[Bug 107396] New: [CI][BAT] igt at debugfs_test@read_all_entries - dmesg-warn - Unclaimed read from register 0x70278

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Jul 27 10:47:58 UTC 2018 

https://bugs.freedesktop.org/show_bug.cgi?id=107396

            Bug ID: 107396
           Summary: [CI][BAT] igt at debugfs_test@read_all_entries -
                    dmesg-warn - Unclaimed read from register 0x70278
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: martin.peres at free.fr
        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/CI_DRM_4558/fi-icl-u/igt@debugfs_test@read_all_entries.html


[   34.500778] ------------[ cut here ]------------
[   34.500842] Unclaimed read from register 0x70278
[   34.500976] WARNING: CPU: 0 PID: 1280 at
drivers/gpu/drm/i915/intel_uncore.c:1087 __unclaimed_reg_debug+0x40/0x50 [i915]
[   34.500981] Modules linked in: snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 ax88179_178a usbnet mii x86_pkg_temp_thermal
coretemp snd_hda_intel crct10dif_pclmul crc32_pclmul snd_hda_codec
ghash_clmulni_intel snd_hwdep snd_hda_core e1000e snd_pcm prime_numbers
[   34.501078] CPU: 0 PID: 1280 Comm: debugfs_test Tainted: G        W        
4.18.0-rc6-CI-CI_DRM_4558+ #1
[   34.501084] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2222.A01.1805300339
05/30/2018
[   34.501182] RIP: 0010:__unclaimed_reg_debug+0x40/0x50 [i915]
[   34.501186] Code: 74 05 5b 5d 41 5c c3 45 84 e4 48 c7 c0 a9 d3 56 a0 48 c7
c6 9f d3 56 a0 48 0f 44 f0 89 ea 48 c7 c7 b2 d3 56 a0 e8 c0 2f bf e0 <0f> 0b 83
2d 3f 2b 19 00 01 5b 5d 41 5c c3 66 90 41 56 41 55 41 89 
[   34.501463] RSP: 0018:ffffc900017ef758 EFLAGS: 00010086
[   34.501473] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000002
[   34.501479] RDX: 0000000080000002 RSI: ffffffff820c6e04 RDI:
00000000ffffffff
[   34.501484] RBP: 0000000000070278 R08: 0000000000000000 R09:
0000000000000001
[   34.501489] R10: ffffc900017ef6f0 R11: 0000000000000000 R12:
0000000000000001
[   34.501494] R13: 0000000000000001 R14: 0000000000000000 R15:
0000000000000206
[   34.501501] FS:  00007fa0280d2980(0000) GS:ffff8804c0800000(0000)
knlGS:0000000000000000
[   34.501507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.501512] CR2: 00007f07ee8d4938 CR3: 0000000492e72005 CR4:
0000000000760ef0
[   34.501518] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[   34.501523] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[   34.501528] PKRU: 55555554
[   34.501532] Call Trace:
[   34.501634]  gen11_fwtable_read32+0x233/0x290 [i915]
[   34.501713]  skl_ddb_get_hw_state+0x22a/0x380 [i915]
[   34.501826]  verify_wm_state+0xa5/0x440 [i915]
[   34.501839]  ? __lock_acquire+0x3c8/0x1b50
[   34.501897]  ? lock_acquire+0xa6/0x210
[   34.501997]  ? intel_fbc_post_update+0x24/0x40 [i915]
[   34.502019]  ? lock_acquire+0xa6/0x210
[   34.502112]  ? intel_check_pch_fifo_underruns+0x27/0x280 [i915]
[   34.502129]  ? mark_held_locks+0x50/0x80
[   34.502230]  intel_atomic_commit_tail+0x3c9/0xd00 [i915]
[   34.502331]  intel_atomic_commit+0x240/0x320 [i915]
[   34.502347]  drm_mode_atomic_ioctl+0x837/0xa00
[   34.502387]  ? drm_atomic_set_property+0x630/0x630
[   34.502397]  drm_ioctl_kernel+0x7c/0xf0
[   34.502411]  drm_ioctl+0x2e6/0x3a0
[   34.502423]  ? drm_atomic_set_property+0x630/0x630
[   34.502439]  ? lock_acquire+0xa6/0x210
[   34.502461]  do_vfs_ioctl+0xa0/0x6d0
[   34.502474]  ? _copy_to_user+0x56/0x70
[   34.502485]  ? __se_sys_sysinfo+0x30/0x60
[   34.502499]  ksys_ioctl+0x35/0x60
[   34.502511]  __x64_sys_ioctl+0x11/0x20
[   34.502520]  do_syscall_64+0x55/0x190
[   34.502531]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   34.502539] RIP: 0033:0x7fa0277795d7
[   34.502543] 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 
[   34.502820] RSP: 002b:00007ffc2d601328 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
[   34.502830] RAX: ffffffffffffffda RBX: 0000556cb4b2e450 RCX:
00007fa0277795d7
[   34.502836] RDX: 00007ffc2d601380 RSI: 00000000c03864bc RDI:
0000000000000003
[   34.502841] RBP: 00007ffc2d601380 R08: 0000556cb4b2f570 R09:
0000000000000068
[   34.502846] R10: 0000000000000012 R11: 0000000000000246 R12:
00000000c03864bc
[   34.502852] R13: 0000000000000003 R14: 0000000000000000 R15:
0000000000000400
[   34.502878] irq event stamp: 152448
[   34.502887] hardirqs last  enabled at (152447): [<ffffffff8193f9cc>]
_raw_spin_unlock_irqrestore+0x4c/0x60
[   34.502895] hardirqs last disabled at (152448): [<ffffffff8193f83d>]
_raw_spin_lock_irqsave+0xd/0x50
[   34.502902] softirqs last  enabled at (152312): [<ffffffff81c0034f>]
__do_softirq+0x34f/0x505
[   34.502911] softirqs last disabled at (152295): [<ffffffff8108c825>]
irq_exit+0xa5/0xc0
[   34.503003] WARNING: CPU: 0 PID: 1280 at
drivers/gpu/drm/i915/intel_uncore.c:1087 __unclaimed_reg_debug+0x40/0x50 [i915]
[   34.503008] ---[ end trace f0b27030ca9d0aaf ]---[   3

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