我的系统会随机冻结 2 到 3 秒。键盘、显示器、鼠标光标甚至音频在这段时间内都停止响应!虽然我使用 Windows 时没有问题。最近我将系统从 16.04 升级到 18.04,但问题仍然存在。我认为显卡驱动程序是罪魁祸首,尽管我不确定。我正在使用 Dell Inspiron N5442,cpu:第四代 Intel(R) Core(TM) i3-4005U,gpu:AMD Radeon(TM) HD R5 M240 2GB DDR3,ram:4 Giga。我没有安装任何其他驱动程序。
以下是输出lshw -c video
*-display
description: VGA compatible controller
product: Haswell-ULT Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 0b
width: 64 bits
clock: 33MHz
capabilities: msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: irq:47 memory:c0000000-c03fffff memory:b0000000-bfffffff ioport:5000(size=64) memory:c0000-dffff
*-display
description: Display controller
product: Jet XT [Radeon R5 M240]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:03:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:48 memory:a0000000-afffffff memory:c0500000-c053ffff ioport:3000(size=256) memory:c0540000-c055ffff
答案1
GRUB_CMDLINE_LINUX="radeon.dpm=0 radeon.aspm=0 radeon.bapm=0 radeon.runpm=0"
通过添加 解决了这个问题/etc/default/grub