[Bug 107189] New: [CI] SKL-IOMMU igt at drv_module_reload tests fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107189

            Bug ID: 107189
           Summary: [CI] SKL-IOMMU igt at drv_module_reload tests fail
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: tomi.p.sarvela at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Skylake 6700K with IO-MMU enabled fails IGT drv_module_reload tests:

Example trace:
(drv_module_reload:2362) ioctl_wrappers-CRITICAL: Test assertion failure
function gem_execbuf, file ../lib/ioctl_wrappers.c:605:
(drv_module_reload:2362) ioctl_wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(drv_module_reload:2362) ioctl_wrappers-CRITICAL: error: -5 != 0
Subtest basic-reload failed.
**** DEBUG ****
(drv_module_reload:2362) igt_kmod-DEBUG: Could not remove module drm_kms_helper
(No such file or directory)
(drv_module_reload:2362) igt_kmod-DEBUG: Could not remove module drm (No such
file or directory)
(drv_module_reload:2362) igt_debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(drv_module_reload:2362) igt_debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(drv_module_reload:2362) ioctl_wrappers-CRITICAL: Test assertion failure
function gem_execbuf, file ../lib/ioctl_wrappers.c:605:
(drv_module_reload:2362) ioctl_wrappers-CRITICAL: Failed assertion:
__gem_execbuf(fd, execbuf) == 0
(drv_module_reload:2362) ioctl_wrappers-CRITICAL: error: -5 != 0
(drv_module_reload:2362) igt_core-INFO: Stack trace:
(drv_module_reload:2362) igt_core-INFO:   #0 [__igt_fail_assert+0x180]
(drv_module_reload:2362) igt_core-INFO:   #1 [gem_execbuf+0x6c]
(drv_module_reload:2362) igt_core-INFO:   #2 [store_dword+0x2f9]
(drv_module_reload:2362) igt_core-INFO:   #3 [gem_exec_store+0x68]
(drv_module_reload:2362) igt_core-INFO:   #4 [__real_main304+0x86]
(drv_module_reload:2362) igt_core-INFO:   #5 [main+0x44]
(drv_module_reload:2362) igt_core-INFO:   #6 [__libc_start_main+0xe7]
(drv_module_reload:2362) igt_core-INFO:   #7 [_start+0x2a]
****  END  ****

Full traces at:
https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4469/fi-skl-iommu/igt@drv_module_reload@basic-reload.html

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4469/fi-skl-iommu/igt@drv_module_reload@basic-no-display.html

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_4469/fi-skl-iommu/igt@drv_module_reload@basic-reload-inject.html

History:
https://intel-gfx-ci.01.org/tree/drm-tip/fi-skl-iommu.html

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