刚刚在笔记本电脑上进行了常规 ubuntu 更新。现在在“关于”>“详细信息”中显示
图形:llvmpipe(LLVM 6.0,256 位)
更新前显示“Intel Graphics(CofeeLake 之类的...)”。gnome-shell CPU 使用率现在也显著上升。如何恢复?
sudo lspci -v 输出(相关行):
VGA compatible controller: Intel Corporation UHD Graphics 620 (rev 07) (prog-if 00 [VGA controller]) Subsystem: Lenovo UHD Graphics 620 Flags: bus master, fast devsel, latency 0, IRQ 11 Memory at a0000000 (64-bit, non-prefetchable) [size=16M] Memory at 90000000 (64-bit, prefetchable) [size=256M] I/O ports at 3000 [size=64] [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: [40] Vendor Specific Information: Len=0c <?> Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00 Capabilities: [ac] MSI: Enable- Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [100] Process Address Space ID (PASID) Capabilities: [200] Address Translation Service (ATS) Capabilities: [300] Page Request Interface (PRI) Kernel modules: i915
答案1
已修复,使用此处答案的步骤 1 和 2: Ubuntu 18.04 无法与英特尔集成显卡配合使用
它解释了如何强制 Xorg 使用英特尔驱动程序。但它为什么一开始就停止使用它们仍然是个谜。