[Bug 101516] New: [BAT][BYT] WARN intel_uncore.c:792 __unclaimed_reg_debug (reg 0x18650c)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Tue Jun 20 13:24:13 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=101516
Bug ID: 101516
Summary: [BAT][BYT] WARN intel_uncore.c:792
__unclaimed_reg_debug (reg 0x18650c)
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Intel
Assignee: intel-gfx-bugs at lists.freedesktop.org
Reporter: martin.peres at free.fr
QA Contact: intel-gfx-bugs at lists.freedesktop.org
CC: intel-gfx-bugs at lists.freedesktop.org
Our two baytrails starting reporting the following warning randomly when
running igt at kms_pipe_crc_basic@suspend-read-crc-pipe-b, starting from
CI_DRM_2743:
[ 502.355408] Unclaimed read from register 0x18650c
[ 502.355489] ------------[ cut here ]------------
[ 502.355548] WARNING: CPU: 1 PID: 62 at
drivers/gpu/drm/i915/intel_uncore.c:792 __unclaimed_reg_debug+0x3e/0x50 [i915]
[ 502.355553] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 intel_powerclamp coretemp crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep
snd_hda_core r8169 mii snd_pcm lpc_ich prime_numbers i2c_hid
i2c_designware_platform i2c_designware_core
[ 502.355645] CPU: 1 PID: 62 Comm: kworker/u4:1 Tainted: G U W
4.12.0-rc6-CI-CI_DRM_2744+ #1
[ 502.355649] Hardware name:
\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff
\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff/DN2820FYK,
BIOS FYBYT10H.86A.0056.2016.1122.1846 11/22/2016
[ 502.355657] Workqueue: events_unbound async_run_entry_fn
[ 502.355665] task: ffff880138c38040 task.stack: ffffc900001a4000
[ 502.355721] RIP: 0010:__unclaimed_reg_debug+0x3e/0x50 [i915]
[ 502.355725] RSP: 0018:ffffc900001a79b0 EFLAGS: 00010082
[ 502.355733] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
[ 502.355738] RDX: 0000000000000000 RSI: ffffffff81cba051 RDI:
ffffffff81c99767
[ 502.355742] RBP: ffffc900001a79c8 R08: 0000000000000000 R09:
0000000000000001
[ 502.355746] R10: ffffc900001a7940 R11: 1879041800000000 R12:
000000000018650c
[ 502.355750] R13: 0000000000000001 R14: 00000000ffffffff R15:
ffff88012b700b98
[ 502.355755] FS: 0000000000000000(0000) GS:ffff88013fd00000(0000)
knlGS:0000000000000000
[ 502.355759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 502.355764] CR2: 0000000000000000 CR3: 000000011cec8000 CR4:
00000000001006e0
[ 502.355768] Call Trace:
[ 502.355827] fwtable_read32+0x278/0x2c0 [i915]
[ 502.355888] vlv_program_pfi_credits+0x6c/0xc0 [i915]
[ 502.355946] vlv_set_cdclk+0x174/0x280 [i915]
[ 502.356006] intel_set_cdclk+0x5d/0x90 [i915]
[ 502.356064] intel_atomic_commit_tail+0xa9f/0xf70 [i915]
[ 502.356134] intel_atomic_commit+0x3fb/0x500 [i915]
[ 502.356144] ? drm_atomic_check_only+0x420/0x560
[ 502.356197] ? intel_runtime_pm_put+0x51/0xa0 [i915]
[ 502.356206] drm_atomic_commit+0x46/0x50
[ 502.356215] drm_atomic_helper_commit_duplicated_state+0xbf/0xd0
[ 502.356272] __intel_display_resume+0x81/0xc0 [i915]
[ 502.356331] intel_display_resume+0xca/0xf0 [i915]
[ 502.356391] i915_pm_restore+0xef/0x190 [i915]
[ 502.356442] i915_pm_resume+0x9/0x10 [i915]
[ 502.356449] pci_pm_resume+0x5f/0x90
[ 502.356458] dpm_run_callback+0x6f/0x330
[ 502.356463] ? pci_pm_thaw+0x90/0x90
[ 502.356472] device_resume+0xac/0x1e0
[ 502.356480] ? dpm_watchdog_set+0x60/0x60
[ 502.356492] async_resume+0x18/0x40
[ 502.356498] async_run_entry_fn+0x34/0x160
[ 502.356508] process_one_work+0x1fe/0x670
[ 502.356520] worker_thread+0x49/0x3b0
[ 502.356533] kthread+0x10f/0x150
[ 502.356538] ? process_one_work+0x670/0x670
[ 502.356544] ? kthread_create_on_node+0x40/0x40
[ 502.356550] ? kthread_create_on_node+0x40/0x40
[ 502.356558] ret_from_fork+0x27/0x40
[ 502.356574] Code: de ff ff 38 d8 76 2d 45 84 ed 48 c7 c0 98 d7 20 a0 48 c7
c6 a2 d7 20 a0 48 0f 45 f0 44 89 e2 48 c7 c7 ab d7 20 a0 e8 db 44 04 e1 <0f> ff
83 2d 45 20 12 00 01 5b 41 5c 41 5d 5d c3 66 90 55 48 89
[ 502.356811] ---[ end trace adf55d54b569cff4 ]---
[ 502.356849] WARN_ON(dev_priv->uncore.funcs.mmio_readl(dev_priv, (((const
i915_reg_t){ .reg = (0x180000 + 0x650C) })), true) & (1 << 27))
[ 502.356882] ------------[ cut here ]------------
[ 502.356941] WARNING: CPU: 1 PID: 62 at
drivers/gpu/drm/i915/intel_cdclk.c:485 vlv_program_pfi_credits+0xb4/0xc0 [i915]
[ 502.356946] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 intel_powerclamp coretemp crct10dif_pclmul
crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec snd_hwdep
snd_hda_core r8169 mii snd_pcm lpc_ich prime_numbers i2c_hid
i2c_designware_platform i2c_designware_core
[ 502.357044] CPU: 1 PID: 62 Comm: kworker/u4:1 Tainted: G U W
4.12.0-rc6-CI-CI_DRM_2744+ #1
[ 502.357049] Hardware name:
\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff
\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff\xffffffff/DN2820FYK,
BIOS FYBYT10H.86A.0056.2016.1122.1846 11/22/2016
[ 502.357055] Workqueue: events_unbound async_run_entry_fn
[ 502.357064] task: ffff880138c38040 task.stack: ffffc900001a4000
[ 502.357120] RIP: 0010:vlv_program_pfi_credits+0xb4/0xc0 [i915]
[ 502.357151] RSP: 0018:ffffc900001a7a18 EFLAGS: 00010296
[ 502.357161] RAX: 000000000000007c RBX: ffff88012b700000 RCX:
0000000000000006
[ 502.357166] RDX: 0000000000000006 RSI: ffffffff81cba051 RDI:
ffffffff81c99767
[ 502.357170] RBP: ffffc900001a7a28 R08: 0000000000000000 R09:
0000000000000001
[ 502.357175] R10: 0000000000000000 R11: 0000000000000000 R12:
0000000008004000
[ 502.357180] R13: ffff88012b704340 R14: 0000000100031680 R15:
0000000000030d40
[ 502.357185] FS: 0000000000000000(0000) GS:ffff88013fd00000(0000)
knlGS:0000000000000000
[ 502.357190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 502.357195] CR2: 0000000000000000 CR3: 000000011cec8000 CR4:
00000000001006e0
[ 502.357200] Call Trace:
[ 502.357260] vlv_set_cdclk+0x174/0x280 [i915]
[ 502.357321] intel_set_cdclk+0x5d/0x90 [i915]
[ 502.357380] intel_atomic_commit_tail+0xa9f/0xf70 [i915]
[ 502.357451] intel_atomic_commit+0x3fb/0x500 [i915]
[ 502.357460] ? drm_atomic_check_only+0x420/0x560
[ 502.357513] ? intel_runtime_pm_put+0x51/0xa0 [i915]
[ 502.357523] drm_atomic_commit+0x46/0x50
[ 502.357532] drm_atomic_helper_commit_duplicated_state+0xbf/0xd0
[ 502.357589] __intel_display_resume+0x81/0xc0 [i915]
[ 502.357649] intel_display_resume+0xca/0xf0 [i915]
[ 502.357709] i915_pm_restore+0xef/0x190 [i915]
[ 502.357761] i915_pm_resume+0x9/0x10 [i915]
[ 502.357768] pci_pm_resume+0x5f/0x90
[ 502.357777] dpm_run_callback+0x6f/0x330
[ 502.357783] ? pci_pm_thaw+0x90/0x90
[ 502.357792] device_resume+0xac/0x1e0
[ 502.357802] ? dpm_watchdog_set+0x60/0x60
[ 502.357814] async_resume+0x18/0x40
[ 502.357821] async_run_entry_fn+0x34/0x160
[ 502.357830] process_one_work+0x1fe/0x670
[ 502.357843] worker_thread+0x49/0x3b0
[ 502.357856] kthread+0x10f/0x150
[ 502.357862] ? process_one_work+0x670/0x670
[ 502.357868] ? kthread_create_on_node+0x40/0x40
[ 502.357876] ? kthread_create_on_node+0x40/0x40
[ 502.357883] ret_from_fork+0x27/0x40
[ 502.357899] Code: 52 00 00 ba 00 40 00 40 41 bc 00 40 00 98 73 97 41 bc 00
00 00 40 eb 88 48 c7 c6 b0 67 22 a0 48 c7 c7 2c e0 20 a0 e8 a5 5a 03 e1 <0f> ff
5b 41 5c 5d c3 0f 1f 44 00 00 55 31 d2 48 89 e5 53 48 83
[ 502.358204] ---[ end trace adf55d54b569cff5 ]---
Full results:
-
https://intel-gfx-ci.01.org/CI/CI_DRM_2744/fi-byt-n2820/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html
-
https://intel-gfx-ci.01.org/CI/CI_DRM_2743/fi-byt-j1900/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html
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