igt@i915_selftest@live_gem_contexts - igt_ctx_exec failed with error -EIO

Original bug https://bugs.freedesktop.org/show_bug.cgi?id=111692 https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5325/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html

(i915_selftest:4021) igt_kmod-WARNING: i915/i915_gem_context_live_selftests: igt_ctx_exec failed with error -5
(i915_selftest:4021) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling always-on
(i915_selftest:4021) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling display
(i915_selftest:4021) igt_kmod-WARNING: i915: probe of 0000:00:02.0 failed with error -5
(i915_selftest:4021) igt_kmod-CRITICAL: Test assertion failure function igt_kselftest_execute, file ../lib/igt_kmod.c:588:
(i915_selftest:4021) igt_kmod-CRITICAL: Failed assertion: err == 0
(i915_selftest:4021) igt_kmod-CRITICAL: kselftest "i915 igt__33__live_gem_contexts=1 live_selftests=-1 disable_display=1 st_filter=" failed: Input/output error [5]
(i915_selftest:4021) igt_core-INFO: Stack trace:
(i915_selftest:4021) igt_core-INFO:   #0 ../lib/igt_core.c:1877 __igt_fail_assert()
(i915_selftest:4021) igt_core-INFO:   #1 [igt_kselftest_execute+0x2e5]
(i915_selftest:4021) igt_core-INFO:   #2 ../lib/igt_kmod.c:622 igt_kselftests()
(i915_selftest:4021) igt_core-INFO:   #3 /usr/include/x86_64-linux-gnu/bits/stdio2.h:64 __real_main29()
(i915_selftest:4021) igt_core-INFO:   #4 ../tests/i915/i915_selftest.c:29 main()
(i915_selftest:4021) igt_core-INFO:   #5 ../csu/libc-start.c:344 __libc_start_main()
(i915_selftest:4021) igt_core-INFO:   #6 [_start+0x2a]
****  END  ****
Subtest live_gem_contexts: FAIL (11.268s)

https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3809/fi-byt-n2820/igt@i915_selftest@live_gem_contexts.html

(i915_selftest:3701) igt_kmod-WARNING: i915/i915_gem_context_live_selftests: igt_ctx_exec failed with error -5
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling display
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_vga_redisable_power_on [i915]] Something enabled VGA plane, disabling it
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-tx-b-01
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-tx-b-23
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-tx-c-01
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-tx-c-23
(i915_selftest:3701) igt_kmod-WARNING: [drm:intel_power_well_enable [i915]] enabling dpio-common
(i915_selftest:3701) igt_kmod-WARNING: i915: probe of 0000:00:02.0 failed with error -5
(i915_selftest:3701) igt_kmod-CRITICAL: Test assertion failure function igt_kselftest_execute, file ../lib/igt_kmod.c:588:
(i915_selftest:3701) igt_kmod-CRITICAL: Failed assertion: err == 0
(i915_selftest:3701) igt_kmod-CRITICAL: kselftest "i915 igt__33__live_gem_contexts=1 live_selftests=-1 disable_display=1 st_filter=" failed: Input/output error [5]
(i915_selftest:3701) igt_core-INFO: Stack trace:
(i915_selftest:3701) igt_core-INFO:   #0 ../lib/igt_core.c:1877 __igt_fail_assert()
(i915_selftest:3701) igt_core-INFO:   #1 [igt_kselftest_execute+0x2e5]
(i915_selftest:3701) igt_core-INFO:   #2 ../lib/igt_kmod.c:622 igt_kselftests()
(i915_selftest:3701) igt_core-INFO:   #3 /usr/include/x86_64-linux-gnu/bits/stdio2.h:64 __real_main29()
(i915_selftest:3701) igt_core-INFO:   #4 ../tests/i915/i915_selftest.c:29 main()
(i915_selftest:3701) igt_core-INFO:   #5 ../csu/libc-start.c:344 __libc_start_main()
(i915_selftest:3701) igt_core-INFO:   #6 [_start+0x2a]
****  END  ****
Subtest live_gem_contexts: FAIL (11.983s)