[Bug 99470] New: Play video and games at the same time while the power is lower than 10% will cause segfault some times on Chromebook

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=99470

            Bug ID: 99470
           Summary: Play video and games at the same time while the power
                    is lower than 10% will cause segfault some times on
                    Chromebook
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: glody.guo at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

System Environment
=======
Board Name: Lars
CPU (including SKU, stepping): Intel(R) Celeron(R) CPU 3855U @ 1.60GHz
Memory Configuration: 4G
OS image version:9128.0.2016_12_28_1426
Chromium browser version: 56.0.2895.0
IGT version: f683929
Kernel version: 4.10.0-rc1-11391-g81f56e3
Regression?
=======
Bug detailed description
=======
Play video and games at the same time while the power is lower than 10% will
cause segfault some times
Reproduce Steps
==============
1. Play something until the power is lower than 10%
2. Plug external monior and play some videos on external monitor
3. Open zh.y8.com/games/traffic_road and play it.
4. Try to drug and drop the Chrome tab.
Expected Result
=============
Chrome works well without hang or crash
Actual Result
===========
Chrome crashed with dmesg error below
[12782.039810] chrome[30873]: segfault at 0 ip 000055e7e50d104f sp
00007ffd9a071fd0 error 4 in chrome[55e7e25e8000+9560000]
[12908.504210] chrome[2925]: segfault at 0 ip 000062b07c39004f sp
00007ffe77c76f40 error 4 in chrome[62b0798a7000+9560000]
[77833.579857] chrome[3633]: segfault at 0 ip 0000605f7c41304f sp
00007ffef1d9eda0 error 4 in chrome[605f7992a000+9560000]
Analysis & Root Cause
===================

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