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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [CI] igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-[a|b] - dmesg-warn - Unclaimed read from register 0x1f0050 - WARNING: CPU: 3 PID: 260 at drivers/gpu/drm/i915/intel_uncore.c:1070 __unclaimed_reg_debug+0x3b/0x50 [i915]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105553">105553</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[CI] igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-[a|b] - dmesg-warn - Unclaimed read from register 0x1f0050 - WARNING: CPU: 3 PID: 260 at drivers/gpu/drm/i915/intel_uncore.c:1070 __unclaimed_reg_debug+0x3b/0x50 [i915]
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI 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>marta.lofstedt@intel.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><a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-j1900/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-a.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-j1900/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-a.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-n2820/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-a.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-n2820/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-a.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-n2820/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-b.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-n2820/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-b.html</a>
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-j1900/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-b.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_1/fi-byt-j1900/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-b.html</a>
[ 587.040736] i915 0000:00:02.0: Resetting chip after gpu hang
[ 587.049374] ------------[ cut here ]------------
[ 587.049438] Unclaimed read from register 0x1f0050
[ 587.049562] WARNING: CPU: 3 PID: 260 at
drivers/gpu/drm/i915/intel_uncore.c:1070 __unclaimed_reg_debug+0x3b/0x50 [i915]
[ 587.049570] Modules linked in: snd_hda_intel i915 vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic intel_powerclamp coretemp
snd_hda_codec crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hwdep
snd_hda_core r8169 mii snd_pcm lpc_ich prime_numbers i2c_hid [last unloaded:
i915]
[ 587.049688] CPU: 3 PID: 260 Comm: kworker/3:3 Tainted: G U
4.16.0-rc5-g613eb885b69e-drmtip_1+ #1
[ 587.049694] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F6
02/17/2015
[ 587.049770] Workqueue: events_long i915_hangcheck_elapsed [i915]
[ 587.049847] RIP: 0010:__unclaimed_reg_debug+0x3b/0x50 [i915]
[ 587.049853] RSP: 0018:ffffaa914048b9e0 EFLAGS: 00010086
[ 587.049863] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
[ 587.049870] RDX: 0000000080000002 RSI: ffffffff90076536 RDI:
00000000ffffffff
[ 587.049877] RBP: 00000000001f0050 R08: 0000000000000000 R09:
0000000000000001
[ 587.049882] R10: ffffaa914048b978 R11: 0000000000000001 R12:
0000000000000001
[ 587.049891] R13: ffffa2e99e040cd8 R14: 00000000ffffffff R15:
0000000000000206
[ 587.049897] FS: 0000000000000000(0000) GS:ffffa2e9bfd80000(0000)
knlGS:0000000000000000
[ 587.049902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 587.049907] CR2: 00007fd6620ff158 CR3: 000000012d734000 CR4:
00000000001006e0
[ 587.049912] Call Trace:
[ 587.049990] fwtable_read32+0x214/0x290 [i915]
[ 587.050063] vlv_wm_get_hw_state+0x3a/0x970 [i915]
[ 587.050145] intel_modeset_setup_hw_state+0xe59/0xf70 [i915]
[ 587.050233] __intel_display_resume+0x19/0xc0 [i915]
[ 587.050311] intel_finish_reset+0x100/0x170 [i915]
[ 587.050383] i915_reset_device+0x1dd/0x230 [i915]
[ 587.050457] ? __intel_get_crtc_scanline+0x1f0/0x1f0 [i915]
[ 587.050476] ? work_on_cpu_safe+0x50/0x50
[ 587.050554] i915_handle_error+0x2d3/0x430 [i915]
[ 587.050588] ? scnprintf+0x3a/0x70
[ 587.050671] hangcheck_declare_hang+0xc0/0xd0 [i915]
[ 587.050747] ? fwtable_read32+0x21e/0x290 [i915]
[ 587.050832] i915_hangcheck_elapsed+0x2ee/0x310 [i915]
[ 587.050856] process_one_work+0x215/0x620
[ 587.050882] worker_thread+0x48/0x3a0
[ 587.050900] kthread+0xfb/0x130
[ 587.050906] ? process_one_work+0x620/0x620
[ 587.050913] ? _kthread_create_on_node+0x30/0x30
[ 587.050926] ret_from_fork+0x3a/0x50
[ 587.050954] Code: 3c 01 75 30 84 db 75 2c 45 84 e4 48 c7 c0 d5 3b 73 c0 48
c7 c6 cb 3b 73 c0 48 0f 44 f0 89 ea 48 c7 c7 de 3b 73 c0 e8 25 bb a1 ce <0f> 0b
83 2d 6c 33 18 00 01 5b 5d 41 5c c3 0f 1f 80 00 00 00 00
[ 587.051337] WARNING: CPU: 3 PID: 260 at
drivers/gpu/drm/i915/intel_uncore.c:1070 __unclaimed_reg_debug+0x3b/0x50 [i915]
[ 587.051342] ---[ end trace d07e938faabc14cb ]---</pre>
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