On 2016-11-04 17:46, Radzykewycz, T (Radzy) wrote: > ________________________________________ >> From: herve [herve@couvelard.com] >> Sent: Friday, November 04, 2016 9:26 AM >> To: debian-security@lists.debian.org >> Subject: Re: Userdata stays in RAM after Logout and Relogin >> >> On 04/11/2016 17:01, H. N. wrote: >>> Hello, >>> >>> Sometimes it occurs, that the background Image of my desktop of is >>> somehow corrupted. > <snip> >>> I wonder that the RAM used by the user isn't cleared after logout. >>> >>> My System: >>> Debian 8, Gnome Desktop currently used. >>> No major system modifications done >>> >>> I MIGHT NOT BE IN SECURITY MAILING LIST (I DON'T KNOW, HAD A FEW >>> PROBLEMS HERE), SO PLEASE SEND RESPONSE-EMAILS DIRECTLY TO >>> deb_mailinglist@niemeczek.at TOO. >>> >> Ram or graphic ram ? >> could be a bug in the video driver ? >> >> hervé > That's what I assumed when I read it: video driver bug. > It might also be a hardware issue, where graphic RAM is not > cleared on reset. Or given the nature of video devices, perhaps a > combination of the two: a driver bug that expects certain generic > behavior combined with a device that expects a custom, proprietary, > vendor-provided driver to work correctly. > > I have no idea whether H.N.'s system uses it, but I guess that > the USB graphic devices (DisplayLink et.al.) are probably prone > to this kind of issue, both on the displays that they connect to > and to the other displays on the primary graphics device. > > Enjoy! > > -- radzy > Thanks for the help. My setup, just for information: Nvidia GTX790 (I think) with 4 screens connected. Two of the screens are connected by Logilink Adapters DP to HDMI. I am using the driver from Nvidias Website. Can (and should I) report the problem to Nvidia? (and recieving Messages from the Mailinglist luckily works)
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