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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [BAT] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a - dmesg-warn - Unclaimed read from register 0x71240 -WARNING: CPU: 7 PID: 3246 at drivers/gpu/drm/i915/intel_uncore.c:986 __unclaimed_reg_debug+0x3b/0x50 [i915]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=104172">104172</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BAT] igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a - dmesg-warn - Unclaimed read from register 0x71240 -WARNING: CPU: 7 PID: 3246 at drivers/gpu/drm/i915/intel_uncore.c:986 __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/CI_DRM_3480/fi-kbl-r/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html">https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3480/fi-kbl-r/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html</a>
<6>[ 464.323758] serial 00:06: activated
<4>[ 464.323772] ------------[ cut here ]------------
<4>[ 464.323784] Unclaimed read from register 0x71240
<4>[ 464.323814] WARNING: CPU: 7 PID: 3246 at
drivers/gpu/drm/i915/intel_uncore.c:986 __unclaimed_reg_debug+0x3b/0x50 [i915]
<4>[ 464.323815] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic asix usbnet mii i915
x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul
snd_hda_intel ghash_clmulni_intel snd_hda_codec snd_hwdep e1000e snd_hda_core
snd_pcm mei_me ptp mei pps_core prime_numbers pinctrl_sunrisepoint
pinctrl_intel
<4>[ 464.323845] CPU: 7 PID: 3246 Comm: kworker/u16:39 Tainted: G U
4.15.0-rc2-CI-CI_DRM_3480+ #1
<4>[ 464.323846] Hardware name: Intel Corporation Kabylake Client
platform/Kabylake R DDR4 RVP, BIOS KBLSE2R1.R00.X078.P02.1703030515 03/03/2017
<4>[ 464.323849] Workqueue: events_unbound async_run_entry_fn
<4>[ 464.323851] task: 000000000b2371bc task.stack: 00000000aac1762f
<4>[ 464.323868] RIP: 0010:__unclaimed_reg_debug+0x3b/0x50 [i915]
<4>[ 464.323869] RSP: 0018:ffffc900008bfb10 EFLAGS: 00010086
<4>[ 464.323871] RAX: 0000000000000024 RBX: 0000000000000000 RCX:
0000000000000002
<4>[ 464.323872] RDX: 0000000000000000 RSI: ffffffff81d057c9 RDI:
ffffffff81cb6b16
<4>[ 464.323873] RBP: 0000000000071240 R08: 0000000000000000 R09:
0000000000000001
<4>[ 464.323874] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000000000001
<4>[ 464.323875] R13: ffff8802ab100ca8 R14: 0000000000000000 R15:
0000000000000206
<4>[ 464.323877] FS: 0000000000000000(0000) GS:ffff8802bedc0000(0000)
knlGS:0000000000000000
<4>[ 464.323878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 464.323879] CR2: 00005643ea472028 CR3: 0000000003e10005 CR4:
00000000003606e0
<4>[ 464.323880] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[ 464.323881] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[ 464.323882] Call Trace:
<4>[ 464.323900] fwtable_read32+0x214/0x290 [i915]
<4>[ 464.323915] skl_pipe_wm_get_hw_state+0xc9/0x1e0 [i915]
<4>[ 464.323932] skl_wm_get_hw_state+0x4d/0xd0 [i915]
<4>[ 464.323952] intel_modeset_setup_hw_state+0xee8/0xf80 [i915]
<4>[ 464.323959] ? pci_pm_suspend_late+0x30/0x30
<4>[ 464.323976] __intel_display_resume+0x19/0xc0 [i915]
<4>[ 464.323994] intel_display_resume+0xbc/0xf0 [i915]
<4>[ 464.323997] ? __mutex_unlock_slowpath+0x38/0x270
<4>[ 464.324014] i915_pm_restore+0xc4/0x140 [i915]
<4>[ 464.324017] dpm_run_callback+0x5f/0x310
<4>[ 464.324021] device_resume+0xa3/0x1b0
<4>[ 464.324025] ? dpm_watchdog_set+0x60/0x60
<4>[ 464.324030] async_resume+0x14/0x40
<4>[ 464.324032] async_run_entry_fn+0x2e/0x160
<4>[ 464.324035] process_one_work+0x227/0x650
<4>[ 464.324041] worker_thread+0x48/0x3a0
<4>[ 464.324046] kthread+0x173/0x1b0
<4>[ 464.324048] ? process_one_work+0x650/0x650
<4>[ 464.324049] ? _kthread_create_on_node+0x30/0x30
<4>[ 464.324052] ret_from_fork+0x24/0x30
<4>[ 464.324060] Code: 3c 01 75 30 84 db 75 2c 45 84 e4 48 c7 c0 3a d1 2b a0
48 c7 c6 30 d1 2b a0 48 0f 44 f0 89 ea 48 c7 c7 43 d1 2b a0 e8 f5 93 e7 e0 <0f>
ff 83 2d 3c 78 16 00 01 5b 5d 41 5c c3 0f 1f 80 00 00 00 00
<4>[ 464.324119] ---[ end trace 5d435f000ce4dd4e ]---</pre>
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