[Bug 92686] New: GPU HANG: ecode 3:0:0x027bfbc1, in Xorg [828], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92686

            Bug ID: 92686
           Summary: GPU HANG: ecode 3:0:0x027bfbc1, in Xorg [828], reason:
                    Ring hung, action: reset
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: machinebacon1975 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 119211
  --> https://bugs.freedesktop.org/attachment.cgi?id=119211&action=edit
GPU crash dump

I get this regularly when a terminal with composition is opened and resized or
maximized (gnome-terminal, xfce4-terminal). The screen goes black, then shortly
after there are a bunch of colorful lines, horizontally, all over the screen. A
little bit of the original desktop's layout can be seen. I recover it by
switching TTYs, afterwards window decorations are rendered improperly until
restart of the affected application.

Linux intel 4.2.0-16-generic #19-Ubuntu SMP Thu Oct 8 15:35:06 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux

00:02.0 VGA compatible controller [0300]: Intel Corporation 82945G/GZ
Integrated Graphics Controller [8086:2772] (rev 02)
    Subsystem: Elitegroup Computer Systems Device [1019:2624]
    Kernel driver in use: i915

[10093.821023] WARNING: CPU: 0 PID: 23709 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]()
[10093.821025] WARN_ON(ret)
[10093.821026] Modules linked in:
[10093.821029]  nls_utf8 btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs
msdos jfs xfs libcrc32c cpuid bnep pci_stub vboxpci(OE) vboxnetadp(OE)
vboxnetflt(OE) vboxdrv(OE) gpio_ich snd_hda_codec_realtek bluetooth
snd_hda_codec_generic snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep
snd_pcm input_leds joydev snd_seq_midi mac_hid snd_seq_midi_event snd_rawmidi
coretemp snd_seq serio_raw snd_seq_device snd_timer lpc_ich snd soundcore cuse
parport_pc ppdev lp parport autofs4 hid_generic usbhid hid i915 video
i2c_algo_bit psmouse drm_kms_helper 8139too drm pata_acpi 8139cp mii
[10093.821078] CPU: 0 PID: 23709 Comm: kworker/u2:0 Tainted: G           OE  
4.2.0-16-generic #19-Ubuntu
[10093.821080] Hardware name: ECS 945GZ/CT-M/945GZ/CT-M, BIOS 080012 
04/09/2007
[10093.821100] Workqueue: i915-hangcheck i915_hangcheck_elapsed [i915]
[10093.821103]  0000000000000000 00000000c5f8265e ffff8800112afa78
ffffffff817e8c09
[10093.821106]  0000000000000000 ffff8800112afad0 ffff8800112afab8
ffffffff8107b3c6
[10093.821109]  ffff8800112afab8 ffff880035670000 0000000000000001
ffff880035618000
[10093.821111] Call Trace:
[10093.821120]  [<ffffffff817e8c09>] dump_stack+0x45/0x57
[10093.821125]  [<ffffffff8107b3c6>] warn_slowpath_common+0x86/0xc0
[10093.821128]  [<ffffffff8107b455>] warn_slowpath_fmt+0x55/0x70
[10093.821146]  [<ffffffffc01206fd>] ? i915_gem_object_wait_rendering+0x6d/0xc0
[i915]
[10093.821167]  [<ffffffffc0162b62>]
intel_crtc_wait_for_pending_flips+0x192/0x230 [i915]
[10093.821196]  [<ffffffffc0042be0>] ? drm_modeset_lock_all_crtcs+0x90/0xa0
[drm]
[10093.821217]  [<ffffffffc0163f62>] intel_crtc_disable_planes+0x32/0x100
[i915]
[10093.821238]  [<ffffffffc01640f5>] intel_prepare_reset+0x75/0x90 [i915]
[10093.821256]  [<ffffffffc01303b2>] i915_reset_and_wakeup+0xe2/0x170 [i915]
[10093.821276]  [<ffffffffc0134f3a>] i915_handle_error+0xca/0x660 [i915]
[10093.821280]  [<ffffffff810d1f5e>] ? vprintk_emit+0x2de/0x530
[10093.821283]  [<ffffffff817e62b6>] ? printk+0x55/0x6b
[10093.821301]  [<ffffffffc0135795>] i915_hangcheck_elapsed+0x275/0x470 [i915]
[10093.821306]  [<ffffffff8109412a>] process_one_work+0x1aa/0x440
[10093.821309]  [<ffffffff8109440b>] worker_thread+0x4b/0x4c0
[10093.821311]  [<ffffffff810943c0>] ? process_one_work+0x440/0x440
[10093.821314]  [<ffffffff810943c0>] ? process_one_work+0x440/0x440
[10093.821317]  [<ffffffff8109a7c8>] kthread+0xd8/0xf0
[10093.821320]  [<ffffffff8109a6f0>] ? kthread_create_on_node+0x1f0/0x1f0
[10093.821323]  [<ffffffff817efe1f>] ret_from_fork+0x3f/0x70
[10093.821325]  [<ffffffff8109a6f0>] ? kthread_create_on_node+0x1f0/0x1f0
[10093.821327] ---[ end trace 498994ce268daecb ]---
[10093.861057] drm/i915: Resetting chip after gpu hang
[10139.908403] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts:
(null)

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