当我将 HP 8440p 从待机状态恢复时，我的显示屏被激活但仍然空白 - 只是一个白屏。
当进入待机状态时，日志会显示以下日志条目：
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: suspending console...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: suspending display...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: evicting buffers...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: waiting for kernel channels to go idle...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: suspending client object trees...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: suspending kernel object tree...
当恢复时，nouveau 告诉我link training failed：
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: resuming kernel object tree...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: resuming client object trees...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: DRM: resuming display...
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: disp: outp 00:0006:0344: link training failed
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: disp: outp 00:0006:0344: link training failed
Mar 24 22:15:00 myNotebook kernel: nouveau 0000:01:00.0: disp: outp 00:0006:0344: link not trained before attach
我不想使用官方的 nvidia 驱动程序，因为它会带来其他问题。有关我的系统的一些详细信息：
lspci | grep NV
01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [NVS 3100M] (rev a2)
01:00.1 Audio device: NVIDIA Corporation High Definition Audio Controller (rev a1)
uname -r
4.4.5-1-ARCH
pacman -Ss nouveau | grep installed
extra/mesa 11.1.2-1 [installed]
extra/xf86-video-nouveau 1.0.12-1 (xorg-drivers xorg) [installed]
multilib/lib32-mesa 11.1.2-1 [installed]