Quando retomo meu HP 8440p do modo de espera, meu monitor é ativado, mas permanece em branco - apenas uma tela branca.
O diário mostra as seguintes entradas de log ao entrar no modo de espera:
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...
e, quando retomar, o nouveau me diz que 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
Eu não quero usar o driver nvidia oficial porque traz outros problemas. Alguns detalhes sobre o meu sistema:
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]