GitLab

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_432/fi-bsw-nick/igt@gem_mmap_gtt@hang.html

4> [118.069614] i915 0000:00:02.0: Unclaimed read from register 0x1f00c8
<4> [118.069789] WARNING: CPU: 1 PID: 1082 at drivers/gpu/drm/i915/intel_uncore.c:1166 __unclaimed_reg_debug+0x69/0x80 [i915]
<4> [118.069796] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl i915 btbcm btintel bluetooth coretemp crct10dif_pclmul snd_hda_intel snd_intel_dspcfg crc32_pclmul ghash_clmulni_intel ecdh_generic ecc snd_hda_codec snd_hwdep r8169 snd_hda_core realtek snd_pcm lpc_ich i2c_designware_pci prime_numbers pinctrl_cherryview
<4> [118.069843] CPU: 1 PID: 1082 Comm: gem_mmap_gtt Tainted: G     U            5.5.0-gc53ff44eb14e-drmtip_432+ #1
<4> [118.069849] Hardware name:  /NUC5CPYB, BIOS PYBSWCEL.86A.0055.2016.0812.1130 08/12/2016
<4> [118.069953] RIP: 0010:__unclaimed_reg_debug+0x69/0x80 [i915]
<4> [118.069961] Code: 48 8b 78 18 48 8b 5f 50 48 85 db 74 2d e8 8f a0 3e fc 45 89 e8 48 89 e9 48 89 da 48 89 c6 48 c7 c7 b8 15 4c c0 e8 b7 8c dc fb <0f> 0b 83 2d 1e 22 2c 00 01 5b 5d 41 5c 41 5d c3 48 8b 1f eb ce 66
<4> [118.069967] RSP: 0000:ffff8a75403cfbb0 EFLAGS: 00010086
<4> [118.069974] RAX: 0000000000000000 RBX: ffff8932b98265d0 RCX: 0000000000000003
<4> [118.069980] RDX: 0000000080000003 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [118.069986] RBP: ffffffffc05032fb R08: 0000000000000000 R09: 0000000000000001
<4> [118.069991] R10: 00000000585bbb94 R11: 00000000f673289a R12: 0000000000000001
<4> [118.069997] R13: 00000000001f00c8 R14: 00000000ffffffff R15: 0000000000000202
<4> [118.070003] FS:  00007f0fac785e40(0000) GS:ffff8932b4b00000(0000) knlGS:0000000000000000
<4> [118.070009] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [118.070014] CR2: 00007f0f9f7c82ec CR3: 000000006a1ea000 CR4: 00000000001006e0
<4> [118.070020] Call Trace:
<4> [118.070132]  fwtable_read32+0x18f/0x200 [i915]
<4> [118.070259]  intel_display_capture_error_state+0x16c/0x5f0 [i915]
<4> [118.070387]  i915_gpu_coredump+0x1d0/0x340 [i915]
<4> [118.070512]  i915_capture_error_state+0xa/0x60 [i915]
<4> [118.070624]  intel_gt_handle_error+0x34d/0x3e0 [i915]
<4> [118.070769]  i915_wedged_set+0x5b/0xc0 [i915]
<4> [118.070782]  ? simple_strtoull+0x3b/0x70
<4> [118.070798]  simple_attr_write+0xb0/0xd0
<4> [118.070815]  full_proxy_write+0x51/0x80
<4> [118.070830]  vfs_write+0xb9/0x1d0
<4> [118.070843]  ksys_write+0x9f/0xe0
<4> [118.070859]  do_syscall_64+0x4f/0x240
<4> [118.070870]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [118.070877] RIP: 0033:0x7f0fabef1281
<4> [118.070884] Code: c3 0f 1f 84 00 00 00 00 00 48 8b 05 59 8d 20 00 c3 0f 1f 84 00 00 00 00 00 8b 05 8a d1 20 00 85 c0 75 16 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 57 f3 c3 0f 1f 44 00 00 41 54 55 49 89 d4 53
<4> [118.070889] RSP: 002b:00007fff6c599538 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
<4> [118.070897] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0fabef1281
<4> [118.070902] RDX: 0000000000000002 RSI: 0000556e3d6e3f9e RDI: 0000000000000008
<4> [118.070908] RBP: 0000000000000002 R08: 00007fff6c5cc1b0 R09: 00007fff6c599590
<4> [118.070913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556e3d6e3f9e
<4> [118.070919] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
<4> [118.070948] irq event stamp: 175996
<4> [118.070956] hardirqs last  enabled at (175995): [<ffffffffbca4e1bf>] _raw_spin_unlock_irq+0x1f/0x40
<4> [118.070963] hardirqs last disabled at (175996): [<ffffffffbca4dfad>] _raw_spin_lock_irqsave+0xd/0x50
<4> [118.070970] softirqs last  enabled at (175992): [<ffffffffbce00385>] __do_softirq+0x385/0x47f
<4> [118.070978] softirqs last disabled at (175985): [<ffffffffbc0c010a>] irq_exit+0xba/0xc0
<4> [118.070983] ---[ end trace 0a278b07a02a1de6 ]---