查看系统信息如下：
2018-10-12T21:07:45.239359+08:00 localhost kernel: [ 1538.727248] sched: RT throttling activated
2018-10-12T21:07:45.239485+08:00 localhost kernel: [ 1538.727250] NVRM: Xid (PCI:0000:01:00): 79, GPU has fallen off the bus.
2018-10-12T21:07:45.239491+08:00 localhost kernel: [ 1538.727251] NVRM: GPU at 0000:01:00.0 has fallen off the bus.
2018-10-12T21:07:45.239492+08:00 localhost kernel: [ 1538.727257] NVRM: A GPU crash dump has been created. If possible, please run
2018-10-12T21:07:45.239493+08:00 localhost kernel: [ 1538.727257] NVRM: nvidia-bug-report.sh as root to collect this data before
2018-10-12T21:07:45.239494+08:00 localhost kernel: [ 1538.727257] NVRM: the NVIDIA kernel module is unloaded.
2018-10-12T21:07:53.495571+08:00 localhost kernel: [ 1546.983016] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000917c:0:0:0x0000000f
2018-10-12T21:07:53.495588+08:00 localhost kernel: [ 1546.983451] nvidia-modeset: ERROR: GPU:0: Failed to query display engine channel state: 0x0000917c:0:0:0x0000000f
有遇到类似情况嘛？只会dota2中出现，运行游戏大概两分钟左右会出现游戏僵死，键盘和鼠标失效，只有硬重启了，其它steam游戏无碍。