[Bug 103038] New: [CI] igt at kms_busy@extended-modeset-hang-newfb-with-reset-render-B caused dmesg warning

Fri Sep 29 12:33:07 UTC 2017

https://bugs.freedesktop.org/show_bug.cgi?id=103038

            Bug ID: 103038
           Summary: [CI]
                    igt at kms_busy@extended-modeset-hang-newfb-with-reset-re
                    nder-B caused dmesg warning
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jani.saarinen at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

On CI_DRM_3155 on hard-hsw
igt at kms_busy@extended-modeset-hang-newfb-with-reset-render caused dmesg
warning.

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3155/shard-hsw3/igt@kms_busy@extended-modeset-hang-newfb-with-reset-render-B.html

Out     
IGT-Version: 1.19-g47ae1f8c (x86_64) (Linux: 4.14.0-rc2-CI-CI_DRM_3155+ x86_64)
Subtest extended-modeset-hang-newfb-with-reset-render-B: SUCCESS (26.058s)
Test requirement not met in function __real_main311, file kms_busy.c:337:
Test requirement: !(n >= display.n_pipes)
Environment     
PIGLIT_SOURCE_DIR="/opt/igt/piglit" PIGLIT_PLATFORM="mixed_glx_egl"
Command 
/opt/igt/libexec/intel-gpu-tools/kms_busy --run-subtest
extended-modeset-hang-newfb-with-reset-render-B
Dmesg   
[  218.240455] Setting dangerous option reset - tainting kernel
[  218.240859] Setting dangerous option reset - tainting kernel
[  218.241178] Setting dangerous option force_reset_modeset_test - tainting
kernel
[  232.766887] i915 0000:00:02.0: Resetting chip after gpu hang
[  232.769761] Unclaimed read from register 0x70008
[  232.769815] ------------[ cut here ]------------
[  232.769855] WARNING: CPU: 2 PID: 60 at
drivers/gpu/drm/i915/intel_uncore.c:844 __unclaimed_reg_debug+0x47/0x60 [i915]
[  232.769863] Modules linked in: snd_hda_intel i915 snd_hda_codec_hdmi
x86_pkg_temp_thermal intel_powerclamp coretemp snd_hda_codec_realtek
crct10dif_pclmul snd_hda_codec_generic crc32_pclmul ghash_clmulni_intel
snd_hda_codec snd_hwdep r8169 snd_hda_core mii lpc_ich mei_me snd_pcm mei
prime_numbers [last unloaded: i915]
[  232.770029] CPU: 2 PID: 60 Comm: kworker/2:1 Tainted: G     U         
4.14.0-rc2-CI-CI_DRM_3155+ #1
[  232.770036] Hardware name: MSI MS-7924/Z97M-G43(MS-7924), BIOS V1.12
02/15/2016
[  232.770076] Workqueue: events_long i915_hangcheck_elapsed [i915]
[  232.770091] task: ffff88040d228040 task.stack: ffffc90000244000
[  232.770131] RIP: 0010:__unclaimed_reg_debug+0x47/0x60 [i915]
[  232.770138] RSP: 0018:ffffc900002479c0 EFLAGS: 00010082
[  232.770153] RAX: 0000000000000024 RBX: 0000000000000000 RCX:
0000000000000002
[  232.770160] RDX: 0000000080000002 RSI: ffffffff81cb44fe RDI:
00000000ffffffff
[  232.770167] RBP: ffffc900002479d8 R08: 0000000000000000 R09:
0000000000000001
[  232.770175] R10: 00000000df9424c4 R11: 0000000090f8aa18 R12:
0000000000070008
[  232.770182] R13: 0000000000000001 R14: 0000000000000000 R15:
ffff8803f98c0c88
[  232.770190] FS:  0000000000000000(0000) GS:ffff88041fa80000(0000)
knlGS:0000000000000000
[  232.770198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  232.770205] CR2: 00007ff5e7cda6c8 CR3: 00000003fb288002 CR4:
00000000001606e0
[  232.770212] Call Trace:
[  232.770255]  gen6_read32+0x22d/0x2b0 [i915]
[  232.770293]  ? fwtable_read8+0x2c0/0x2c0 [i915]
[  232.770337]  intel_modeset_setup_hw_state+0x6c4/0xda0 [i915]
[  232.770386]  __intel_display_resume+0x1f/0xc0 [i915]
[  232.770429]  intel_finish_reset+0xff/0x170 [i915]
[  232.770465]  i915_reset_device+0x208/0x260 [i915]
[  232.770500]  ? gen8_gt_irq_ack+0x170/0x170 [i915]
[  232.770515]  ? work_on_cpu_safe+0x60/0x60
[  232.770558]  i915_handle_error+0x2d8/0x430 [i915]
[  232.770573]  ? vsnprintf+0xd1/0x4b0
[  232.770587]  ? scnprintf+0x3a/0x70
[  232.770633]  hangcheck_declare_hang+0xd3/0xf0 [i915]
[  232.770671]  ? intel_runtime_pm_put+0x56/0xa0 [i915]
[  232.770712]  i915_hangcheck_elapsed+0x262/0x2d0 [i915]
[  232.770728]  process_one_work+0x233/0x660
[  232.770743]  worker_thread+0x4e/0x3b0
[  232.770757]  kthread+0x152/0x190
[  232.770765]  ? process_one_work+0x660/0x660
[  232.770774]  ? kthread_create_on_node+0x40/0x40
[  232.770783]  ? kthread_create_on_node+0x40/0x40
[  232.770793]  ret_from_fork+0x27/0x40
[  232.770811] Code: 01 75 31 84 db 75 2d 45 84 ed 48 c7 c0 46 28 48 a0 48 c7
c6 3c 28 48 a0 48 0f 44 f0 44 89 e2 48 c7 c7 4f 28 48 a0 e8 7a 8d d2 e0 <0f> ff
83 2d 34 e8 0f 00 01 5b 41 5c 41 5d 5d c3 66 0f 1f 84 00 
[  232.771254] ---[ end trace bcd307d845463039 ]---
[  244.191988] asynchronous wait on fence i915:[global]:829c timed out
[  244.299396] Setting dangerous option force_reset_modeset_test - tainting
kernel
[  244.300030] Setting dangerous option reset - tainting kernel

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