[Bug 68728] New: segfault in gen6_render_composite

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68728

          Priority: medium
            Bug ID: 68728
          Assignee: chris at chris-wilson.co.uk
           Summary: segfault in gen6_render_composite
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: blocker
    Classification: Unclassified
                OS: All
          Reporter: hvtaifwkbgefbaei at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/intel
           Product: xorg

instant crash on starting google-chrome with git-92a43caab96e7f
but c451a471fbe works

(EE) Backtrace:
(EE) 0: X (OsSigHandler+0x49) [0x46e849]
(EE) 1: /lib64/libpthread.so.0 (__restore_rt+0x0) [0x7f562aa1bfff]
(EE) 2: /usr/lib64/xorg/modules/drivers/intel_drv.so
(gen6_render_composite+0xd9d) [0x7f5627d6d7fd]
(EE) 3: /usr/lib64/xorg/modules/drivers/intel_drv.so (sna_composite+0x7b8)
[0x7f5627ceb388]
(EE) 4: X (damageComposite+0x162) [0x520652]
(EE) 5: X (ProcRenderComposite+0x14a) [0x519f5a]
(EE) 6: X (Dispatch+0x3c7) [0x436e37]
(EE) 7: X (main+0x3ea) [0x4263ea]
(EE) 8: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x7f5629428a05]
(EE) 9: X (deregister_tm_clones+0x11) [0x4266f9]
(EE) 10: ? (?+0x11) [0x11]
(EE) 
(EE) Segmentation fault at address 0x8
(EE) 
Fatal server error:
(EE) Caught signal 11 (Segmentation fault). Server aborting
(EE)

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