[Bug 106076] New: [CI] igt at pm_rpm@debugfs-read - dmesg-warn - Unclaimed read from register 0x1e1110

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106076

            Bug ID: 106076
           Summary: [CI] igt at pm_rpm@debugfs-read - dmesg-warn - Unclaimed
                    read from register 0x1e1110
           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/drmtip_9/fi-byt-j1900/igt@pm_rpm@debugfs-read.html

[  237.832704] ------------[ cut here ]------------
[  237.832966] Unclaimed read from register 0x1e1110
[  237.833166] WARNING: CPU: 2 PID: 2594 at
drivers/gpu/drm/i915/intel_uncore.c:1075 __unclaimed_reg_debug+0x3b/0x50 [i915]
[  237.833175] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek
snd_hda_codec_generic i915 intel_powerclamp btusb btrtl coretemp btbcm btintel
snd_hda_intel crct10dif_pclmul snd_hda_codec crc32_pclmul bluetooth
ghash_clmulni_intel snd_hwdep snd_hda_core ecdh_generic snd_pcm r8169 mii
lpc_ich prime_numbers i2c_hid
[  237.833379] CPU: 2 PID: 2594 Comm: pm_rpm Tainted: G     U          
4.16.0-rc7-gbefd0b655b91-drmtip_9+ #1
[  237.833387] Hardware name: GIGABYTE GB-BXBT-1900/MZBAYAB-00, BIOS F6
02/17/2015
[  237.833515] RIP: 0010:__unclaimed_reg_debug+0x3b/0x50 [i915]
[  237.833523] RSP: 0018:ffffba4e806bfd30 EFLAGS: 00010082
[  237.833538] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
[  237.833546] RDX: 0000000080000002 RSI: ffffffff860769ae RDI:
00000000ffffffff
[  237.833554] RBP: 00000000001e1110 R08: 0000000000000000 R09:
0000000000000001
[  237.833562] R10: ffffba4e806bfcc8 R11: 0000000000000002 R12:
0000000000000001
[  237.833570] R13: ffffa24723a40ce0 R14: 00000000ffffffff R15:
0000000000000202
[  237.833578] FS:  00007f90d0a0a980(0000) GS:ffffa2473fd00000(0000)
knlGS:0000000000000000
[  237.833587] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  237.833595] CR2: 00007fe92b84c000 CR3: 000000010829c000 CR4:
00000000001006e0
[  237.833602] Call Trace:
[  237.833739]  fwtable_read32+0x214/0x290 [i915]
[  237.833866]  i915_interrupt_info+0xb48/0xbb0 [i915]
[  237.833890]  seq_read+0xe8/0x3b0
[  237.833909]  ? debug_check_no_obj_freed+0x11f/0x230
[  237.833930]  full_proxy_read+0x4b/0x70
[  237.833950]  __vfs_read+0x1e/0x120
[  237.833974]  ? do_sys_open+0x197/0x1f0
[  237.833985]  ? rcu_read_lock_sched_held+0x6f/0x80
[  237.833997]  ? kmem_cache_free+0x281/0x310
[  237.834010]  vfs_read+0x9e/0x150
[  237.834028]  SyS_read+0x40/0xa0
[  237.834048]  do_syscall_64+0x65/0x1a0
[  237.834064]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[  237.834074] RIP: 0033:0x7f90cfd6034e
[  237.834082] RSP: 002b:00007ffca11b4d98 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[  237.834098] RAX: ffffffffffffffda RBX: 00007ffca11b6020 RCX:
00007f90cfd6034e
[  237.834106] RDX: 0000000000001000 RSI: 00007ffca11b4dd0 RDI:
0000000000000008
[  237.834113] RBP: 00007ffca11b5de0 R08: 0000000000000000 R09:
000000000000002f
[  237.834121] R10: 0000000000000000 R11: 0000000000000246 R12:
00007ffca11b5f00
[  237.834129] R13: 0000000000000008 R14: 00007ffca11b5e00 R15:
0000564d944a8370
[  237.834168] Code: 3c 01 75 30 84 db 75 2c 45 84 e4 48 c7 c0 12 69 5c c0 48
c7 c6 08 69 5c c0 48 0f 44 f0 89 ea 48 c7 c7 1b 69 5c c0 e8 15 78 b8 c4 <0f> 0b
83 2d dc 23 18 00 01 5b 5d 41 5c c3 0f 1f 80 00 00 00 00 
[  237.834736] WARNING: CPU: 2 PID: 2594 at
drivers/gpu/drm/i915/intel_uncore.c:1075 __unclaimed_reg_debug+0x3b/0x50 [i915]
[  237.834745] ---[ end trace 53e47188961c7195 ]---

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