All tests - dmesg-fail/dmesg-warn/incomplete - Unclaimed read from register 0xa504, WARNING: .* at drivers/gpu/drm/i915/intel_uncore.c:\d+ __unclaimed_reg_debug
Scroll to first warning
<6> [179.782431] [IGT] gem_exec_basic: starting dynamic subtest vecs1-lmem0
<6> [179.891265] [IGT] gem_exec_basic: exiting, ret=0
<4> [179.912467] ------------[ cut here ]------------
<4> [179.912813] i915 0000:03:00.0: Unclaimed read from register 0xa504
<4> [179.912856] WARNING: CPU: 3 PID: 84 at drivers/gpu/drm/i915/intel_uncore.c:1512 __unclaimed_reg_debug+0x69/0x80 [i915]
<4> [179.913146] Modules linked in: fuse snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi i915 mei_hdcp ttm x86_pkg_temp_thermal drm_buddy drm_dp_helper coretemp crct10dif_pclmul drm_kms_helper syscopyarea crc32_pclmul sysfillrect sysimgblt ghash_clmulni_intel smsc75xx snd_hda_intel fb_sys_fops snd_intel_dspcfg prime_numbers usbnet mii snd_hda_codec snd_hwdep snd_hda_core mei_me e1000e snd_pcm i2c_i801 ptp mei i2c_smbus pps_core intel_lpss_pci
<4> [179.913286] CPU: 3 PID: 84 Comm: kworker/u12:4 Not tainted 5.17.0-rc6-CI-CI_DRM_11297+ #1
<4> [179.913295] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021
<4> [179.913300] Workqueue: events_unbound destroyed_worker_func [i915]
<4> [179.913680] RIP: 0010:__unclaimed_reg_debug+0x69/0x80 [i915]
<4> [179.913932] Code: 48 8b 78 08 4c 8b 67 50 4d 85 e4 74 2c e8 3f e7 40 e1 45 89 e8 48 89 e9 4c 89 e2 48 89 c6 48 c7 c7 d0 f3 55 a0 e8 03 42 78 e1 <0f> 0b 48 8b 43 08 83 a8 74 0d 00 00 01 eb a7 4c 8b 27 eb cf 0f 1f
<4> [179.913940] RSP: 0018:ffffc9000085bd00 EFLAGS: 00010086
<4> [179.913949] RAX: 0000000000000000 RBX: ffff88812e530ee8 RCX: 0000000000000004
<4> [179.913954] RDX: 0000000080000004 RSI: ffffffff82311ebd RDI: 00000000ffffffff
<4> [179.913960] RBP: ffffffffa05b2b51 R08: ffff88810618df10 R09: 00000000fffffffe
<4> [179.913965] R10: 0000000013a2c6d1 R11: 00000000e094c9b7 R12: ffff888102d8f880
<4> [179.913970] R13: 000000000000a504 R14: 000000000000002d R15: 0000000000000006
<4> [179.913976] FS: 0000000000000000(0000) GS:ffff88846d780000(0000) knlGS:0000000000000000
<4> [179.913982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [179.913988] CR2: 0000563fd7a08e48 CR3: 0000000006612004 CR4: 00000000003706e0
<4> [179.913993] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [179.913998] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4> [179.914003] Call Trace:
<4> [179.914008] <TASK>
<4> [179.914022] fwtable_read32+0x24c/0x2e0 [i915]
<4> [179.914284] guc_update_pm_timestamp+0x48/0x110 [i915]
<4> [179.914665] intel_guc_busyness_unpark+0x43/0x90 [i915]
<4> [179.915030] ? lockdep_hardirqs_on+0xbf/0x130
<4> [179.915050] __gt_unpark+0x7b/0x1c0 [i915]
<4> [179.915343] __intel_wakeref_get_first+0x43/0xb0 [i915]
<4> [179.915603] destroyed_worker_func+0x23b/0x390 [i915]
<4> [179.915981] process_one_work+0x272/0x5c0
<4> [179.916021] worker_thread+0x37/0x370
<4> [179.916038] ? process_one_work+0x5c0/0x5c0
<4> [179.916047] kthread+0xed/0x120
<4> [179.916054] ? kthread_complete_and_exit+0x20/0x20
<4> [179.916070] ret_from_fork+0x1f/0x30
<4> [179.916122] </TASK>
<4> [179.916126] irq event stamp: 1502630
<4> [179.916130] hardirqs last enabled at (1502629): [<ffffffff81aeec1f>] _raw_spin_unlock_irq+0x1f/0x40
<4> [179.916140] hardirqs last disabled at (1502630): [<ffffffff81aeea57>] _raw_spin_lock_irqsave+0x47/0x50
<4> [179.916147] softirqs last enabled at (1502216): [<ffffffff81e0032d>] __do_softirq+0x32d/0x493
<4> [179.916157] softirqs last disabled at (1502211): [<ffffffff810b8db6>] irq_exit_rcu+0xa6/0xe0
<4> [179.916164] ---[ end trace 0000000000000000 ]---Edited by SAI NANDAN