<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 - First time this hangs occurs, the log says I should fill a bug report, so I do it"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101117">101117</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>First time this hangs occurs, the log says I should fill a bug report, so I do it
</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>jano2358@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>I have a firefox session opened, thunderbird, dolphin, terminal.
sorry, didn't copy the file /sys/class/drm/card0/error, here is the log from
/var/log/kern.log
May 20 13:08:23 J-TH kernel: [12436.024243] ------------[ cut here
]------------
May 20 13:08:23 J-TH kernel: [12436.024292] WARNING: CPU: 1 PID: 2987 at
/build/linux-hwe-X3pKE5/linux-hwe-4.8.0/drivers/gpu/drm/i915/intel_uncore.c:185
gen6_gt_check_fifodbg+0x42/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.024293] GT wake FIFO error 0x3
May 20 13:08:23 J-TH kernel: [12436.024294] Modules linked in: rfcomm ccm bnep
intel_rapl uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
videobuf2_core videodev media btusb btrtl btbcm btintel bluetooth
x86_pkg_temp_thermal intel_powerclamp kvm_intel arc4 kvm iwldvm irqbypass
mac80211 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 iwlwifi lrw glue_helper ablk_helper cryptd intel_cstate cfg80211
snd_hda_codec_hdmi snd_hda_codec_conexant intel_rapl_perf snd_hda_codec_generic
joydev input_leds serio_raw snd_hda_intel snd_hda_codec snd_hda_core
thinkpad_acpi snd_hwdep shpchp snd_pcm nvram lpc_ich snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer mei_me mei snd
soundcore mac_hid binfmt_misc coretemp parport_pc ppdev lp parport autofs4
btrfs xor raid6_pq dm_mirror dm_region_hash dm_log hid_logitech_hidpp
hid_logitech_dj hid_generic usbhid hid i915 i2c_algo_bit psmouse drm_kms_helper
firewire_ohci ahci e1000e syscopyarea sysfillrect sdhci_pci libahci sysimgblt
sdhci fb_sys_fops firewire_core ptp crc_itu_t pps_core drm wmi fjes video
May 20 13:08:23 J-TH kernel: [12436.024397] CPU: 1 PID: 2987 Comm: kworker/1:2
Tainted: G W 4.8.0-52-generic #55~16.04.1-Ubuntu
May 20 13:08:23 J-TH kernel: [12436.024399] Hardware name: LENOVO
4236D42/4236D42, BIOS 83ET76WW (1.46 ) 07/05/2013
May 20 13:08:23 J-TH kernel: [12436.024449] Workqueue: events_long
i915_hangcheck_elapsed [i915]
May 20 13:08:23 J-TH kernel: [12436.024452] 0000000000000086 00000000efed49fd
ffff9875de243dd8 ffffffff8a02e7b3
May 20 13:08:23 J-TH kernel: [12436.024458] ffff9875de243e28 0000000000000000
ffff9875de243e18 ffffffff89c8314b
May 20 13:08:23 J-TH kernel: [12436.024479] 000000b900000000 ffff9875cd370000
0000000000000003 ffff9875de252340
May 20 13:08:23 J-TH kernel: [12436.024494] Call Trace:
May 20 13:08:23 J-TH kernel: [12436.024495] <IRQ> [<ffffffff8a02e7b3>]
dump_stack+0x63/0x90
May 20 13:08:23 J-TH kernel: [12436.024506] [<ffffffff89c8314b>]
__warn+0xcb/0xf0
May 20 13:08:23 J-TH kernel: [12436.024554] [<ffffffffc0512960>] ?
__unclaimed_reg_debug+0x60/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.024560] [<ffffffff89c831cf>]
warn_slowpath_fmt+0x5f/0x80
May 20 13:08:23 J-TH kernel: [12436.024566] [<ffffffff89cf3d6e>] ?
__next_timer_interrupt+0xae/0xe0
May 20 13:08:23 J-TH kernel: [12436.024614] [<ffffffffc0512422>]
gen6_gt_check_fifodbg+0x42/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.024661] [<ffffffffc051245a>]
fw_domains_put_with_fifo+0x1a/0x20 [i915]
May 20 13:08:23 J-TH kernel: [12436.024709] [<ffffffffc05129b3>]
intel_uncore_fw_release_timer+0x53/0xd0 [i915]
May 20 13:08:23 J-TH kernel: [12436.024715] [<ffffffff89cf64c3>]
__hrtimer_run_queues+0xf3/0x280
May 20 13:08:23 J-TH kernel: [12436.024721] [<ffffffff89cf6c88>]
hrtimer_interrupt+0xa8/0x1a0
May 20 13:08:23 J-TH kernel: [12436.024727] [<ffffffff89c531a8>]
local_apic_timer_interrupt+0x38/0x60
May 20 13:08:23 J-TH kernel: [12436.024732] [<ffffffff8a49d21d>]
smp_apic_timer_interrupt+0x3d/0x50
May 20 13:08:23 J-TH kernel: [12436.024736] [<ffffffff8a49c532>]
apic_timer_interrupt+0x82/0x90
May 20 13:08:23 J-TH kernel: [12436.024738] <EOI> [<ffffffff8a49a495>] ?
_raw_spin_unlock_irqrestore+0x15/0x20
May 20 13:08:23 J-TH kernel: [12436.024793] [<ffffffffc0515a9f>]
gen6_read32+0xbf/0x230 [i915]
May 20 13:08:23 J-TH kernel: [12436.024857] [<ffffffffc057e268>]
i915_gem_record_rings+0x598/0xa95 [i915]
May 20 13:08:23 J-TH kernel: [12436.024911] [<ffffffffc05032f9>]
i915_capture_error_state+0x8c9/0xbc0 [i915]
May 20 13:08:23 J-TH kernel: [12436.024954] [<ffffffffc04c396d>]
i915_handle_error+0x7d/0xf0 [i915]
May 20 13:08:23 J-TH kernel: [12436.024958] [<ffffffff8a03b64d>] ?
scnprintf+0x4d/0x90
May 20 13:08:23 J-TH kernel: [12436.025010] [<ffffffffc050e63b>] ?
intel_ring_get_active_head+0x5b/0xe0 [i915]
May 20 13:08:23 J-TH kernel: [12436.025053] [<ffffffffc04c3c36>]
i915_hangcheck_elapsed+0x256/0x5f0 [i915]
May 20 13:08:23 J-TH kernel: [12436.025058] [<ffffffff89c9d89b>]
process_one_work+0x16b/0x4a0
May 20 13:08:23 J-TH kernel: [12436.025061] [<ffffffff89c9dc1b>]
worker_thread+0x4b/0x500
May 20 13:08:23 J-TH kernel: [12436.025065] [<ffffffff89c9dbd0>] ?
process_one_work+0x4a0/0x4a0
May 20 13:08:23 J-TH kernel: [12436.025068] [<ffffffff89c9dbd0>] ?
process_one_work+0x4a0/0x4a0
May 20 13:08:23 J-TH kernel: [12436.025073] [<ffffffff89ca3fb8>]
kthread+0xd8/0xf0
May 20 13:08:23 J-TH kernel: [12436.025077] [<ffffffff8a49ab1f>]
ret_from_fork+0x1f/0x40
May 20 13:08:23 J-TH kernel: [12436.025082] [<ffffffff89ca3ee0>] ?
kthread_create_on_node+0x1e0/0x1e0
May 20 13:08:23 J-TH kernel: [12436.025085] ---[ end trace 32a5f1c67cb7bee7
]---
May 20 13:08:23 J-TH kernel: [12436.075170] [drm:fw_domains_get [i915]] *ERROR*
render: timed out waiting for forcewake ack request.
May 20 13:08:23 J-TH kernel: [12436.075721] [drm:__gen6_gt_wait_for_thread_c0
[i915]] *ERROR* GT thread status wait timed out
May 20 13:08:23 J-TH kernel: [12436.075727] ------------[ cut here
]------------
May 20 13:08:23 J-TH kernel: [12436.075776] WARNING: CPU: 1 PID: 2987 at
/build/linux-hwe-X3pKE5/linux-hwe-4.8.0/drivers/gpu/drm/i915/intel_uncore.c:185
gen6_gt_check_fifodbg+0x42/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.075778] GT wake FIFO error 0x3
May 20 13:08:23 J-TH kernel: [12436.075779] Modules linked in: rfcomm ccm bnep
intel_rapl uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
videobuf2_core videodev media btusb btrtl btbcm btintel bluetooth
x86_pkg_temp_thermal intel_powerclamp kvm_intel arc4 kvm iwldvm irqbypass
mac80211 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 iwlwifi lrw glue_helper ablk_helper cryptd intel_cstate cfg80211
snd_hda_codec_hdmi snd_hda_codec_conexant intel_rapl_perf snd_hda_codec_generic
joydev input_leds serio_raw snd_hda_intel snd_hda_codec snd_hda_core
thinkpad_acpi snd_hwdep shpchp snd_pcm nvram lpc_ich snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer mei_me mei snd
soundcore mac_hid binfmt_misc coretemp parport_pc ppdev lp parport autofs4
btrfs xor raid6_pq dm_mirror dm_region_hash dm_log hid_logitech_hidpp
hid_logitech_dj hid_generic usbhid hid i915 i2c_algo_bit psmouse drm_kms_helper
firewire_ohci ahci e1000e syscopyarea sysfillrect sdhci_pci libahci sysimgblt
sdhci fb_sys_fops firewire_core ptp crc_itu_t pps_core drm wmi fjes video
May 20 13:08:23 J-TH kernel: [12436.075882] CPU: 1 PID: 2987 Comm: kworker/1:2
Tainted: G W 4.8.0-52-generic #55~16.04.1-Ubuntu
May 20 13:08:23 J-TH kernel: [12436.075884] Hardware name: LENOVO
4236D42/4236D42, BIOS 83ET76WW (1.46 ) 07/05/2013
May 20 13:08:23 J-TH kernel: [12436.075928] Workqueue: events_long
i915_hangcheck_elapsed [i915]
May 20 13:08:23 J-TH kernel: [12436.075930] 0000000000000086 00000000efed49fd
ffff9875de243dd8 ffffffff8a02e7b3
May 20 13:08:23 J-TH kernel: [12436.075936] ffff9875de243e28 0000000000000000
ffff9875de243e18 ffffffff89c8314b
May 20 13:08:23 J-TH kernel: [12436.075941] 000000b900000000 ffff9875cd370000
0000000000000003 ffff9875de252340
May 20 13:08:23 J-TH kernel: [12436.075946] Call Trace:
May 20 13:08:23 J-TH kernel: [12436.075947] <IRQ> [<ffffffff8a02e7b3>]
dump_stack+0x63/0x90
May 20 13:08:23 J-TH kernel: [12436.075957] [<ffffffff89c8314b>]
__warn+0xcb/0xf0
May 20 13:08:23 J-TH kernel: [12436.076005] [<ffffffffc0512960>] ?
__unclaimed_reg_debug+0x60/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.076011] [<ffffffff89c831cf>]
warn_slowpath_fmt+0x5f/0x80
May 20 13:08:23 J-TH kernel: [12436.076017] [<ffffffff89cc1aae>] ?
rebalance_domains+0x27e/0x2d0
May 20 13:08:23 J-TH kernel: [12436.076065] [<ffffffffc0512422>]
gen6_gt_check_fifodbg+0x42/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.076112] [<ffffffffc051245a>]
fw_domains_put_with_fifo+0x1a/0x20 [i915]
May 20 13:08:23 J-TH kernel: [12436.076159] [<ffffffffc05129b3>]
intel_uncore_fw_release_timer+0x53/0xd0 [i915]
May 20 13:08:23 J-TH kernel: [12436.076166] [<ffffffff89cf64c3>]
__hrtimer_run_queues+0xf3/0x280
May 20 13:08:23 J-TH kernel: [12436.076172] [<ffffffff89cf6c88>]
hrtimer_interrupt+0xa8/0x1a0
May 20 13:08:23 J-TH kernel: [12436.076177] [<ffffffff89c531a8>]
local_apic_timer_interrupt+0x38/0x60
May 20 13:08:23 J-TH kernel: [12436.076182] [<ffffffff8a49d21d>]
smp_apic_timer_interrupt+0x3d/0x50
May 20 13:08:23 J-TH kernel: [12436.076187] [<ffffffff8a49c532>]
apic_timer_interrupt+0x82/0x90
May 20 13:08:23 J-TH kernel: [12436.076188] <EOI> [<ffffffff8a49a495>] ?
_raw_spin_unlock_irqrestore+0x15/0x20
May 20 13:08:23 J-TH kernel: [12436.076243] [<ffffffffc0515a9f>]
gen6_read32+0xbf/0x230 [i915]
May 20 13:08:23 J-TH kernel: [12436.076307] [<ffffffffc057e2b1>]
i915_gem_record_rings+0x5e1/0xa95 [i915]
May 20 13:08:23 J-TH kernel: [12436.076361] [<ffffffffc05032f9>]
i915_capture_error_state+0x8c9/0xbc0 [i915]
May 20 13:08:23 J-TH kernel: [12436.076405] [<ffffffffc04c396d>]
i915_handle_error+0x7d/0xf0 [i915]
May 20 13:08:23 J-TH kernel: [12436.076409] [<ffffffff8a03b64d>] ?
scnprintf+0x4d/0x90
May 20 13:08:23 J-TH kernel: [12436.076492] [<ffffffffc050e63b>] ?
intel_ring_get_active_head+0x5b/0xe0 [i915]
May 20 13:08:23 J-TH kernel: [12436.076536] [<ffffffffc04c3c36>]
i915_hangcheck_elapsed+0x256/0x5f0 [i915]
May 20 13:08:23 J-TH kernel: [12436.076541] [<ffffffff89c9d89b>]
process_one_work+0x16b/0x4a0
May 20 13:08:23 J-TH kernel: [12436.076545] [<ffffffff89c9dc1b>]
worker_thread+0x4b/0x500
May 20 13:08:23 J-TH kernel: [12436.076548] [<ffffffff89c9dbd0>] ?
process_one_work+0x4a0/0x4a0
May 20 13:08:23 J-TH kernel: [12436.076551] [<ffffffff89c9dbd0>] ?
process_one_work+0x4a0/0x4a0
May 20 13:08:23 J-TH kernel: [12436.076556] [<ffffffff89ca3fb8>]
kthread+0xd8/0xf0
May 20 13:08:23 J-TH kernel: [12436.076560] [<ffffffff8a49ab1f>]
ret_from_fork+0x1f/0x40
May 20 13:08:23 J-TH kernel: [12436.076565] [<ffffffff89ca3ee0>] ?
kthread_create_on_node+0x1e0/0x1e0
May 20 13:08:23 J-TH kernel: [12436.076568] ---[ end trace 32a5f1c67cb7bee8
]---
May 20 13:08:23 J-TH kernel: [12436.126645] [drm:fw_domains_get [i915]] *ERROR*
render: timed out waiting for forcewake ack request.
May 20 13:08:23 J-TH kernel: [12436.127199] [drm:__gen6_gt_wait_for_thread_c0
[i915]] *ERROR* GT thread status wait timed out
May 20 13:08:23 J-TH kernel: [12436.127204] ------------[ cut here
]------------
May 20 13:08:23 J-TH kernel: [12436.127254] WARNING: CPU: 1 PID: 2987 at
/build/linux-hwe-X3pKE5/linux-hwe-4.8.0/drivers/gpu/drm/i915/intel_uncore.c:185
gen6_gt_check_fifodbg+0x42/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.127255] GT wake FIFO error 0x3
May 20 13:08:23 J-TH kernel: [12436.127256] Modules linked in: rfcomm ccm bnep
intel_rapl uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
videobuf2_core videodev media btusb btrtl btbcm btintel bluetooth
x86_pkg_temp_thermal intel_powerclamp kvm_intel arc4 kvm iwldvm irqbypass
mac80211 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel
aes_x86_64 iwlwifi lrw glue_helper ablk_helper cryptd intel_cstate cfg80211
snd_hda_codec_hdmi snd_hda_codec_conexant intel_rapl_perf snd_hda_codec_generic
joydev input_leds serio_raw snd_hda_intel snd_hda_codec snd_hda_core
thinkpad_acpi snd_hwdep shpchp snd_pcm nvram lpc_ich snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer mei_me mei snd
soundcore mac_hid binfmt_misc coretemp parport_pc ppdev lp parport autofs4
btrfs xor raid6_pq dm_mirror dm_region_hash dm_log hid_logitech_hidpp
hid_logitech_dj hid_generic usbhid hid i915 i2c_algo_bit psmouse drm_kms_helper
firewire_ohci ahci e1000e syscopyarea sysfillrect sdhci_pci libahci sysimgblt
sdhci fb_sys_fops firewire_core ptp crc_itu_t pps_core drm wmi fjes video
May 20 13:08:23 J-TH kernel: [12436.127360] CPU: 1 PID: 2987 Comm: kworker/1:2
Tainted: G W 4.8.0-52-generic #55~16.04.1-Ubuntu
May 20 13:08:23 J-TH kernel: [12436.127362] Hardware name: LENOVO
4236D42/4236D42, BIOS 83ET76WW (1.46 ) 07/05/2013
May 20 13:08:23 J-TH kernel: [12436.127405] Workqueue: events_long
i915_hangcheck_elapsed [i915]
May 20 13:08:23 J-TH kernel: [12436.127408] 0000000000000086 00000000efed49fd
ffff9875de243dd8 ffffffff8a02e7b3
May 20 13:08:23 J-TH kernel: [12436.127413] ffff9875de243e28 0000000000000000
ffff9875de243e18 ffffffff89c8314b
May 20 13:08:23 J-TH kernel: [12436.127419] 000000b900000000 ffff9875cd370000
0000000000000003 ffff9875de252340
May 20 13:08:23 J-TH kernel: [12436.127424] Call Trace:
May 20 13:08:23 J-TH kernel: [12436.127426] <IRQ> [<ffffffff8a02e7b3>]
dump_stack+0x63/0x90
May 20 13:08:23 J-TH kernel: [12436.127436] [<ffffffff89c8314b>]
__warn+0xcb/0xf0
May 20 13:08:23 J-TH kernel: [12436.127484] [<ffffffffc0512960>] ?
__unclaimed_reg_debug+0x60/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.127489] [<ffffffff89c831cf>]
warn_slowpath_fmt+0x5f/0x80
May 20 13:08:23 J-TH kernel: [12436.127496] [<ffffffff89cf3d6e>] ?
__next_timer_interrupt+0xae/0xe0
May 20 13:08:23 J-TH kernel: [12436.127543] [<ffffffffc0512422>]
gen6_gt_check_fifodbg+0x42/0x60 [i915]
May 20 13:08:23 J-TH kernel: [12436.127591] [<ffffffffc051245a>]
fw_domains_put_with_fifo+0x1a/0x20 [i915]
May 20 13:08:23 J-TH kernel: [12436.127639] [<ffffffffc05129b3>]
intel_uncore_fw_release_timer+0x53/0xd0 [i915]
May 20 13:08:23 J-TH kernel: [12436.127645] [<ffffffff89cf64c3>]
__hrtimer_run_queues+0xf3/0x280
May 20 13:08:23 J-TH kernel: [12436.127651] [<ffffffff89cf6c88>]
hrtimer_interrupt+0xa8/0x1a0
May 20 13:08:23 J-TH kernel: [12436.127657] [<ffffffff89c531a8>]
local_apic_timer_interrupt+0x38/0x60
May 20 13:08:23 J-TH kernel: [12436.127662] [<ffffffff8a49d21d>]
smp_apic_timer_interrupt+0x3d/0x50
May 20 13:08:23 J-TH kernel: [12436.127666] [<ffffffff8a49c532>]
apic_timer_interrupt+0x82/0x90
May 20 13:08:23 J-TH kernel: [12436.127667] <EOI> [<ffffffff8a49a495>] ?
_raw_spin_unlock_irqrestore+0x15/0x20
May 20 13:08:23 J-TH kernel: [12436.127723] [<ffffffffc0515a9f>]
gen6_read32+0xbf/0x230 [i915]
May 20 13:08:23 J-TH kernel: [12436.127787] [<ffffffffc057e2de>]
i915_gem_record_rings+0x60e/0xa95 [i915]
May 20 13:08:23 J-TH kernel: [12436.127840] [<ffffffffc05032f9>]
i915_capture_error_state+0x8c9/0xbc0 [i915]
May 20 13:08:23 J-TH kernel: [12436.127884] [<ffffffffc04c396d>]
i915_handle_error+0x7d/0xf0 [i915]
May 20 13:08:23 J-TH kernel: [12436.127888] [<ffffffff8a03b64d>] ?
scnprintf+0x4d/0x90
May 20 13:08:23 J-TH kernel: [12436.127939] [<ffffffffc050e63b>] ?
intel_ring_get_active_head+0x5b/0xe0 [i915]
May 20 13:08:23 J-TH kernel: [12436.127982] [<ffffffffc04c3c36>]
i915_hangcheck_elapsed+0x256/0x5f0 [i915]
May 20 13:08:23 J-TH kernel: [12436.127987] [<ffffffff89c9d89b>]
process_one_work+0x16b/0x4a0
May 20 13:08:23 J-TH kernel: [12436.127991] [<ffffffff89c9dc1b>]
worker_thread+0x4b/0x500
May 20 13:08:23 J-TH kernel: [12436.127994] [<ffffffff89c9dbd0>] ?
process_one_work+0x4a0/0x4a0
May 20 13:08:23 J-TH kernel: [12436.127997] [<ffffffff89c9dbd0>] ?
process_one_work+0x4a0/0x4a0
May 20 13:08:23 J-TH kernel: [12436.128002] [<ffffffff89ca3fb8>]
kthread+0xd8/0xf0
May 20 13:08:23 J-TH kernel: [12436.128006] [<ffffffff8a49ab1f>]
ret_from_fork+0x1f/0x40
May 20 13:08:23 J-TH kernel: [12436.128011] [<ffffffff89ca3ee0>] ?
kthread_create_on_node+0x1e0/0x1e0
May 20 13:08:23 J-TH kernel: [12436.128014] ---[ end trace 32a5f1c67cb7bee9
]---
May 20 13:08:23 J-TH kernel: [12436.128067] [drm] GPU HANG: ecode
6:0:0x00000000, in Xorg [993], reason: Hang on render ring, action: reset
May 20 13:08:23 J-TH kernel: [12436.128069] [drm] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
May 20 13:08:23 J-TH kernel: [12436.128070] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
May 20 13:08:23 J-TH kernel: [12436.128072] [drm] drm/i915 developers can then
reassign to the right component if it's not a kernel issue.
May 20 13:08:23 J-TH kernel: [12436.128073] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
May 20 13:08:23 J-TH kernel: [12436.128075] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
May 20 13:08:23 J-TH kernel: [12436.178155] [drm:fw_domains_get [i915]] *ERROR*
render: timed out waiting for forcewake ack request.
May 20 13:08:23 J-TH kernel: [12436.178708] [drm:__gen6_gt_wait_for_thread_c0
[i915]] *ERROR* GT thread status wait timed out
May 20 13:08:23 J-TH kernel: [12436.178730] ------------[ cut here
]------------</pre>
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