[Bug 104872] New: [IGT] igt at kms_flip@2x-rcs-wf_vblank-vs-modeset Failed assertion: !"GPU hung" file igt_aux.c

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104872

            Bug ID: 104872
           Summary: [IGT] igt at kms_flip@2x-rcs-wf_vblank-vs-modeset Failed
                    assertion: !"GPU hung" file igt_aux.c
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ricardo.o.perez at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 137073
  --> https://bugs.freedesktop.org/attachment.cgi?id=137073&action=edit
CFL-dmesg-kernel-logs

CoffeeLake S UDIMM RVP QA system is failing with the following test:

igt at gem_sync@preempt-all

Running:
IGT-Version: 1.21-g37bd27f (x86_64) (Linux:
4.15.0-drm-intel-qa-ww5-commit-5f9f363+ x86_64)

Component: drm
    tag: libdrm-2.4.89-17-g1cc1774
    commit: 1cc17744b988106b4fe71ee9d3d17b651d6adb40

Component: cairo
    tag: 1.15.8-76-g6b05938
    commit: 6c675653b1cc325b78eb54dc3669ad207c653e2d

Component: intel-gpu-tools
    tag: intel-gpu-tools-1.20-310-g37bd27f
    commit: 37bd27f28a868c287faf361864a16e77b8d9246f

Component: piglit
    tag: piglit-v1
    commit: 736496667329bf73a706aebec6f8287078df79ae

grub_parameters="drm.debug=0x1e i915.alpha_support=1 intel_iommu=igfx_off
log_buf_len=4M i915.enable_guc=-1 i915.guc_log_level=1 auto panic=1
nmi_watchdog=panic fsck.repair=yes i915.error_capture=yes"

Ubuntu_16.10_64bit

**** DEBUG ****
(gem_sync:26386) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_sync:26386) igt-debugfs-DEBUG: Opening debugfs directory
'/sys/kernel/debug/dri/0'
(gem_sync:26386) igt-aux-CRITICAL: Test assertion failure function sig_abort,
file igt_aux.c:482:
(gem_sync:26386) igt-aux-CRITICAL: Failed assertion: !"GPU hung"
(gem_sync:26386) igt-core-INFO: Stack trace:
(gem_sync:26386) igt-core-INFO:   #0 [__igt_fail_assert+0x101]
(gem_sync:26386) igt-core-INFO:   #1 [sig_abort+0x3a]
(gem_sync:26386) igt-core-INFO:   #2 [killpg+0x40]
(gem_sync:26386) igt-core-INFO:   #3 [__wait+0x1e]
(gem_sync:26386) igt-core-INFO:   #4 [igt_waitchildren+0x61]
(gem_sync:26386) igt-core-INFO:   #5 [igt_waitchildren_timeout+0xe]
(gem_sync:26386) igt-core-INFO:   #6 [preempt+0x2c2]
(gem_sync:26386) igt-core-INFO:   #7 [__real_main785+0x6cf]
(gem_sync:26386) igt-core-INFO:   #8 [main+0x27]
(gem_sync:26386) igt-core-INFO:   #9 [__libc_start_main+0xf1]
(gem_sync:26386) igt-core-INFO:   #10 [_start+0x2a]
(gem_sync:26386) igt-core-INFO:   #11 [<unknown>+0x2a]
****  END  ****

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