[Bug 105109] New: [CI] [KBL only] igt at drv_module_reload@basic-reload - dmesg-warn - WARN_ON(!intel_irqs_enabled(dev_priv))

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105109

            Bug ID: 105109
           Summary: [CI] [KBL only] igt at drv_module_reload@basic-reload -
                    dmesg-warn - WARN_ON(!intel_irqs_enabled(dev_priv))
           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

[ 108.044961] ------------[ cut here ]------------
[ 108.045049] WARN_ON(!intel_irqs_enabled(dev_priv))
[ 108.045216] WARNING: CPU: 1 PID: 232 at drivers/gpu/drm/i915/i915_irq.c:541
bdw_update_pipe_irq+0xf7/0x100 [i915]
[ 108.045228] Modules linked in: i915(-) snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic x86_pkg_temp_thermal
intel_powerclamp snd_hda_codec snd_hwdep coretemp crct10dif_pclmul snd_hda_core
crc32_pclmul ghash_clmulni_intel e1000e snd_pcm mei_me mei prime_numbers [last
unloaded: snd_hda_intel]
[ 108.045462] CPU: 1 PID: 232 Comm: kworker/1:2 Tainted: G U
4.16.0-rc1-CI-CI_DRM_3777+ #1
[ 108.045474] Hardware name: /NUC7i5BNB, BIOS BNKBL357.86A.0054.2017.1025.1822
10/25/2017
[ 108.045617] Workqueue: events intel_dp_modeset_retry_work_fn [i915]
[ 108.045740] RIP: 0010:bdw_update_pipe_irq+0xf7/0x100 [i915]
[ 108.045754] RSP: 0018:ffffc900007cfa88 EFLAGS: 00010096
[ 108.045777] RAX: 0000000000000026 RBX: 0000000080000000 RCX: 0000000000000002
[ 108.045790] RDX: 0000000080000002 RSI: ffffffff8210f7b1 RDI: 00000000ffffffff
[ 108.045803] RBP: ffff88025d8b0000 R08: 0000000000000000 R09: 0000000000000001
[ 108.045816] R10: ffffc900007cfa28 R11: 0000000000000000 R12: 0000000000000000
[ 108.045829] R13: 0000000080000000 R14: 0000000000000282 R15: ffff88026b65c138
[ 108.045842] FS: 0000000000000000(0000) GS:ffff88027ec80000(0000)
knlGS:0000000000000000
[ 108.045856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 108.045867] CR2: 00007fef6968f0c0 CR3: 0000000005210004 CR4: 00000000003606e0
[ 108.045877] Call Trace:
[ 108.046011] intel_set_cpu_fifo_underrun_reporting+0x273/0x350 [i915]
[ 108.046177] intel_ddi_pre_enable+0x42/0x7c0 [i915]
[ 108.046348] intel_encoders_pre_enable.isra.57+0x5a/0x70 [i915]
[ 108.046496] haswell_crtc_enable+0x257/0x7d0 [i915]
[ 108.046649] intel_update_crtc+0x29/0x80 [i915]
[ 108.046796] skl_update_crtcs+0x191/0x1d0 [i915]
[ 108.046965] intel_atomic_commit_tail+0x2f7/0xce0 [i915]
[ 108.047134] intel_atomic_commit+0x256/0x330 [i915]
[ 108.047169] restore_fbdev_mode_atomic+0x199/0x1f0
[ 108.047250] drm_fb_helper_restore_fbdev_mode_unlocked+0x42/0x90
[ 108.047276] drm_fb_helper_set_par+0x24/0x50
[ 108.047295] drm_fb_helper_hotplug_event.part.21+0x91/0xb0
[ 108.047319] process_one_work+0x215/0x620
[ 108.047374] worker_thread+0x1ff/0x3a0
[ 108.047417] kthread+0xfb/0x130
[ 108.047434] ? process_one_work+0x620/0x620
[ 108.047449] ? _kthread_create_on_node+0x30/0x30
[ 108.047481] ret_from_fork+0x3a/0x50
[ 108.047550] Code: fc 2b 4f a0 e8 ab 33 cc e0 0f ff 80 bd 95 a8 00 00 00 0f 85
51 ff ff ff 48 c7 c6 a0 2a 50 a0 48 c7 c7 fc 2b 4f a0 e8 89 33 cc e0 <0f> ff 5b
5d 41 5c 41 5d c3 41 55 41 54 41 89 f5 55 53 48 8d 9f 
[ 108.048251] ---[ end trace 6c5f1a8051edb079 ]---

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_3777/shard-kbl6/igt@drv_module_reload@basic-reload.html

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