[Bug 72740] New: [SNB/IVB/HSW/BYT]igt/gem_reset_stats causes *ERROR* render ring hung inside bo (0x592000 ctx 2) at 0x5928a4

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72740

          Priority: medium
            Bug ID: 72740
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [SNB/IVB/HSW/BYT]igt/gem_reset_stats causes *ERROR*
                    render ring hung inside bo (0x592000 ctx 2) at
                    0x5928a4
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 90816
  --> https://bugs.freedesktop.org/attachment.cgi?id=90816&action=edit
dmesg

System Environment:
--------------------------
Platform: SNB/IVB/HSW/BYT
kernel:   (drm-intel-nightly)22dd82bce1840fe48d683a29cccc443281b10248

Bug detailed description:
-------------------------
It happens on SNB/IVB/HSW/BYT with -queued, -fixes and -nightly kernel.It's a
new case.

Run: ./gem_reset_stats --run-subtest ban

output:
IGT-Version: 1.5-g62e1cbc (i686) (Linux:
3.13.0-rc3_drm-intel-nightly_22dd82_20131215+ i686)
Subtest ban: SUCCESS


Reproduce steps:
----------------------------
1. ./gem_reset_stats --run-subtest ban

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