[Bug 112154] New: [CI][DRMTIP]igt at kms_busy@extended-modeset-hang-newfb-with-reset-render-a - dmesg-warn - Unclaimed write to register 0x1f0050

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112154

            Bug ID: 112154
           Summary: [CI][DRMTIP]igt at kms_busy@extended-modeset-hang-newfb-w
                    ith-reset-render-a - dmesg-warn -  Unclaimed write to
                    register 0x1f0050
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: not set
          Priority: not set
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_393/fi-byt-j1900/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-a.html
4> [230.758897] Unclaimed write to register 0x1f0050
<4> [230.759049] WARNING: CPU: 1 PID: 155 at
drivers/gpu/drm/i915/intel_uncore.c:1163 __unclaimed_reg_debug+0x40/0x50 [i915]
<4> [230.759056] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 snd_hda_intel btusb btrtl
snd_intel_nhlt btbcm btintel snd_hda_codec coretemp bluetooth snd_hwdep
crct10dif_pclmul crc32_pclmul snd_hda_core ghash_clmulni_intel ecdh_generic ecc
r8169 snd_pcm realtek lpc_ich prime_numbers i2c_hid
<4> [230.759106] CPU: 1 PID: 155 Comm: kworker/1:2 Tainted: G     U           
5.4.0-rc4-g58747eccea06-drmtip_393+ #1
<4> [230.759113] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F6
02/17/2015
<4> [230.759208] Workqueue: events heartbeat [i915]
<4> [230.759301] RIP: 0010:__unclaimed_reg_debug+0x40/0x50 [i915]
<4> [230.759310] Code: 74 05 5b 5d 41 5c c3 45 84 e4 48 c7 c0 1b ff 78 c0 48 c7
c6 11 ff 78 c0 48 0f 44 f0 89 ea 48 c7 c7 24 ff 78 c0 e8 60 87 b0 f1 <0f> 0b 83
2d 37 3f 28 00 01 5b 5d 41 5c c3 66 90 41 55 41 54 55 53
<4> [230.759316] RSP: 0018:ffffb7d400407910 EFLAGS: 00010086
<4> [230.759324] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000003
<4> [230.759331] RDX: 0000000080000003 RSI: 0000000000000000 RDI:
00000000ffffffff
<4> [230.759337] RBP: 00000000001f0050 R08: 0000000000000000 R09:
0000000000000001
<4> [230.759344] R10: 00000000aeb374cd R11: 00000000d5224058 R12:
0000000000000000
<4> [230.759350] R13: 0000000082828282 R14: 0000000000000206 R15:
0000000000000001
<4> [230.759357] FS:  0000000000000000(0000) GS:ffff96f07ba80000(0000)
knlGS:0000000000000000
<4> [230.759364] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [230.759371] CR2: 00005574cbb6b010 CR3: 0000000129560000 CR4:
00000000001006e0
<4> [230.759377] Call Trace:
<4> [230.759477]  gen6_write32+0x235/0x2d0 [i915]
<4> [230.759577]  vlv_program_watermarks+0x243/0x770 [i915]
<4> [230.759695]  vlv_optimize_watermarks+0xc0/0xd0 [i915]
<4> [230.759804]  intel_atomic_commit_tail+0x3ef/0x1490 [i915]
<4> [230.759820]  ? flush_workqueue+0x236/0x530
<4> [230.759830]  ? lockdep_hardirqs_on+0xe3/0x1c0
<4> [230.759963]  intel_atomic_commit+0x317/0x350 [i915]
<4> [230.759988]  drm_atomic_helper_commit_duplicated_state+0xc4/0xd0
<4> [230.760095]  __intel_display_resume+0x7d/0xc0 [i915]
<4> [230.760208]  intel_finish_reset+0x49/0x140 [i915]
<4> [230.760311]  intel_gt_reset_global+0xe8/0x150 [i915]
<4> [230.760421]  ? intel_gt_set_wedged+0x70/0x70 [i915]
<4> [230.760441]  ? queue_work_node+0x70/0x70
<4> [230.760557]  intel_gt_handle_error+0x199/0x3d0 [i915]
<4> [230.760574]  ? _raw_spin_unlock_irq+0x2a/0x50
<4> [230.760694]  ? heartbeat+0xd4/0x600 [i915]
<4> [230.760801]  heartbeat+0x43c/0x600 [i915]
<4> [230.760814]  ? __drm_printfn_info+0x20/0x20
<4> [230.760837]  process_one_work+0x26a/0x620
<4> [230.760864]  worker_thread+0x37/0x380
<4> [230.760880]  ? process_one_work+0x620/0x620
<4> [230.760888]  kthread+0x119/0x130
<4> [230.760897]  ? kthread_park+0x80/0x80
<4> [230.760911]  ret_from_fork+0x3a/0x50
<4> [230.760948] irq event stamp: 3854118
<4> [230.760956] hardirqs last  enabled at (3854117): [<ffffffffb2a06e7c>]
_raw_spin_unlock_irqrestore+0x4c/0x60
<4> [230.760965] hardirqs last disabled at (3854118): [<ffffffffb2a06bed>]
_raw_spin_lock_irqsave+0xd/0x50
<4> [230.760973] softirqs last  enabled at (3854048): [<ffffffffb2e00385>]
__do_softirq+0x385/0x47f
<4> [230.760981] softirqs last disabled at (3854001): [<ffffffffb20bc9ca>]
irq_exit+0xba/0xc0
<4> [230.760988] ---[ end trace b4cb505ad2e037b1 ]---

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