3>] intel_crtc_disable_planes+0x33/0x1c0 [i915] [157658.179490] [<ffffffffc02e0090>] ironlake_crtc_disable+0x50/0x980 [i915] [157658.179538] [<ffffffffc0201f53>] ? drm_modeset_lock+0x33/0xf0 [drm] [157658.179546] [<ffffffff81785ab2>] ? mutex_lock+0x12/0x30 [157658.179589] [<ffffffffc02e1457>] intel_crtc_update_dpms+0x67/0xa0 [i915] [157658.179630] [<ffffffffc02e5ac9>] intel_connector_dpms+0x59/0x70 [i915] [157658.179668] [<ffffffffc01f8e19>] drm_mode_obj_set_property_ioctl+0x399/0x3a0 [drm] [157658.179701] [<ffffffffc01f8e50>] drm_mode_connector_property_set_ioctl+0x30/0x40 [drm] [157658.179725] [<ffffffffc01e7a4f>] drm_ioctl+0x1df/0x680 [drm] [157658.179740] [<ffffffff810a9de8>] ? __enqueue_entity+0x78/0x80 [157658.179750] [<ffffffff8101e04f>] ? __switch_to_xtra+0x13f/0x170 [157658.179758] [<ffffffff811f4bc8>] do_vfs_ioctl+0x2c8/0x4a0 [157658.179765] [<ffffffff8178294d>] ? __schedule+0x39d/0x890 [157658.179771] [<ffffffff811f4e21>] SyS_ioctl+0x81/0xa0 [157658.179779] [<ffffffff81787ced>] system_call_fastpath+0x1a/0x1f [157658.179784] ---[ end trace 615210e0689c33af ]---
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1384342 Title: kernel messages intel_crtc_wait_for_pending_flips correlate to compiz hang Status in The Linux Kernel: Unknown Status in “linux” package in Ubuntu: Triaged Bug description: I am fairly frequently (maybe once every 2 days) seeing screen lockups. The system is fine, and then screen locks up. mouse is still movable and even changes icon based on content under it (ie mouse over link changes to pointing hand). Programs are still running (often this occurs during a google hangout, and the hangout, audio and mic seem to work fine). Today when this happened I had more patience and hit ctrl-alt-f1, and then subsequently saw that dmesg had: [82218.556025] ------------[ cut here ]------------ [82218.556074] WARNING: CPU: 0 PID: 8799 at /build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324 intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915]() [82218.556095] Modules linked in: xt_conntrack ipt_REJECT overlayfs pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_CHECKSUM iptable_mangle ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack xt_tcpudp bridge stp llc iptable_filter ip_tables x_tables rfcomm bnep binfmt_misc dm_crypt uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media dm_multipath scsi_dh coretemp kvm_intel kvm arc4 joydev iwldvm mac80211 serio_raw btusb bluetooth pcmcia 6lowpan_iphc thinkpad_acpi snd_seq_midi snd_seq_midi_event nvram snd_hda_codec_conexant snd_hda_codec_generic r852 sm_common lpc_ich nand snd_rawmidi nand_ecc nand_bch snd_hda_intel bch nand_ids snd_hda_controller snd_hda_codec snd_hwdep mtd snd_seq iwlwifi r592 memstick snd_pcm [82218.556112] yenta_socket pcmcia_rsrc pcmcia_core cfg80211 snd_seq_device shpchp snd_timer mei_me mei snd soundcore mac_hid parport_pc ppdev tp_smapi(OE) thinkpad_ec(OE) lp parport btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 raid0 multipath linear hid_generic usbhid hid psmouse firewire_ohci ahci libahci firewire_core sdhci_pci sdhci crc_itu_t i915 wmi e1000e i2c_algo_bit drm_kms_helper video drm ptp pps_core pata_acpi [last unloaded: ipmi_msghandler] [82218.556114] CPU: 0 PID: 8799 Comm: kworker/0:1 Tainted: G W OE 3.16.0-23-generic #30-Ubuntu [82218.556115] Hardware name: LENOVO 7417CTO/7417CTO, BIOS 7UET94WW (3.24 ) 10/17/2012 [82218.556119] Workqueue: events console_callback [82218.556122] 0000000000000009 ffff880016a3faf8 ffffffff8177fcbc 0000000000000000 [82218.556123] ffff880016a3fb30 ffffffff8106fd8d 0000000000000000 ffff880035a5a000 [82218.556124] ffff880035948210 ffff880035826800 ffff880035826800 ffff880016a3fb40 [82218.556125] Call Trace: [82218.556130] [<ffffffff8177fcbc>] dump_stack+0x45/0x56 [82218.556133] [<ffffffff8106fd8d>] warn_slowpath_common+0x7d/0xa0 [82218.556135] [<ffffffff8106fe6a>] warn_slowpath_null+0x1a/0x20 [82218.556153] [<ffffffffc015dffc>] intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915] [82218.556156] [<ffffffff810b9590>] ? prepare_to_wait_event+0x100/0x100 [82218.556175] [<ffffffffc0160ac3>] intel_crtc_disable_planes+0x33/0x1c0 [i915] [82218.556177] [<ffffffff81784e5b>] ? __ww_mutex_lock+0x1b/0xb0 [82218.556196] [<ffffffffc0160ca1>] i9xx_crtc_disable+0x51/0x3f0 [i915] [82218.556220] [<ffffffffc0162457>] intel_crtc_update_dpms+0x67/0xa0 [i915] [82218.556237] [<ffffffffc0166ac9>] intel_connector_dpms+0x59/0x70 [i915] [82218.556245] [<ffffffffc00c4901>] drm_fb_helper_dpms.isra.5+0xc1/0x100 [drm_kms_helper] [82218.556251] [<ffffffffc00c4971>] drm_fb_helper_blank+0x31/0x90 [drm_kms_helper] [82218.556254] [<ffffffff81415d47>] fb_blank+0x57/0xc0 [82218.556256] [<ffffffff8140c87b>] fbcon_blank+0xfb/0x300 [82218.556258] [<ffffffff8108b4a2>] ? __queue_delayed_work+0x182/0x1c0 [82218.556259] [<ffffffff8108b7b9>] ? try_to_grab_pending+0xa9/0x160 [82218.556262] [<ffffffff8107cbdb>] ? lock_timer_base.isra.34+0x2b/0x50 [82218.556264] [<ffffffff8107dd1f>] ? try_to_del_timer_sync+0x4f/0x70 [82218.556266] [<ffffffff81497ba3>] do_blank_screen+0x1d3/0x280 [82218.556267] [<ffffffff8149a348>] console_callback+0x68/0x160 [82218.556269] [<ffffffff8108d8e2>] process_one_work+0x182/0x4e0 [82218.556270] [<ffffffff8108dcab>] worker_thread+0x6b/0x6a0 [82218.556272] [<ffffffff8178294d>] ? __schedule+0x39d/0x890 [82218.556273] [<ffffffff8108dc40>] ? process_one_work+0x4e0/0x4e0 [82218.556275] [<ffffffff81094aeb>] kthread+0xdb/0x100 [82218.556277] [<ffffffff81094a10>] ? kthread_create_on_node+0x1c0/0x1c0 [82218.556278] [<ffffffff81787c3c>] ret_from_fork+0x7c/0xb0 [82218.556280] [<ffffffff81094a10>] ? kthread_create_on_node+0x1c0/0x1c0 [82218.556281] ---[ end trace b9c751133032cf61 ]--- /var/log/Xorg.0.log had: [ 83252.384] (EE) Backtrace: [ 83253.063] (EE) 0: /usr/bin/X (xorg_backtrace+0x56) [0x7f80649a0666] [ 83253.063] (EE) 1: /usr/bin/X (0x7f80647ea000+0x1ba869) [0x7f80649a4869] [ 83253.063] (EE) 2: /lib/x86_64-linux-gnu/libc.so.6 (0x7f806251f000+0x36da0) [0x7f8062555da0] [ 83253.063] (EE) 3: /usr/bin/X (0x7f80647ea000+0x1378ec) [0x7f80649218ec] [ 83253.063] (EE) 4: /usr/bin/X (0x7f80647ea000+0x137d0c) [0x7f8064921d0c] [ 83253.063] (EE) 5: /usr/bin/X (0x7f80647ea000+0x137243) [0x7f8064921243] [ 83253.064] (EE) 6: /usr/bin/X (0x7f80647ea000+0xe9fa8) [0x7f80648d3fa8] [ 83253.064] (EE) 7: /usr/bin/X (0x7f80647ea000+0x1358fc) [0x7f806491f8fc] [ 83253.064] (EE) 8: /usr/bin/X (0x7f80647ea000+0x5b3b7) [0x7f80648453b7] [ 83253.064] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5) [0x7f8062540ec5] [ 83253.064] (EE) 10: /usr/bin/X (0x7f80647ea000+0x456ae) [0x7f806482f6ae] [ 83253.064] (EE) [ 83253.115] (EE) Segmentation fault at address 0x10 Normally, I'm generally able to switch consoles in and out of X without problem. I do not know if the above trace is related to X being locked or not. I'll also attach the /var/log/Xorg.0.log.old that had some information in it also andapparent segfault. That said, I think all log information is tens of seconds after the lock up and might be a result of me ctrl-alt-1 <-> ctrl-alt-f7 while system was in a borked state. ProblemType: Bug DistroRelease: Ubuntu 14.10 Package: linux-image-3.16.0-23-generic 3.16.0-23.30 ProcVersionSignature: Ubuntu 3.16.0-23.30-generic 3.16.4 Uname: Linux 3.16.0-23-generic x86_64 ApportVersion: 2.14.7-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0c: smoser 4134 F...m pulseaudio /dev/snd/pcmC0D0p: smoser 4134 F...m pulseaudio /dev/snd/controlC0: smoser 4134 F.... pulseaudio CurrentDesktop: Unity Date: Wed Oct 22 10:29:16 2014 EcryptfsInUse: Yes InstallationDate: Installed on 2011-10-19 (1099 days ago) InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) MachineType: LENOVO 7417CTO PccardctlIdent: Socket 0: no product info available PccardctlStatus: Socket 0: no card ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-23-generic root=UUID=f9832678-e9fb-41c5-8edb-5edd5200ed0a ro quiet splash nomdmonddf nomdmonisw nomdmonddf nomdmonisw nomdmonddf nomdmonisw vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.16.0-23-generic N/A linux-backports-modules-3.16.0-23-generic N/A linux-firmware 1.136 SourcePackage: linux UpgradeStatus: Upgraded to utopic on 2013-05-20 (520 days ago) dmi.bios.date: 10/17/2012 dmi.bios.vendor: LENOVO dmi.bios.version: 7UET94WW (3.24 ) dmi.board.name: 7417CTO dmi.board.vendor: LENOVO dmi.board.version: Not Available dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Not Available dmi.modalias: dmi:bvnLENOVO:bvr7UET94WW(3.24):bd10/17/2012:svnLENOVO:pn7417CTO:pvrThinkPadT400:rvnLENOVO:rn7417CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: dmi.product.name: 7417CTO dmi.product.version: ThinkPad T400 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1384342/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp