igt@i915_suspend@basic-s2idle-without-i915 - incomplete - Unclaimed read from register 0x51000, WARNING:.* at drivers/gpu/drm/i915/intel_uncore.c:\d+ __unclaimed_reg_debug
<7> [507.803808] i915 0000:03:00.0: [drm:intel_gt_probe_all [i915]] Setting up Primary GT
<3> [507.804186] i915 0000:03:00.0: [drm] *ERROR* Lost access to MMIO BAR; all registers now read back as 0xFFFFFFFF!
<7> [507.804250] i915 0000:03:00.0: [drm:intel_uncore_init_mmio [i915]] unclaimed mmio detected on uncore init, clearing
<3> [507.804333] i915 0000:03:00.0: [drm] *ERROR* Lost access to MMIO BAR; all registers now read back as 0xFFFFFFFF!
<7> [507.804353] i915 0000:03:00.0: [drm:fwtable_read32 [i915]] Unclaimed access detected before read from register 0x51000
<3> [507.804422] i915 0000:03:00.0: [drm] *ERROR* Lost access to MMIO BAR; all registers now read back as 0xFFFFFFFF!
<4> [507.804424] ------------[ cut here ]------------
<4> [507.804425] i915 0000:03:00.0: Unclaimed read from register 0x51000
<4> [507.804445] WARNING: CPU: 4 PID: 7296 at drivers/gpu/drm/i915/intel_uncore.c:1899 __unclaimed_reg_debug+0x68/0x80 [i915]
<4> [507.804506] Modules linked in: i915(+) drm_display_helper drm_kms_helper mei_pxp mei_hdcp vgem drm_shmem_helper snd_hda_codec_hdmi snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core snd_pcm prime_numbers ttm drm_buddy syscopyarea sysfillrect sysimgblt fb_sys_fops fuse x86_pkg_temp_thermal coretemp kvm_intel kvm irqbypass crct10dif_pclmul r8153_ecm crc32_pclmul e1000e cdc_ether usbnet ghash_clmulni_intel r8152 wmi_bmof i2c_i801 mii i2c_smbus ptp video pps_core intel_lpss_pci mei_me mei wmi [last unloaded: drm_kms_helper]
<4> [507.804539] CPU: 4 PID: 7296 Comm: i915_suspend Tainted: G U 6.0.0-rc7-CI_DRM_12224-g3786cccb4ae1+ #1
<4> [507.804541] Hardware name: Intel Corporation Alder Lake Client Platform/AlderLake-P DDR5 RVP, BIOS ADLPFWI1.R00.2374.A01.2109160719 09/16/2021
<4> [507.804543] RIP: 0010:__unclaimed_reg_debug+0x68/0x80 [i915]
<4> [507.804601] Code: 08 4c 8b 6f 50 4d 85 ed 75 03 4c 8b 2f e8 c0 07 e3 e0 41 89 e8 4c 89 e1 4c 89 ea 48 89 c6 48 c7 c7 80 63 b8 a0 e8 66 00 1c e1 <0f> 0b 48 8b 43 08 83 a8 34 27 00 00 01 eb a0 66 0f 1f 84 00 00 00
<4> [507.804603] RSP: 0018:ffffc9000111ba00 EFLAGS: 00010086
<4> [507.804605] RAX: 0000000000000000 RBX: ffff88812a9e2908 RCX: 0000000000000003
<4> [507.804606] RDX: 0000000080000003 RSI: ffffffff8231e8ed RDI: 00000000ffffffff
<4> [507.804607] RBP: 0000000000051000 R08: 0000000000000000 R09: c000000100009256
<4> [507.804608] R10: 00000000006c08f0 R11: ffffc9000111b898 R12: ffffffffa0bddeb3
<4> [507.804609] R13: ffff888102d51990 R14: 0000000000000001 R15: 0000000000000202
<4> [507.804610] FS: 00007f07ec530c00(0000) GS:ffff88849f200000(0000) knlGS:0000000000000000
<4> [507.804612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [507.804613] CR2: 00005567e98c0d50 CR3: 0000000200a9a003 CR4: 0000000000770ee0
<4> [507.804614] PKRU: 55555554
<4> [507.804615] Call Trace:
<4> [507.804616] <TASK>
<4> [507.804618] fwtable_read32+0x261/0x310 [i915]
<4> [507.804677] intel_device_info_runtime_init+0x1cb/0x470 [i915]
<4> [507.804737] i915_driver_probe+0x5f0/0xf00 [i915]
<4> [507.804799] ? __pm_runtime_resume+0x4f/0x80
<4> [507.804806] i915_pci_probe+0xa9/0x260 [i915]
<4> [507.804865] ? _raw_spin_unlock_irqrestore+0x3d/0x70
<4> [507.804869] pci_device_probe+0x95/0x110
<4> [507.804874] really_probe+0xd6/0x350
<4> [507.804876] ? pm_runtime_barrier+0x4b/0xa0
<4> [507.804879] __driver_probe_device+0x73/0x170
<4> [507.804882] driver_probe_device+0x1a/0x90
<4> [507.804885] __driver_attach+0xbc/0x190
<4> [507.804886] ? __device_attach_driver+0x110/0x110
<4> [507.804888] ? __device_attach_driver+0x110/0x110
<4> [507.804889] bus_for_each_dev+0x72/0xc0
<4> [507.804892] bus_add_driver+0x1bb/0x210
<4> [507.804896] driver_register+0x66/0xc0
<4> [507.804898] i915_init+0x1f/0x82 [i915]
<4> [507.804957] ? 0xffffffffa0337000
<4> [507.804959] do_one_initcall+0x53/0x2f0
<4> [507.804962] ? do_init_module+0x1d/0x1c0
<4> [507.804965] ? rcu_read_lock_sched_held+0x51/0x80
<4> [507.804968] ? kmem_cache_alloc_trace+0x1b6/0x260
<4> [507.804971] do_init_module+0x45/0x1c0
<4> [507.804974] load_module+0x1cd5/0x1ec0
<4> [507.804984] ? __do_sys_finit_module+0xaf/0x120
<4> [507.804986] __do_sys_finit_module+0xaf/0x120
<4> [507.804993] do_syscall_64+0x37/0x90
<4> [507.804995] entry_SYSCALL_64_after_hwframe+0x63/0xcd
<4> [507.804997] RIP: 0033:0x7f07eed8773d