在iMac 21'' Mid 2011
我的电脑上AMD GPU
,似乎出了问题,无法启动macOS
,现在我启动了一个Ubuntu 21.10
具有持久文件系统的 USB,可以在终端中看到这两个卡。问题是如何加载卡Intel
而不是llvm
Ubuntu 当前使用的卡,我尝试了 AMD 和 Intel 的 GRUBmodeset
选项,但它们不起作用并导致黑屏,可能是因为 macOS 处理硬件访问的方式。
sudo lshw -c video
*-display UNCLAIMED
description: VGA compatible controller
product: Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list
configuration: latency=0
resources: memory:90000000-9fffffff memory:a8800000-a881ffff ioport:2000(size=256) memory:a8820000-a883ffff
*-display UNCLAIMED
description: Display controller
product: 2nd Generation Core Processor Family Integrated Graphics Controller
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 09
width: 64 bits
clock: 33MHz
capabilities: msi pm bus_master cap_list
configuration: latency=0
resources: memory:a8000000-a83fffff memory:a0000000-a7ffffff ioport:3000(size=64)