igt@gem_exec_parse_blt@allowed-single - dmesg-warn - Unclaimed write to register 0x220a8
<4> [935.468502] ------------[ cut here ]------------
<4> [935.468679] Unclaimed write to register 0x220a8
<4> [935.468837] WARNING: CPU: 2 PID: 4161 at drivers/gpu/drm/i915/intel_uncore.c:1163 __unclaimed_reg_debug+0x40/0x50 [i915]
<4> [935.468845] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic mei_hdcp i915 x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel snd_intel_dspcfg snd_hda_codec ghash_clmulni_intel snd_hwdep snd_hda_core lpc_ich r8169 realtek snd_pcm mei_me mei prime_numbers intel_lpss_pci pinctrl_broxton pinctrl_intel
<4> [935.468891] CPU: 2 PID: 4161 Comm: gem_exec_parse_ Tainted: G U 5.4.0-rc8-CI-CI_DRM_7467+ #1
<4> [935.468897] Hardware name: /NUC6CAYB, BIOS AYAPLCEL.86A.0049.2018.0508.1356 05/08/2018
<4> [935.469002] RIP: 0010:__unclaimed_reg_debug+0x40/0x50 [i915]
<4> [935.469010] Code: 74 05 5b 5d 41 5c c3 45 84 e4 48 c7 c0 1a 6b 37 a0 48 c7 c6 10 6b 37 a0 48 0f 44 f0 89 ea 48 c7 c7 23 6b 37 a0 e8 50 55 f3 e0 <0f> 0b 83 2d 17 2f 2a 00 01 5b 5d 41 5c c3 66 90 41 55 41 54 55 53
<4> [935.469016] RSP: 0018:ffffc9000099fad0 EFLAGS: 00010082
<4> [935.469023] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000006
<4> [935.469028] RDX: 0000000080000006 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [935.469034] RBP: 00000000000220a8 R08: 0000000000000000 R09: 0000000000000001
<4> [935.469040] R10: ffffc9000099fa98 R11: 0000000017b8eaae R12: 0000000000000000
<4> [935.469045] R13: 00000000fefeffff R14: 0000000000000086 R15: ffff888258362000
<4> [935.469051] FS: 00007fdbf49b7e40(0000) GS:ffff888277b00000(0000) knlGS:0000000000000000
<4> [935.469057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [935.469063] CR2: 00007fb73b250778 CR3: 00000001f47fe000 CR4: 00000000003406e0
<4> [935.469068] Call Trace:
<4> [935.469171] fwtable_write32+0x114/0x1d0 [i915]
<4> [935.469289] ? irq_execute_cb+0x20/0x20 [i915]
<4> [935.469393] gen8_logical_ring_enable_irq+0x30/0x50 [i915]
<4> [935.469493] irq_enable.part.10+0x23/0x40 [i915]
<4> [935.469592] i915_request_enable_breadcrumb+0xb5/0x330 [i915]
<4> [935.469708] ? irq_execute_cb+0x20/0x20 [i915]
<4> [935.469824] ? irq_execute_cb+0x20/0x20 [i915]
<4> [935.469838] __dma_fence_enable_signaling+0x60/0x160
<4> [935.469954] ? irq_execute_cb+0x20/0x20 [i915]
<4> [935.469961] dma_fence_add_callback+0x44/0xd0
<4> [935.470083] i915_request_wait+0x144/0x8a0 [i915]
<4> [935.470091] ? dma_resv_get_fences_rcu+0xc4/0x550
<4> [935.470217] i915_gem_object_wait+0xcc/0x440 [i915]
<4> [935.470344] i915_gem_pwrite_ioctl+0x291/0x7f0 [i915]
<4> [935.470354] ? drm_dev_exit+0x8/0x40
<4> [935.470477] ? i915_gem_gtt_pwrite_fast+0x770/0x770 [i915]
<4> [935.470489] drm_ioctl_kernel+0xa7/0xf0
<4> [935.470506] drm_ioctl+0x2e1/0x390
<4> [935.470627] ? i915_gem_gtt_pwrite_fast+0x770/0x770 [i915]
<4> [935.470647] ? __handle_mm_fault+0x8b1/0xff0
<4> [935.470670] do_vfs_ioctl+0xa0/0x6f0
<4> [935.470679] ? __do_page_fault+0x2da/0x4f0
<4> [935.470702] ksys_ioctl+0x35/0x60
<4> [935.470716] __x64_sys_ioctl+0x11/0x20
<4> [935.470724] do_syscall_64+0x4f/0x210
<4> [935.470734] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [935.470741] RIP: 0033:0x7fdbf3c345d7
<4> [935.470748] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [935.470754] RSP: 002b:00007ffd397fbea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
<4> [935.470761] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbf3c345d7
<4> [935.470767] RDX: 00007ffd397fbee0 RSI: 000000004020645d RDI: 0000000000000005
<4> [935.470772] RBP: 00007ffd397fbee0 R08: 0000000000000010 R09: 00007fdbf45cb4a0
<4> [935.470778] R10: 0000000000000056 R11: 0000000000000246 R12: 000000004020645d
<4> [935.470783] R13: 0000000000000005 R14: 0000000000000000 R15: 00007ffd39802570
<4> [935.470814] irq event stamp: 48034
<4> [935.470823] hardirqs last enabled at (48033): [<ffffffff8124078d>] __slab_alloc.isra.84.constprop.89+0x4d/0x70
<4> [935.470830] hardirqs last disabled at (48034): [<ffffffff819e9ffd>] _raw_spin_lock_irqsave+0xd/0x50
<4> [935.470945] softirqs last enabled at (48004): [<ffffffffa0226cfd>] i915_request_add+0xbd/0x390 [i915]
<4> [935.471059] softirqs last disabled at (47962): [<ffffffffa0226cfd>] i915_request_add+0xbd/0x390 [i915]
<4> [935.471065] ---[ end trace 44dfb7e8c47dec4c ]---
<5> [935.473249] Setting dangerous option reset - tainting kernel
<6> [935.481427] [IGT] gem_exec_parse_blt: exiting, ret=0
<5> [935.482079] Setting dangerous option reset - tainting kernel
<6> [935.517997] Console: switching to colour frame buffer device 240x67
Edited by LAKSHMINARAYANA VUDUM