[Bug 79709] New: [IVB/HSW/BYT-M/BDW Regression]After running synmark2_OglBatch0 causes X crash

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79709

          Priority: medium
            Bug ID: 79709
          Assignee: chris at chris-wilson.co.uk
           Summary: [IVB/HSW/BYT-M/BDW Regression]After running
                    synmark2_OglBatch0 causes X crash
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jianx.zhou at intel.com
          Hardware: All
            Status: NEW
           Version: git
         Component: Driver/intel
           Product: xorg

Platform: IVB/HSW/BYT-M/BDW
Libdrm: (master)libdrm-2.4.54-9-g8fc62ca8ac010659023bb63c4759eb683de4f9af
Mesa: (master)cf29913aa156accbe60cb35f9a0bd2c21726cfa3
Xserver: (master)xorg-server-1.15.99.903
Xf86_video_intel:
(master)2.99.911-256-g08148896196443a8582c30b47ff546acca78d69c
Cairo: (master)ead5c7909f3db1d0d81121fc2775c458871891b2
Libva: (staging)35e70cb9b9c77dfb99fb370e319ed501f0c31b17
Libva_intel_driver: (staging)fbbe401aa28a0b3859d587ef08f0df15a2f7c8f2
Kernel:(drm-intel-nightly)git-0a37b5

Bug detailed description:
----------------------------------------------
After running synmark2_OglBatch0 causes X crash on IVB/HSW/BYT-M/BDW. The
problem exists on gnome-session and Raw X. It’s  Xserver regression, Please see
dmesg.log and Xorg.o.log.
By bisected show the first bad commit is :
e6f5d9d7b7efdacea0f22f1808efca849bcede4c
Author:     Keith Packard <keithp at keithp.com>
AuthorDate: Mon Jan 27 11:23:58 2014 -0800
Commit:     Keith Packard <keithp at keithp.com>
CommitDate: Wed Jun 4 22:03:35 2014 -0700
    present: Queue flips for later execution

output log:
X: present_screen.c:94: present_clear_window_flip: Assertion
`flip_pending->abort_flip' failed.
XIO:  fatal IO error 11 (Resource temporarily unavailable) on X server ":0.0"
xterm: fatal IO error 11 (Resource temporarily unavailable) or KillClient on X
server ":0"
      after 979 requests (979 known processed) with 0 events remaining.
xinit: connection to X server lost
[1]+  Done                    xinit  (wd: ~)
(wd now: /usr/local/games/OpenGL/SynMark2)

Reproduce steps:
---------------------------------------------
1. xinit&
2. ./synmark2 OglBatch0

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