Re: Mauvaise résolution d'écran suite à changement d'écran

[Pascal Hambourg <pascal@plouf.fr.eu.org>]

Le 24/12/2016 à 12:51, Nicolas Hussein a écrit :
> ~$ sudo get-edid | parse-edid
> parse-edid: parse-edid version 2.0.0
> [sudo] password for nicolas:
> get-edid: get-edid version 2.0.0
>
> 	Performing real mode VBE call
> 	Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
> 	Function supported
> 	Call successful
>
> 	VBE version 300
> 	VBE string at 0x11100 "NVIDIA"
>
> VBE/DDC service about to be called
> 	Report DDC capabilities
>
> 	Performing real mode VBE call
> 	Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
> 	Function supported
> 	Call successful
>
> 	Monitor and video card combination does not support DDC1 transfers
> 	Monitor and video card combination does not support DDC2 transfers
> 	0 seconds per 128 byte EDID block transfer
> 	Screen is not blanked during DDC transfer
>
> Reading next EDID block
>
> VBE/DDC service about to be called
> 	Read EDID
>
> 	Performing real mode VBE call
> 	Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
> 	Function supported
> 	Call failed
>
> The EDID data should not be trusted as the VBE call failed
> Error: output block unchanged
> parse-edid: IO error reading EDID

La lecture des données EDID a échoué.
Quelque chose dans les logs du noyau ou de Xorg concernant EDID ou DDC ?