[Bug 103927] [CI][BXT only] igt@* - incomplete timeout/system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103927

--- Comment #16 from Stanislav Lisovskiy <stanislav.lisovskiy at intel.com> ---
There seems to be some problem with drv_selftests: it occassionally runs out of
memory(memory leak?), which causes then all subsequent tests to fail:

<3>[  170.754357] Out of memory: Kill process 5670 (drv_selftest) score 999 or
sacrifice child
<7>[  170.754702] [drm:vma_print_allocator.constprop.12 [i915]] vma.node
[ffffe000 + 00001000] is pinned: inserted at  i915_gem_gtt_insert+0x135/0x510
[i915]
                   __i915_vma_do_pin+0x462/0xd90 [i915]
                   logical_render_ring_init+0x33e/0x470 [i915]
                   intel_engines_init+0x4f/0x120 [i915]
                   i915_gem_init+0x20b/0x6a0 [i915]
                   i915_driver_load+0xc3a/0x1070 [i915]
                   i915_pci_probe+0x29/0x90 [i915]
                   pci_device_probe+0xa1/0x130
                   driver_probe_device+0x306/0x480
                   __driver_attach+0xdb/0x100
                   bus_for_each_dev+0x74/0xc0
                   bus_add_driver+0x15f/0x250
                   driver_register+0x56/0xe0
                   do_one_initcall+0x58/0x370
                   do_init_module+0x56/0x1ea
                   load_module+0x24

<3>[  170.763513] Out of memory: Kill process 782 (java) score 12 or sacrifice
child
<7>[  170.763902] [drm:vma_print_allocator.constprop.12 [i915]] vma.node
[ffffe000 + 00001000] is pinned: inserted at  i915_gem_gtt_insert+0x135/0x510
[i915]
                   __i915_vma_do_pin+0x462/0xd90 [i915]
                   logical_render_ring_init+0x33e/0x470 [i915]
                   intel_engines_init+0x4f/0x120 [i915]
                   i915_gem_init+0x20b/0x6a0 [i915]
                   i915_driver_load+0xc3a/0x1070 [i915]
                   i915_pci_probe+0x29/0x90 [i915]
                   pci_device_probe+0xa1/0x130
                   driver_probe_device+0x306/0x480
                   __driver_attach+0xdb/0x100
                   bus_for_each_dev+0x74/0xc0
                   bus_add_driver+0x15f/0x250
                   driver_register+0x56/0xe0
                   do_one_initcall+0x58/0x370
                   do_init_module+0x56/0x1ea
                   load_module+0x24

And so on. I guess this could be one of the reasons for getting lots of
incomplete tests.

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