Y485P在ubuntu下只能搜到一个显卡
清风水岸 2014-04-12 05:24:19 写了一个程序,确定程序没有问题的,在Windows下可以正常搜到3个设备,但是在linux下只有一个设备可以搜到,但是通过如下命令sudo lshw -v video可以看到:
WARNING: you should run this program as super-user.
*-display
description: VGA compatible controller
product: Richland [Radeon HD 8650G]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 1
bus info: pci@0000:00:01.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=fglrx_pci latency=0
resources: irq:54 memory:d0000000-dfffffff ioport:5000(size=256) memory:e8400000-e843ffff
*-display
description: VGA compatible controller
product: Mars XTX [Radeon HD 8790M]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: vga_controller bus_master cap_list rom
configuration: driver=fglrx_pci latency=0
resources: irq:55 memory:e0000000-e7ffffff memory:e8300000-e833ffff ioport:4000(size=256) memory:e8340000-e835ffff
WARNING: output may be incomplete or inaccurate, you should run this program as super-user.
nuaa@nuaa-Y485P:~/workspace/opencl$ sudo lshw -c video
[sudo] password for nuaa:
*-display
description: VGA compatible controller
product: Richland [Radeon HD 8650G]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 1
bus info: pci@0000:00:01.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=fglrx_pci latency=0
resources: irq:54 memory:d0000000-dfffffff ioport:5000(size=256) memory:e8400000-e843ffff
*-display
description: VGA compatible controller
product: Mars XTX [Radeon HD 8790M]
vendor: Hynix Semiconductor (Hyundai Electronics)
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 rom
configuration: driver=fglrx_pci latency=0
resources: irq:55 memory:e0000000-e7f
有两个显卡,怎么才能搜到3个呢?就是两个显卡都工作。