igt@gem_exec_suspend@basic-(s0|s3) - missed request

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7637/fi-byt-j1900/igt@gem_exec_suspend@basic-s0.html#dmesg-warnings1235

<4> [270.967499] Call Trace:
<4> [270.967512]  ? __schedule+0x2e5/0x800
<4> [270.967530]  schedule+0x37/0xe0
<4> [270.967539]  schedule_timeout+0x225/0x3f0
<4> [270.967554]  ? find_held_lock+0x2d/0x90
<4> [270.967707]  ? i915_request_wait+0x178/0x880 [i915]
<4> [270.967725]  io_schedule_timeout+0x14/0x40
<4> [270.967848]  i915_request_wait+0x1d4/0x880 [i915]
<4> [270.967968]  ? irq_execute_cb+0x20/0x20 [i915]
<4> [270.968086]  i915_gem_do_execbuffer+0x88b/0x2520 [i915]
<4> [270.968123]  ? __lock_acquire+0x460/0x15d0
<4> [270.968329]  i915_gem_execbuffer2_ioctl+0x11f/0x470 [i915]
<4> [270.968444]  ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [270.968459]  drm_ioctl_kernel+0xa7/0xf0
<4> [270.968474]  drm_ioctl+0x2e1/0x390
<4> [270.968584]  ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [270.968611]  ? debug_object_active_state+0x15c/0x170
<4> [270.968627]  do_vfs_ioctl+0x9c/0x730
<4> [270.968638]  ? task_work_run+0x6e/0xb0
<4> [270.968652]  ? _raw_spin_unlock_irq+0x1f/0x40
<4> [270.968659]  ? lockdep_hardirqs_on+0xe3/0x1c0
<4> [270.968672]  ksys_ioctl+0x35/0x60
<4> [270.968686]  __x64_sys_ioctl+0x11/0x20
<4> [270.968695]  do_syscall_64+0x4f/0x220
<4> [270.968704]  entry_SYSCALL_64_after_hwframe+0x49/0xbe