[Bug 84891] New: [BSW Regression]igt/gem_concurrent_blit/gtt-bcs-overwrite-source-forked fails

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Oct 10 20:27:59 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=84891

            Bug ID: 84891
           Summary: [BSW
                    Regression]igt/gem_concurrent_blit/gtt-bcs-overwrite-s
                    ource-forked fails
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Keywords: bisect_pending
          Severity: normal
          Priority: high
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: jinxianx.guo at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 107690
  --> https://bugs.freedesktop.org/attachment.cgi?id=107690&action=edit
dmesg

==System Environment==
--------------------------
Regression: Yes.
It's a igt regression bug 
Good commit: 1244fc6b9bc56cdf1584e919230796082b93f371(here has another bug
84354)
Bud commit: 32a0308e2da1ed5871e21ca81822fc0c8aa73f9e

Non-working platforms: BSW

==kernel==
--------------------------
origin/drm-intel-nightly: ea4bec8e96ea8b33b49a7892c1c7f20041a56da6(fails)
    drm-intel-nightly: 2014y-10m-09d-07h-58m-45s UTC integration manifest
origin/drm-intel-next-queued: a128efeaa64609a9672b51bb37bb703e1b0f0128(fails)
    drm/i915: Suppress no action noise from oom shrinker
origin/drm-intel-fixes: bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9(fails)
    Linux 3.17

==Bug detailed description==
igt/gem_concurrent_blit/gtt-bcs-overwrite-source-forked fails

Output:
[root at x-bsw01 tests]# ./gem_concurrent_blit --run-subtest
gtt-bcs-overwrite-source-forked
IGT-Version: 1.8-g32a0308 (x86_64) (Linux:
3.17.0_drm-intel-nightly_ea4bec_20141011+ x86_64)
using 2x512 buffers, each 1MiB
Test assertion failure function gtt_cmp_bo, file gem_concurrent_blit.c:124:
Failed assertion: vaddr[y*width+y] == val
error: 0xf000eef3 != 0xa
child 6 failed with exit status 99
Subtest gtt-bcs-overwrite-source-forked: FAIL (1.482s)
[root at x-bsw01 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<3>[    2.201775] [drm:i915_stolen_to_physical] *ERROR* conflict detected with
stolen region: [0x7ce00000 - 0x7ee00000]
<3>[    2.288612] [drm:intel_cpu_fifo_underrun_irq_handler] *ERROR* CPU pipe A
FIFO underrun



==Reproduce steps==
---------------------------- 
1. ./gem_concurrent_blit --run-subtest gtt-bcs-overwrite-source-forked

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