<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 - GPU HANG: ecode 7:0:0x85dfbdf8, in Xorg [1404], reason: Ring hung, action: reset"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=96918">96918</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>GPU HANG: ecode 7:0:0x85dfbdf8, in Xorg [1404], reason: Ring hung, action: reset
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (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>jaume@delclos.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=125055" name="attach_125055" title="sudo cp /sys/class/drm/card0/error gpu_crash_dump.log">attachment 125055</a> <a href="attachment.cgi?id=125055&action=edit" title="sudo cp /sys/class/drm/card0/error gpu_crash_dump.log">[details]</a></span>
sudo cp /sys/class/drm/card0/error gpu_crash_dump.log

The system freezes and Xorg crashes when working with libreoffice calc (gtk2).
The following was found in dmesg, reporting as requested:

[   56.357588] [drm] stuck on render ring
[   56.358526] [drm] GPU HANG: ecode 7:0:0x85df3c1c, in Xorg [1404], reason:
Ring hung, action: reset
[   56.358528] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[   56.358529] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[   56.358530] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[   56.358531] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[   56.358532] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[   56.360626] drm/i915: Resetting chip after gpu hang
[   98.339178] [drm] stuck on render ring
[   98.340513] [drm] GPU HANG: ecode 7:0:0x85dfbdf8, in Xorg [1404], reason:
Ring hung, action: reset
[   98.340732] ------------[ cut here ]------------
[   98.340798] WARNING: CPU: 0 PID: 43 at
drivers/gpu/drm/i915/intel_display.c:11385
intel_mmio_flip_work_func+0x442/0x4c0 [i915]
[   98.340805] WARN_ON(__i915_wait_request(mmio_flip->req,
mmio_flip->crtc->reset_counter, false, ((void *)0),
&mmio_flip->i915->rps.mmioflips))
[   98.340810] Modules linked in:
[   98.340816]  fuse sha256_ssse3 sha256_generic hmac drbg ansi_cprng ctr ccm
xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack
ipt_REJECT nf_reject_ipv4 xt_tcpudp tun bridge stp llc ebtable_filter ebtables
ip6table_filter ip6_tables iptable_filter cachefiles btusb btrtl btbcm btintel
bluetooth joydev iTCO_wdt uvcvideo videobuf2_vmalloc videobuf2_memops pn544_mei
videobuf2_v4l2 mei_phy videobuf2_core mei_wdt intel_rapl mousedev
x86_pkg_temp_thermal videodev intel_powerclamp pn544 coretemp media hci
kvm_intel kvm nfc irqbypass iTCO_vendor_support crct10dif_pclmul crc32_pclmul
crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 tpm_infineon arc4
snd_hda_codec_hdmi lrw gf128mul glue_helper ablk_helper
[   98.340962]  cryptd tpm_tis tpm iwlmvm evdev input_leds mac_hid pcspkr
psmouse serio_raw i915 rtsx_pci_ms memstick drm_kms_helper mac80211 iwlwifi drm
cfg80211 intel_gtt toshiba_acpi sparse_keymap led_class syscopyarea thermal
sysfillrect sysimgblt battery toshiba_bluetooth rfkill fb_sys_fops toshiba_haps
i2c_algo_bit snd_hda_codec_realtek snd_hda_codec_generic e1000e ptp
snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd
soundcore video fjes pps_core ac button mei_me mei shpchp processor lpc_ich wmi
sch_fq_codel vboxnetflt(O) vboxnetadp(O) pci_stub vboxpci(O) vboxdrv(O) nfsd
auth_rpcgss nfs oid_registry nfs_acl lockd fscache grace sunrpc ip_tables
x_tables ext4 crc16 jbd2 mbcache hid_generic usbhid hid sd_mod rtsx_pci_sdmmc
mmc_core atkbd libps2 ahci libahci libata xhci_pci
[   98.341104]  ehci_pci scsi_mod xhci_hcd ehci_hcd rtsx_pci usbcore usb_common
i8042 serio
[   98.341128] CPU: 0 PID: 43 Comm: kworker/0:1 Tainted: G           O   
4.6.3-1-ARCH #1
[   98.341134] Hardware name: TOSHIBA TECRA Z40-A/TECRA Z40-A, BIOS Version
3.30   02/05/2014
[   98.341180] Workqueue: events intel_mmio_flip_work_func [i915]
[   98.341187]  0000000000000286 000000002772f497 ffff8802146dbd18
ffffffff812e54c2
[   98.341198]  ffff8802146dbd68 0000000000000000 ffff8802146dbd58
ffffffff8107a6bb
[   98.341208]  00002c79146dbd20 ffff88021453be40 ffff8801ef6912c0
ffff880210f66f40
[   98.341217] Call Trace:
[   98.341231]  [<ffffffff812e54c2>] dump_stack+0x63/0x81
[   98.341240]  [<ffffffff8107a6bb>] __warn+0xcb/0xf0
[   98.341247]  [<ffffffff8107a73f>] warn_slowpath_fmt+0x5f/0x80
[   98.341258]  [<ffffffff8102d76d>] ? __switch_to+0x29d/0x430
[   98.341303]  [<ffffffffa08444c2>] intel_mmio_flip_work_func+0x442/0x4c0
[i915]
[   98.341312]  [<ffffffff81093a05>] process_one_work+0x1e5/0x480
[   98.341321]  [<ffffffff81093ce8>] worker_thread+0x48/0x4e0
[   98.341328]  [<ffffffff81093ca0>] ? process_one_work+0x480/0x480
[   98.341335]  [<ffffffff81093ca0>] ? process_one_work+0x480/0x480
[   98.341345]  [<ffffffff81099998>] kthread+0xd8/0xf0
[   98.341359]  [<ffffffff815c73c2>] ret_from_fork+0x22/0x40
[   98.341369]  [<ffffffff810998c0>] ? kthread_worker_fn+0x170/0x170
[   98.341376] ---[ end trace 5614b9b84e9f0aab ]---
[   98.341398] ------------[ cut here ]------------
[   98.341442] WARNING: CPU: 0 PID: 4 at
drivers/gpu/drm/i915/intel_display.c:11385
intel_mmio_flip_work_func+0x442/0x4c0 [i915]
[   98.341446] WARN_ON(__i915_wait_request(mmio_flip->req,
mmio_flip->crtc->reset_counter, false, ((void *)0),
&mmio_flip->i915->rps.mmioflips))
[   98.341450] Modules linked in:
[   98.341454]  fuse sha256_ssse3 sha256_generic hmac drbg ansi_cprng ctr ccm
xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat
nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack
ipt_REJECT nf_reject_ipv4 xt_tcpudp tun bridge stp llc ebtable_filter ebtables
ip6table_filter ip6_tables iptable_filter cachefiles btusb btrtl btbcm btintel
bluetooth joydev iTCO_wdt uvcvideo videobuf2_vmalloc videobuf2_memops pn544_mei
videobuf2_v4l2 mei_phy videobuf2_core mei_wdt intel_rapl mousedev
x86_pkg_temp_thermal videodev intel_powerclamp pn544 coretemp media hci
kvm_intel kvm nfc irqbypass iTCO_vendor_support crct10dif_pclmul crc32_pclmul
crc32c_intel ghash_clmulni_intel aesni_intel aes_x86_64 tpm_infineon arc4
snd_hda_codec_hdmi lrw gf128mul glue_helper ablk_helper
[   98.341569]  cryptd tpm_tis tpm iwlmvm evdev input_leds mac_hid pcspkr
psmouse serio_raw i915 rtsx_pci_ms memstick drm_kms_helper mac80211 iwlwifi drm
cfg80211 intel_gtt toshiba_acpi sparse_keymap led_class syscopyarea thermal
sysfillrect sysimgblt battery toshiba_bluetooth rfkill fb_sys_fops toshiba_haps
i2c_algo_bit snd_hda_codec_realtek snd_hda_codec_generic e1000e ptp
snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_timer snd
soundcore video fjes pps_core ac button mei_me mei shpchp processor lpc_ich wmi
sch_fq_codel vboxnetflt(O) vboxnetadp(O) pci_stub vboxpci(O) vboxdrv(O) nfsd
auth_rpcgss nfs oid_registry nfs_acl lockd fscache grace sunrpc ip_tables
x_tables ext4 crc16 jbd2 mbcache hid_generic usbhid hid sd_mod rtsx_pci_sdmmc
mmc_core atkbd libps2 ahci libahci libata xhci_pci
[   98.341699]  ehci_pci scsi_mod xhci_hcd ehci_hcd rtsx_pci usbcore usb_common
i8042 serio
[   98.341712] CPU: 0 PID: 4 Comm: kworker/0:0 Tainted: G        W  O   
4.6.3-1-ARCH #1
[   98.341716] Hardware name: TOSHIBA TECRA Z40-A/TECRA Z40-A, BIOS Version
3.30   02/05/2014
[   98.341746] Workqueue: events intel_mmio_flip_work_func [i915]
[   98.341750]  0000000000000286 000000009b64eb10 ffff8802149ffd18
ffffffff812e54c2
[   98.341756]  ffff8802149ffd68 0000000000000000 ffff8802149ffd58
ffffffff8107a6bb
[   98.341761]  00002c79149ffd20 ffff880214934c00 ffff8801ef691200
ffff880210f66f40
[   98.341767] Call Trace:
[   98.341774]  [<ffffffff812e54c2>] dump_stack+0x63/0x81
[   98.341778]  [<ffffffff8107a6bb>] __warn+0xcb/0xf0
[   98.341783]  [<ffffffff8107a73f>] warn_slowpath_fmt+0x5f/0x80
[   98.341788]  [<ffffffff8102d76d>] ? __switch_to+0x29d/0x430
[   98.341817]  [<ffffffffa08444c2>] intel_mmio_flip_work_func+0x442/0x4c0
[i915]
[   98.341822]  [<ffffffff81093a05>] process_one_work+0x1e5/0x480
[   98.341827]  [<ffffffff81093ce8>] worker_thread+0x48/0x4e0
[   98.341832]  [<ffffffff81093ca0>] ? process_one_work+0x480/0x480
[   98.341838]  [<ffffffff81099998>] kthread+0xd8/0xf0
[   98.341846]  [<ffffffff815c73c2>] ret_from_fork+0x22/0x40
[   98.341852]  [<ffffffff810998c0>] ? kthread_worker_fn+0x170/0x170
[   98.341856] ---[ end trace 5614b9b84e9f0aac ]---
[   98.342505] drm/i915: Resetting chip after gpu hang
[  106.346128] [drm] stuck on render ring
[  106.347128] [drm] GPU HANG: ecode 7:0:0x85dffdfc, in Xorg [1404], reason:
Ring hung, action: reset
[  106.349255] drm/i915: Resetting chip after gpu hang</pre>
        </div>
      </p>


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