[Bug 94914] New: [BAT SNB] gem_exec_store asserts after driver reload (drv_module_reload_basic)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94914

            Bug ID: 94914
           Summary: [BAT SNB] gem_exec_store asserts after driver reload
                    (drv_module_reload_basic)
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tvrtko.ursulin at linux.intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Looks like this:

Results for igt at drv_module_reload_basic
Overview

Result: fail

Back to summary
Details
Detail     Value
Returncode     99
Time     0:00:00.821593
Stdout     

Reloading i915.ko with
unbinding /sys/class/vtconsole/vtcon0/: (M) frame buffer device
module successfully unloaded
module successfully loaded again
failed to execute a simple batch after reload

Stderr     

(gem_exec_store:6557) CRITICAL: Test assertion failure function store_dword,
file gem_exec_store.c:93:
(gem_exec_store:6557) CRITICAL: Failed assertion: *batch == 0xc0ffee
(gem_exec_store:6557) CRITICAL: error: 0 != 12648430
Subtest basic-blt failed.
**** DEBUG ****
(gem_exec_store:6557) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_exec_store:6557) DEBUG: Test requirement passed: !(gen == 6 && (ring &
~(3<<13)) == I915_EXEC_BSD)
(gem_exec_store:6557) CRITICAL: Test assertion failure function store_dword,
file gem_exec_store.c:93:
(gem_exec_store:6557) CRITICAL: Failed assertion: *batch == 0xc0ffee
(gem_exec_store:6557) CRITICAL: error: 0 != 12648430
****  END  ****
(gem_exec_store:6557) CRITICAL: Test assertion failure function store_all, file
gem_exec_store.c:204:
(gem_exec_store:6557) CRITICAL: Failed assertion: engines[i] == i
(gem_exec_store:6557) CRITICAL: error: 0xdeadbeef != 0x2
Subtest basic-all failed.
**** DEBUG ****
(gem_exec_store:6557) CRITICAL: Test assertion failure function store_all, file
gem_exec_store.c:204:
(gem_exec_store:6557) CRITICAL: Failed assertion: engines[i] == i
(gem_exec_store:6557) CRITICAL: error: 0xdeadbeef != 0x2
****  END  ****

Environment     

PIGLIT_SOURCE_DIR="/opt/igt/piglit" PIGLIT_PLATFORM="mixed_glx_egl"

Command     /opt/igt/tests/drv_module_reload_basic
dmesg

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