我在我的Ubuntu 14.04上升级到了图形安装程序1.0.6,并使用Intel图形安装程序安装了驱动程序。笔记本电脑采用Intel Ivybridge处理器和Intel HD显卡。它支持Optimus技术,但是我已经在BIOS中禁用了Nvidia显卡。Intel图形安装程序安装了i915-3.15-3.13-dkms.deb软件包,我猜这就是更新的驱动程序。但是当我启动时,它会引发一系列错误信息。以下是我启动时从dmesg中获取的相关错误信息:
什么可能是问题所在,它会影响性能吗?我尝试移除该软件包后错误消失了,但我想这样就运行着一个较旧的驱动程序了吧?
[ 7.206151] drm: module verification failed: signature and/or required key missing - tainting kernel
[ 7.208045] drm: module has bad taint, not creating trace events
[ 7.336470] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver
[ 7.393854] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013)
[ 7.393855] [drm] Driver supports precise vblank timestamp query.
[ 7.393921] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 7.505798] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5
[ 7.507233] init: Failed to obtain startpar-bridge instance: Unknown parameter: INSTANCE
[ 7.944183] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO underrun
[ 8.368479] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 8.368480] i915 0000:00:02.0: registered panic notifier
[ 8.818416] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
什么可能是问题所在,它会影响性能吗?我尝试移除该软件包后错误消失了,但我想这样就运行着一个较旧的驱动程序了吧?