如题，安装了win7和ubuntu12.04双系统 但是每次启动ubuntu的时候 总是会先跳出一段错误提示信息 然后系统启动后也能正常使用
求教下这段错误信息是提示什么 感激不尽~~~
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:r600_uvd_init] ERROR UVD not responding,trying to reset the VCPU!!!
[drm:evergreen_startup] *ERROR* radeon:error initializing UVD (-1)
执行sudo lshw -numeric -class video后
*-display
description: VGA compatible controller
product: RV710/M92 [Mobility Radeon HD 4350/4550] [1002:9555]
vendor: Hynix Semiconductor (Hyundai Electronics)
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 32 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:44 memory:d0000000-dfffffff ioport:c000(size=256) memory:fe9f0000-fe9fffff memory:fe900000-fe91ffff
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