Just had it occur for the second time, two weeks after the first time. Unlike the first time, this time the mouse cursor did move (while everything else was frozen), but the system did not recover, and I had to ssh into the machine (which was possible, confirming that it's just the display that's broken) and reboot it. I'm also on Haswell, fwiw.
The stack trace is slightly different than before: Nov 13 20:15:59 pc kernel: [1630241.453354] CPU: 5 PID: 1806 Comm: Xorg Tainted: G W OE 3.16.0-23-generic #31-Ubuntu Nov 13 20:15:59 pc kernel: [1630241.453356] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z87 Extreme6, BIOS P2.40 07/08/2014 Nov 13 20:15:59 pc kernel: [1630241.453358] 0000000000000009 ffff8804082ffc18 ffffffff8177fcbc 0000000000000000 Nov 13 20:15:59 pc kernel: [1630241.453361] ffff8804082ffc50 ffffffff8106fd8d 0000000000000000 ffff880408fd6000 Nov 13 20:15:59 pc kernel: [1630241.453364] ffff880035938210 ffff880404b88800 ffff880404b88800 ffff8804082ffc60 Nov 13 20:15:59 pc kernel: [1630241.453367] Call Trace: Nov 13 20:15:59 pc kernel: [1630241.453375] [<ffffffff8177fcbc>] dump_stack+0x45/0x56 Nov 13 20:15:59 pc kernel: [1630241.453381] [<ffffffff8106fd8d>] warn_slowpath_common+0x7d/0xa0 Nov 13 20:15:59 pc kernel: [1630241.453384] [<ffffffff8106fe6a>] warn_slowpath_null+0x1a/0x20 Nov 13 20:15:59 pc kernel: [1630241.453406] [<ffffffffc0283ffc>] intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915] Nov 13 20:15:59 pc kernel: [1630241.453411] [<ffffffff810b9590>] ? prepare_to_wait_event+0x100/0x100 Nov 13 20:15:59 pc kernel: [1630241.453432] [<ffffffffc0286ac3>] intel_crtc_disable_planes+0x33/0x1c0 [i915] Nov 13 20:15:59 pc kernel: [1630241.453436] [<ffffffff81784e5b>] ? __ww_mutex_lock+0x1b/0xb0 Nov 13 20:15:59 pc kernel: [1630241.453456] [<ffffffffc0287a17>] haswell_crtc_disable+0x57/0x2e0 [i915] Nov 13 20:15:59 pc kernel: [1630241.453459] [<ffffffff81785ab2>] ? mutex_lock+0x12/0x30 Nov 13 20:15:59 pc kernel: [1630241.453478] [<ffffffffc0288457>] intel_crtc_update_dpms+0x67/0xa0 [i915] Nov 13 20:15:59 pc kernel: [1630241.453497] [<ffffffffc028cac9>] intel_connector_dpms+0x59/0x70 [i915] Nov 13 20:15:59 pc kernel: [1630241.453516] [<ffffffffc00fbe19>] drm_mode_obj_set_property_ioctl+0x399/0x3a0 [drm] Nov 13 20:15:59 pc kernel: [1630241.453534] [<ffffffffc00fbe50>] drm_mode_connector_property_set_ioctl+0x30/0x40 [drm] Nov 13 20:15:59 pc kernel: [1630241.453546] [<ffffffffc00eaa4f>] drm_ioctl+0x1df/0x680 [drm] Nov 13 20:15:59 pc kernel: [1630241.453553] [<ffffffff8101c2f9>] ? read_tsc+0x9/0x20 Nov 13 20:15:59 pc kernel: [1630241.453557] [<ffffffff811f4bc8>] do_vfs_ioctl+0x2c8/0x4a0 Nov 13 20:15:59 pc kernel: [1630241.453561] [<ffffffff81080a52>] ? __set_task_blocked+0x32/0x80 Nov 13 20:15:59 pc kernel: [1630241.453564] [<ffffffff81083986>] ? __set_current_blocked+0x36/0xc0 Nov 13 20:15:59 pc kernel: [1630241.453567] [<ffffffff811f4e21>] SyS_ioctl+0x81/0xa0 Nov 13 20:15:59 pc kernel: [1630241.453571] [<ffffffff81787ced>] system_call_fastpath+0x1a/0x1f Nov 13 20:15:59 pc kernel: [1630241.453572] ---[ end trace 9b44a589aabc549d ]--- -- 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 System76: New 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
