[Bug 103337] New: [CI] igt at drv_suspend@debugfs-reader - dmesg-warn - *ERROR* Panel is unable to calculate any CRC after 6 vblanks

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103337

            Bug ID: 103337
           Summary: [CI] igt at drv_suspend@debugfs-reader - dmesg-warn -
                    *ERROR* Panel is unable to calculate any CRC after 6
                    vblanks
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: marta.lofstedt at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

CI_DRM_3252 GLK-shards:

[  264.131055] [drm:intel_dp_sink_crc [i915]] *ERROR* Panel is unable to
calculate any CRC after 6 vblanks
[  264.155073] Unclaimed read from register 0x130090
[  264.155190] ------------[ cut here ]------------
[  264.155268] WARNING: CPU: 0 PID: 2655 at
drivers/gpu/drm/i915/intel_uncore.c:860 __unclaimed_reg_debug+0x47/0x60 [i915]
[  264.155274] Modules linked in: vgem snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal intel_powerclamp i915 coretemp
crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_hda_intel snd_hda_codec
snd_hwdep snd_hda_core snd_pcm mei_me mei r8169 mii prime_numbers i2c_hid
pinctrl_geminilake pinctrl_intel
[  264.155404] CPU: 0 PID: 2655 Comm: cat Tainted: G     U         
4.14.0-rc5-CI-CI_DRM_3252+ #1
[  264.155410] Hardware name: Intel Corp. Geminilake/GLK RVP2 LP4SD (07), BIOS
GELKRVPA.X64.0062.B30.1708222146 08/22/2017
[  264.155416] task: ffff880176d6a780 task.stack: ffffc90000e9c000
[  264.155491] RIP: 0010:__unclaimed_reg_debug+0x47/0x60 [i915]
[  264.155497] RSP: 0018:ffffc90000e9fcf8 EFLAGS: 00010092
[  264.155507] RAX: 0000000000000025 RBX: 0000000000000000 RCX:
0000000000000002
[  264.155513] RDX: 0000000080000002 RSI: ffffffff81d183d7 RDI:
00000000ffffffff
[  264.155518] RBP: ffffc90000e9fd10 R08: 0000000000000000 R09:
0000000000000001
[  264.155523] R10: ffffc90000e9fc88 R11: 000000001110455f R12:
0000000000130090
[  264.155529] R13: 0000000000000001 R14: 0000000000000000 R15:
ffff88016f230bb0
[  264.155535] FS:  00007f9a86545700(0000) GS:ffff88017fc00000(0000)
knlGS:0000000000000000
[  264.155541] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  264.155547] CR2: 000055a41dd4f000 CR3: 000000016fc3e000 CR4:
00000000003406f0
[  264.155552] Call Trace:
[  264.155631]  fwtable_read32+0x243/0x2c0 [i915]
[  264.155704]  i915_drpc_info+0x27d/0x8e0 [i915]
[  264.155720]  seq_read+0xe1/0x3a0
[  264.155738]  full_proxy_read+0x54/0x80
[  264.155750]  __vfs_read+0x28/0x120
[  264.155767]  ? entry_SYSCALL_64_fastpath+0x5/0xb1
[  264.155776]  vfs_read+0xa8/0x150
[  264.155787]  SyS_read+0x49/0xb0
[  264.155799]  entry_SYSCALL_64_fastpath+0x1c/0xb1
[  264.155805] RIP: 0033:0x7f9a86073890
[  264.155810] RSP: 002b:00007fff9bc9dfb8 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[  264.155821] RAX: ffffffffffffffda RBX: ffffffff81491f73 RCX:
00007f9a86073890
[  264.155827] RDX: 0000000000020000 RSI: 000055a41dd4c000 RDI:
0000000000000005
[  264.155832] RBP: ffffc90000e9ff88 R08: 00007f9a8633cb88 R09:
0000000000021010
[  264.155838] R10: 00007f9a8633cb58 R11: 0000000000000246 R12:
0000000000020000
[  264.155843] R13: 0000000000000005 R14: 000055a41dd4c000 R15:
0000000000020000
[  264.155855]  ? __this_cpu_preempt_check+0x13/0x20
[  264.155869] Code: 01 75 31 84 db 75 2d 45 84 ed 48 c7 c0 e8 bd 23 a0 48 c7
c6 de bd 23 a0 48 0f 44 f0 44 89 e2 48 c7 c7 f1 bd 23 a0 e8 ba ff f6 e0 <0f> ff
83 2d c0 16 10 00 01 5b 41 5c 41 5d 5d c3 66 0f 1f 84 00 
[  264.156187] ---[ end trace bb371c712040c418 ]---
[  264.274836] atkbd serio0: Failed to enable keyboard on isa0060/serio0

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3252/shard-glkb1/igt@drv_suspend@debugfs-reader.html

Also, CI_DRM_3253
Same warning print without the WARNING
[  343.551512] [drm:intel_dp_sink_crc [i915]] *ERROR* Panel is unable to
calculate any CRC after 6 vblanks

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3253/shard-glkb1/igt@drv_suspend@debugfs-reader.html

-- 
You are receiving this mail because:
You are the assignee for the bug.
You are on the CC list for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20171018/2980cb55/attachment-0001.html>