After another 1 hour working fine using XRender, again it attempted to fail for a while, but it recovered when I pressed the Alt+Tab keyboard combination. The log file /var/log/syslog has these entries:
Oct 25 18:32:53 hostname kernel: [12166.820045] [drm] stuck on render ring Oct 25 18:32:53 hostname kernel: [12166.820750] [drm] GPU HANG: ecode 3:0:0x7f7fffc1, in Xorg [2616], reason: Ring hung, action: reset Oct 25 18:32:53 hostname kernel: [12166.820836] ------------[ cut here ]------------ Oct 25 18:32:53 hostname kernel: [12166.820884] WARNING: CPU: 1 PID: 4782 at /build/linux-AxjFAn/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:3294 intel_crtc_wait_for_pending_flips+0x192/0x230 [i915]() Oct 25 18:32:53 hostname kernel: [12166.820887] WARN_ON(ret) Oct 25 18:32:53 hostname kernel: [12166.820889] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) gpio_ich input_leds joydev snd_hda_codec_realtek snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm coretemp snd_seq_midi snd_seq_midi_event snd_rawmidi serio_raw lpc_ich snd_seq snd_seq_device snd_timer snd shpchp soundcore mac_hid 8250_fintek parport_pc ppdev lp parport autofs4 hid_generic usbhid hid psmouse i915 pata_acpi video i2c_algo_bit drm_kms_helper r8169 drm mii Oct 25 18:32:53 hostname kernel: [12166.820937] CPU: 1 PID: 4782 Comm: kworker/u8:2 Tainted: G W OE 4.2.0-16-generic #19-Ubuntu Oct 25 18:32:53 hostname kernel: [12166.820939] Hardware name: /D945GCNL, BIOS NL94510J.86A.0017.2007.0828.1137 08/28/2007 Oct 25 18:32:53 hostname kernel: [12166.820964] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915] Oct 25 18:32:53 hostname kernel: [12166.820967] 0000000000000000 0000000039c9a788 ffff880068a87a78 ffffffff817e8c09 Oct 25 18:32:53 hostname kernel: [12166.820972] 0000000000000000 ffff880068a87ad0 ffff880068a87ab8 ffffffff8107b3c6 Oct 25 18:32:53 hostname kernel: [12166.820975] ffff880068a87ab8 ffff880035a50000 0000000000000001 ffff8800358b7000 Oct 25 18:32:53 hostname kernel: [12166.820979] Call Trace: Oct 25 18:32:53 hostname kernel: [12166.820988] [<ffffffff817e8c09>] dump_stack+0x45/0x57 Oct 25 18:32:53 hostname kernel: [12166.820993] [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0 Oct 25 18:32:53 hostname kernel: [12166.820997] [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70 Oct 25 18:32:53 hostname kernel: [12166.821019] [<ffffffffc012e6fd>] ? i915_gem_object_wait_rendering+0x6d/0xc0 [i915] Oct 25 18:32:53 hostname kernel: [12166.821044] [<ffffffffc0170b62>] intel_crtc_wait_for_pending_flips+0x192/0x230 [i915] Oct 25 18:32:53 hostname kernel: [12166.821069] [<ffffffffc0026be0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0 [drm] Oct 25 18:32:53 hostname kernel: [12166.821095] [<ffffffffc0171f62>] intel_crtc_disable_planes+0x32/0x100 [i915] Oct 25 18:32:53 hostname kernel: [12166.821120] [<ffffffffc01720f5>] intel_prepare_reset+0x75/0x90 [i915] Oct 25 18:32:53 hostname kernel: [12166.821143] [<ffffffffc013e3b2>] i915_reset_and_wakeup+0xe2/0x170 [i915] Oct 25 18:32:53 hostname kernel: [12166.821167] [<ffffffffc0142f3a>] i915_handle_error+0xca/0x660 [i915] Oct 25 18:32:53 hostname kernel: [12166.821171] [<ffffffff810d1f5e>] ? vprintk_emit+0x2de/0x530 Oct 25 18:32:53 hostname kernel: [12166.821175] [<ffffffff817e62b6>] ? printk+0x55/0x6b Oct 25 18:32:53 hostname kernel: [12166.821198] [<ffffffffc0143795>] i915_hangcheck_elapsed+0x275/0x470 [i915] Oct 25 18:32:53 hostname kernel: [12166.821203] [<ffffffff8109412a>] process_one_work+0x1aa/0x440 Oct 25 18:32:53 hostname kernel: [12166.821206] [<ffffffff8109440b>] worker_thread+0x4b/0x4c0 Oct 25 18:32:53 hostname kernel: [12166.821210] [<ffffffff810943c0>] ? process_one_work+0x440/0x440 Oct 25 18:32:53 hostname kernel: [12166.821213] [<ffffffff810943c0>] ? process_one_work+0x440/0x440 Oct 25 18:32:53 hostname kernel: [12166.821217] [<ffffffff8109a7c8>] kthread+0xd8/0xf0 Oct 25 18:32:53 hostname kernel: [12166.821220] [<ffffffff8109a6f0>] ? kthread_create_on_node+0x1f0/0x1f0 Oct 25 18:32:53 hostname kernel: [12166.821224] [<ffffffff817efe1f>] ret_from_fork+0x3f/0x70 Oct 25 18:32:53 hostname kernel: [12166.821227] [<ffffffff8109a6f0>] ? kthread_create_on_node+0x1f0/0x1f0 Oct 25 18:32:53 hostname kernel: [12166.821230] ---[ end trace f81e1f1a568f5df7 ]--- Oct 25 18:32:53 hostname kernel: [12166.862598] drm/i915: Resetting chip after gpu hang -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509868 Title: Horizontal white lines appear messing the screen display after upgrading to Kubuntu 15.10 a computer with Intel Graphics hardware To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-vaapi-driver/+bug/1509868/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
