[Bug 92847] New: GPU HANG - horizontal lines on screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92847

            Bug ID: 92847
           Summary: GPU HANG - horizontal lines on screen
           Product: DRI
           Version: XOrg git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: leon at fairtragen.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

During normal operation about once per 30min my screen only shows horizontal
lines. After about 10sec I can continue to use the system normally..

The bug does not occur when I choose older kernel (3.19.8-031908-generic) with
grub.

my hardware (yes, quite old..) 
LG R400-EPRAG

running Kubuntu 15.10 with kernel: 4.2.0-16-generic

except from syslog:

Nov  5 11:34:09 trage-kubuntu-R400-EPRAG smartd[709]: Device: /dev/sda [SAT],
SMART Usage Attribute: 190 Airflow_Temperature_Cel changed from 60 to 62
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.000067] [drm] stuck on
render ring
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001344] [drm] GPU HANG:
ecode 3:0:0x0271ffc0, in Xorg [1249], reason: Ring hung, action: reset
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001434] ------------[
cut here ]------------
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001479] WARNING: CPU: 1
PID: 13646 at
/build/linux-hXawIp/linux-4.2.0/drivers/gpu/drm/i915/intel_display.c:3294
intel_crtc_wait_for_pending_flips+0x17c/0x220 [i915]()
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001482] WARN_ON(ret)
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001484] Modules linked
in: nls_iso8859_1 hid_generic usbhid hid drbg ansi_cprng ctr ccm nvram msr
pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc arc4
ath5k snd_hda_codec_hdmi input_leds ath pcspkr joydev mac80211
snd_hda_codec_realtek serio_raw snd_hda_codec_generic cfg80211 snd_hda_intel
snd_hda_codec snd_hda_core snd_hwdep snd_pcm lpc_ich snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device shpchp snd_timer snd
soundcore mac_hid coretemp parport_pc ppdev lp parport autofs4 uas usb_storage
i915 ahci psmouse i2c_algo_bit libahci pata_acpi drm_kms_helper drm sky2 wmi
video
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001550] CPU: 1 PID:
13646 Comm: kworker/u4:0 Tainted: G        W  OE   4.2.0-16-generic #19-Ubuntu
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001553] Hardware name:
LG Electronics R400-EPRAG/LHOTSE  , BIOS LHONSF04 03/22/2007
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001578] Workqueue:
i915-hangcheck i915_hangcheck_elapsed [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001582]  c1a629a7
4ff65f30 00000000 d048bd48 c175dae1 d048bd88 d048bd78 c106a687
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001589]  f8bd78e9
d048bda8 0000354e f8bc9a44 00000cde f8b6c22c f8b6c22c f5410000
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001595]  c006fc34
00000001 d048bd94 c106a6fe 00000009 d048bd88 f8bd78e9 d048bda8
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001602] Call Trace:
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001610]  [<c175dae1>]
dump_stack+0x41/0x52
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001616]  [<c106a687>]
warn_slowpath_common+0x87/0xc0
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001643]  [<f8b6c22c>] ?
intel_crtc_wait_for_pending_flips+0x17c/0x220 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001671]  [<f8b6c22c>] ?
intel_crtc_wait_for_pending_flips+0x17c/0x220 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001674]  [<c106a6fe>]
warn_slowpath_fmt+0x3e/0x60
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001701]  [<f8b6c22c>]
intel_crtc_wait_for_pending_flips+0x17c/0x220 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001730]  [<f891ffd4>] ?
drm_modeset_lock_all_crtcs+0x84/0x90 [drm]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001757]  [<f8b6d5f4>]
intel_crtc_disable_planes+0x34/0xf0 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001784]  [<f8b6d75a>]
intel_prepare_reset+0x6a/0x80 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001810]  [<f8b3f7b7>]
i915_handle_error+0x147/0x6e0 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001815]  [<c10be1bd>] ?
log_store+0x1cd/0x210
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001820]  [<c10bfa91>] ?
vprintk_default+0x41/0x60
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001843]  [<f8b3ffd3>]
i915_hangcheck_elapsed+0x233/0x410 [i915]
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001849]  [<c10810b5>]
process_one_work+0x155/0x3e0
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001852]  [<c1081377>]
worker_thread+0x37/0x490
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001855]  [<c1081340>] ?
process_one_work+0x3e0/0x3e0
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001859]  [<c1086a56>]
kthread+0xa6/0xc0
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001864]  [<c1763741>]
ret_from_kernel_thread+0x21/0x30
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001868]  [<c10869b0>] ?
kthread_create_on_node+0x170/0x170
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.001871] ---[ end trace
a79e4baed554a835 ]---
Nov  5 11:38:36 trage-kubuntu-R400-EPRAG kernel: [33458.041241] drm/i915:
Resetting chip after gpu hang

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