[Bug 108528] New: [CI][BAT] igt@* - dmesg-warn - Unclaimed read from register 0x138118

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108528

            Bug ID: 108528
           Summary: [CI][BAT] igt@* - dmesg-warn - Unclaimed read from
                    register 0x138118
           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/IGTPW_1974/fi-byt-j1900/igt@drv_selftest@live_coherency.html

<4> [369.598081] ------------[ cut here ]------------
<4> [369.598478] Unclaimed read from register 0x138118
<4> [369.598682] WARNING: CPU: 1 PID: 34 at
drivers/gpu/drm/i915/intel_uncore.c:1093 __unclaimed_reg_debug+0x40/0x50 [i915]
<4> [369.598691] Modules linked in: i915(+) amdgpu chash gpu_sched ttm vgem
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic btusb btrtl
btbcm btintel coretemp bluetooth crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel ecdh_generic r8169 lpc_ich snd_hda_codec snd_hwdep
snd_hda_core i2c_hid snd_pcm prime_numbers [last unloaded: i915]
<4> [369.598905] CPU: 1 PID: 34 Comm: kworker/1:1 Tainted: G     U           
4.19.0-rc8-CI-CI_DRM_5013+ #1
<4> [369.598913] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F6
02/17/2015
<4> [369.599034] Workqueue: events gen6_pm_rps_work [i915]
<4> [369.599177] RIP: 0010:__unclaimed_reg_debug+0x40/0x50 [i915]
<4> [369.599188] Code: 74 05 5b 5d 41 5c c3 45 84 e4 48 c7 c0 b6 a0 c4 a0 48 c7
c6 ac a0 c4 a0 48 0f 44 f0 89 ea 48 c7 c7 bf a0 c4 a0 e8 00 91 51 e0 <0f> 0b 83
2d d7 70 19 00 01 5b 5d 41 5c c3 66 90 41 56 41 55 41 89
<4> [369.599196] RSP: 0018:ffffc9000013bdc8 EFLAGS: 00010086
<4> [369.599211] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
0000000000000002
<4> [369.599219] RDX: 0000000080000002 RSI: ffffffff820c309e RDI:
00000000ffffffff
<4> [369.599227] RBP: 0000000000138118 R08: 0000000000000000 R09:
0000000000000001
<4> [369.599234] R10: ffffc9000013bd60 R11: 0000000000000000 R12:
0000000000000001
<4> [369.599242] R13: 0000000000000001 R14: 000000000054b987 R15:
0000000000000206
<4> [369.599251] FS:  0000000000000000(0000) GS:ffff88013ba80000(0000)
knlGS:0000000000000000
<4> [369.599259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [369.599267] CR2: 0000562de6800690 CR3: 0000000121638000 CR4:
00000000001006e0
<4> [369.599274] Call Trace:
<4> [369.599418]  fwtable_read32+0x1e8/0x250 [i915]
<4> [369.599551]  gen6_pm_rps_work+0x164/0x2f0 [i915]
<4> [369.599581]  process_one_work+0x245/0x610
<4> [369.599613]  worker_thread+0x37/0x380
<4> [369.599632]  ? process_one_work+0x610/0x610
<4> [369.599642]  kthread+0x119/0x130
<4> [369.599653]  ? kthread_park+0x80/0x80
<4> [369.599671]  ret_from_fork+0x3a/0x50
<4> [369.599712] irq event stamp: 1404740
<4> [369.599724] hardirqs last  enabled at (1404739): [<ffffffff81119240>]
ktime_get_raw+0xd0/0xf0
<4> [369.599734] hardirqs last disabled at (1404740): [<ffffffff8194112d>]
_raw_spin_lock_irqsave+0xd/0x50
<4> [369.599744] softirqs last  enabled at (1404326): [<ffffffff81c0031d>]
__do_softirq+0x31d/0x483
<4> [369.599755] softirqs last disabled at (1404307): [<ffffffff8108c539>]
irq_exit+0xa9/0xc0
<4> [369.599890] WARNING: CPU: 1 PID: 34 at
drivers/gpu/drm/i915/intel_uncore.c:1093 __unclaimed_reg_debug+0x40/0x50 [i915]
<4> [369.599899] ---[ end trace 4e087b32183028b4 ]---

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