<html>
    <head>
      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [drm] stuck on render ring"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=103557">103557</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[drm] stuck on render ring
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>freepeleg@gmail.com
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=135228" name="attach_135228" title="error log">attachment 135228</a> <a href="attachment.cgi?id=135228&action=edit" title="error log">[details]</a></span>
error log

Constantly, after suspend, my GPU hangs. This is new.

----

System info:

* Ubuntu 14.04.5 LTS (trusty)
* Architecture: 64 bit
* Kernel version: 4.4.0-78-generic
* Dell E7440
* Bios version: A14

----

Syslog:

Nov  3 13:40:59 lati kernel: [28614.573123] [drm] GPU HANG: ecode
7:0:0x85dfbff8, in compiz [2727], reason: Ring hung, action: reset
Nov  3 13:40:59 lati kernel: [28614.573124] [drm] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
Nov  3 13:40:59 lati kernel: [28614.573125] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel                         
Nov  3 13:40:59 lati kernel: [28614.573126] [drm] drm/i915 developers can then
reassign to the right component if it's not a kernel issue.
Nov  3 13:40:59 lati kernel: [28614.573127] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Nov  3 13:40:59 lati kernel: [28614.573127] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Nov  3 13:40:59 lati kernel: [28614.573154] ------------[ cut here
]------------
Nov  3 13:40:59 lati kernel: [28614.573190] WARNING: CPU: 0 PID: 21602 at
/build/linux-lts-xenial-91AvRV/linux-lts-xenial-4.4.0/drivers/gpu/drm/i915/intel_display.c:11311
intel_mmio_flip_work_func+0x385/0x3d0 [i915]()
Nov  3 13:40:59 lati kernel: [28614.573192]
WARN_ON(__i915_wait_request(mmio_flip->req, mmio_flip->crtc->reset_counter,
false, NULL, &mmio_flip->i915->rps.mmioflips))
Nov  3 13:40:59 lati kernel: [28614.573194] Modules linked in: psmouse drbg
ansi_cprng ctr ccm cmac bnep rfcomm binfmt_misc arc4 pn544_mei mei_phy pn544
hci nfc wl(POE) dell_wmi sparse_keymap uvcvideo videobuf2_vmalloc dell_laptop
videobuf2_memops dcdbas videobuf2_v4l2 videobuf2_core intel_rapl v4l2_common
joydev videodev media x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_hdmi
coretemp iwlmvm kvm_intel mac80211 kvm dell_smm_hwmon irqbypass
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel i915 aesni_intel iwlwifi
snd_soc_rt5640 snd_hda_codec_realtek btusb btrtl aes_x86_64
snd_hda_codec_generic btbcm lrw gf128mul btintel glue_helper input_leds
snd_soc_rl6231 ablk_helper bluetooth cfg80211 snd_soc_core cryptd serio_raw
drm_kms_helper snd_hda_intel snd_compress snd_hda_codec drm ac97_bus
snd_pcm_dmaengine snd_hda_core snd_hwdep wmi snd_pcm snd_seq_midi
snd_seq_midi_event snd_rawmidi i2c_algo_bit snd_soc_sst_acpi snd_seq
8250_fintek snd_seq_device snd_timer video dw_dmac dell_smo8800 dw_dmac_core
elan_i2c fb_sys_fops i2c_hid syscopyarea spi_pxa2xx_platform snd 8250_dw
i2c_designware_platform sysfillrect i2c_designware_core mei_me sysimgblt
lpc_ich dell_rbtn mei soundcore shpchp mac_hid parport_pc ppdev lp parport
hid_generic usbhid hid ahci e1000e libahci sdhci_pci ptp pps_core sdhci_acpi
sdhci fjes [last unloaded: psmouse]
Nov  3 13:40:59 lati kernel: [28614.573266] CPU: 0 PID: 21602 Comm: kworker/0:2
Tainted: P           OE   4.4.0-78-generic #99~14.04.2-Ubuntu
Nov  3 13:40:59 lati kernel: [28614.573267] Hardware name: Dell Inc. Latitude
E7440/      , BIOS A14 02/02/2015
Nov  3 13:40:59 lati kernel: [28614.573290] Workqueue: events
intel_mmio_flip_work_func [i915]
Nov  3 13:40:59 lati kernel: [28614.573292]  0000000000000000 ffff880259243d28
ffffffff813dd70c ffff880259243d70
Nov  3 13:40:59 lati kernel: [28614.573294]  ffffffffc06eefc8 ffff880259243d60
ffffffff8107ea06 ffff880318dc4940
Nov  3 13:40:59 lati kernel: [28614.573297]  ffff88041ea16600 ffff88041ea1af00
0000000000000000 ffff880318dc4940
Nov  3 13:40:59 lati kernel: [28614.573300] Call Trace:
Nov  3 13:40:59 lati kernel: [28614.573305]  [<ffffffff813dd70c>]
dump_stack+0x63/0x87
Nov  3 13:40:59 lati kernel: [28614.573309]  [<ffffffff8107ea06>]
warn_slowpath_common+0x86/0xc0
Nov  3 13:40:59 lati kernel: [28614.573312]  [<ffffffff8107ea8c>]
warn_slowpath_fmt+0x4c/0x50
Nov  3 13:40:59 lati kernel: [28614.573332]  [<ffffffffc06888b5>]
intel_mmio_flip_work_func+0x385/0x3d0 [i915]
Nov  3 13:40:59 lati kernel: [28614.573335]  [<ffffffff81096d00>]
process_one_work+0x150/0x3f0
Nov  3 13:40:59 lati kernel: [28614.573338]  [<ffffffff8109747a>]
worker_thread+0x11a/0x470
Nov  3 13:40:59 lati kernel: [28614.573342]  [<ffffffff818078c9>] ?
__schedule+0x359/0x980
Nov  3 13:40:59 lati kernel: [28614.573344]  [<ffffffff81097360>] ?
rescuer_thread+0x310/0x310
Nov  3 13:40:59 lati kernel: [28614.573347]  [<ffffffff8109cd29>]
kthread+0xc9/0xe0
Nov  3 13:40:59 lati kernel: [28614.573350]  [<ffffffff8109cc60>] ?
kthread_park+0x60/0x60
Nov  3 13:40:59 lati kernel: [28614.573352]  [<ffffffff8180bb0f>]
ret_from_fork+0x3f/0x70
Nov  3 13:40:59 lati kernel: [28614.573354]  [<ffffffff8109cc60>] ?
kthread_park+0x60/0x60
Nov  3 13:40:59 lati kernel: [28614.573356] ---[ end trace 69c7880dca9efbd5
]---
Nov  3 13:40:59 lati kernel: [28614.575250] drm/i915: Resetting chip after gpu
hang</pre>
        </div>
      </p>


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