On 04.10.2013 13:20, Andreas Prieß wrote: > Since I don't know the cause and didn't find a way to debug this, here > are the symptoms: > > Ever since media-libs/mesa >= 9.1 went stable I had the problem, that > the switch from Xfce on VT7 back to VT1 on shutdown fails. The screen > goes black and does not show anything, but the system halts as normal. > It is not possible to switch to VT1 by keyboard while the shutdown is > still in progress when this has happened. > > I can't find anything in the Xorg or other log files according to this > problem. Can't find anything related in Gentoo bugzilla or searching the > web... > > The problem always disappeared by downgrading to mesa < 9.1, but that > now requires other packages to be downgraded too, so I'd like to resolve > this. > > It is an AMD64 system with an ATI Barts PRO [Radeon HD 6850] using KMS, > desktop session with Xfce started by x11-misc/lightdm. > > Any hints on how to debug this problem would be highly appreciated.
Maybe this is relevant... Xorg is running a dual head layout using xinerama instead of randr. Composite disabled since it does not work with this config.
