[Bug 108456] VulkanCTS 1.1.2 Kernel error: dEQP-VK.pipeline.render_to_image.core.cube_array.huge.width_height_layers

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108456

            Bug ID: 108456
           Summary: VulkanCTS 1.1.2 Kernel error:
                    dEQP-VK.pipeline.render_to_image.core.cube_array.huge.
                    width_height_layers
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: jason at jlekstrand.net
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

VulkanCTS 1.1.2 causes machines to intermittently hang.  In dmesg, the
following output was found:

[78782.499488] deqp-vk         D    0 19687  19392 0x00000000
[78782.499488] Call Trace:
[78782.499489]  ? __schedule+0x291/0x880
[78782.499490]  schedule+0x28/0x80
[78782.499491]  schedule_preempt_disabled+0xa/0x10
[78782.499492]  __mutex_lock.isra.1+0x1a0/0x4e0
[78782.499496]  ? drm_gem_handle_create+0x40/0x40 [drm]
[78782.499505]  ? i915_gem_close_object+0x3a/0x160 [i915]
[78782.499514]  i915_gem_close_object+0x3a/0x160 [i915]
[78782.499519]  ? drm_gem_handle_create+0x40/0x40 [drm]
[78782.499523]  drm_gem_object_release_handle+0x2c/0x90 [drm]
[78782.499527]  drm_gem_handle_delete+0x57/0x80 [drm]
[78782.499531]  drm_ioctl_kernel+0x59/0xb0 [drm]
[78782.499535]  drm_ioctl+0x2cb/0x380 [drm]
[78782.499539]  ? drm_gem_handle_create+0x40/0x40 [drm]
[78782.499541]  do_vfs_ioctl+0xa1/0x610
[78782.499542]  ? do_munmap+0x32e/0x440
[78782.499543]  SyS_ioctl+0x74/0x80
[78782.499544]  entry_SYSCALL_64_fastpath+0x24/0x87
[78782.499545] RIP: 0033:0x7fd6e249af07
[78782.499545] RSP: 002b:00007ffe035cb448 EFLAGS: 00000246
[78782.499546] INFO: task kworker/7:2:19952 blocked for more than 120 seconds.
[78782.499564]       Tainted: G     U           4.15.0 #4
[78782.499576] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this
message.
[78782.499595] kworker/7:2     D    0 19952      2 0x80000000
[78782.499600] Workqueue: events drm_fb_helper_dirty_work [drm_kms_helper]

This error is easier to reproduce on gen8 systems.  Often, the hung machines
reported  VK_ERROR_OUT_OF_DEVICE_MEMORY for tests like:  

 
dEQP-VK.pipeline.render_to_image.core.cube_array.huge.width_height_layers.r8g8b8a8_unorm_d16_unorm

Machines may complete tests, then hang on subsequent CI runs.

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