Bug 109965

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5708/fi-icl-y/igt@gem_mmap@basic-small-bo.html

<6> [150.665487] Console: switching to colour dummy device 80x25
<6> [150.665562] [IGT] gem_mmap: executing
<6> [150.680787] [IGT] gem_mmap: starting subtest basic-small-bo
<3> [150.928659] irq 32: nobody cared (try booting with the "irqpoll" option)
<4> [150.928686] CPU: 3 PID: 2503 Comm: kworker/u8:65 Tainted: G     U            5.0.0-CI-CI_DRM_5708+ #1
<4> [150.928688] Hardware name: Intel Corporation Ice Lake Client Platform/IceLake Y LPDDR4x T4 RVP TLC, BIOS ICLSFWR1.R00.3087.A00.1902250334 02/25/2019
<4> [150.928735] Workqueue: i915 __i915_gem_free_work [i915]
<4> [150.928739] Call Trace:
<4> [150.928741]  <IRQ>
<4> [150.928748]  dump_stack+0x67/0x9b
<4> [150.928753]  __report_bad_irq+0x2b/0xb0
<4> [150.928757]  note_interrupt+0x22e/0x280
<4> [150.928763]  handle_irq_event_percpu+0x4c/0x70
<4> [150.928767]  handle_irq_event+0x2f/0x50
<4> [150.928771]  handle_fasteoi_irq+0x87/0x140
<4> [150.928775]  handle_irq+0x67/0x160
<4> [150.928780]  do_IRQ+0x5e/0x130
<4> [150.928785]  common_interrupt+0xf/0xf
<4> [150.928787]  </IRQ>
<4> [150.928790] RIP: 0010:_raw_spin_unlock_irq+0x2a/0x50
<4> [150.928793] Code: 53 48 8b 54 24 08 be 01 00 00 00 48 89 fb 48 83 c7 18 e8 c9 37 79 ff 48 89 df e8 81 9b 79 ff e8 9c 2b 81 ff fb bf 01 00 00 00 <e8> 61 06 76 ff 65 8b 05 fa 95 69 7e 85 c0 74 02 5b c3 e8 69 61 68
<4> [150.928795] RSP: 0018:ffffc90000b73cd8 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffdc
<4> [150.928797] RAX: ffff888291b74040 RBX: ffffffff82307d40 RCX: 0000000000000006
<4> [150.928799] RDX: 0000000000000006 RSI: ffffffff8212e992 RDI: 0000000000000001
<4> [150.928801] RBP: ffff88828d149588 R08: 000000007e8e8d0b R09: 0000000000000000
<4> [150.928803] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000100000
<4> [150.928805] R13: 0000000000026000 R14: ffff88828af7ba40 R15: ffffea0008398980
<4> [150.928814]  ? _raw_spin_unlock_irq+0x24/0x50
<4> [150.928848]  check_release_pagevec+0x9/0x30 [i915]
<4> [150.928881]  i915_gem_object_put_pages_gtt+0x218/0x250 [i915]
<4> [150.928920]  __i915_gem_object_put_pages+0x6e/0xe0 [i915]
<4> [150.928952]  __i915_gem_free_objects+0x263/0x720 [i915]
<4> [150.928984]  __i915_gem_free_work+0x5a/0x90 [i915]
<4> [150.928989]  process_one_work+0x245/0x610
<4> [150.928996]  worker_thread+0x37/0x380
<4> [150.929000]  ? process_one_work+0x610/0x610
<4> [150.929003]  kthread+0x119/0x130
<4> [150.929006]  ? kthread_park+0x80/0x80
<4> [150.929010]  ret_from_fork+0x3a/0x50
<3> [150.929019] handlers:
<3> [150.929032] [<00000000743a8b49>] i2c_dw_isr
<0> [150.929149] Disabling IRQ #32
<6> [151.057785] [IGT] gem_mmap: exiting, ret=0
<5> [151.058323] Setting dangerous option reset - tainting kernel
<6> [151.087704] Console: switching to colour frame buffer device 240x67