On Sat, 13 Jul 2019 at 13:43, Alex Dewar <alex.dewar@xxxxxxxxx> wrote: > > On 13/07/2019 16:17, Heiko Stuebner wrote: > > Hi, > > > > Am Samstag, 13. Juli 2019, 13:38:45 CEST schrieb Alex Dewar: > >> I initially thought my machine was failing to boot entirely, but it > >> turns out it was just failing to start the display manager. I managed to > >> escape to a tty by hammering the keyboard a bit. > >> > >> I suspect the culprit is the rockchip_vpu driver (in staging/media), > >> which has been renamed to hantro in this merge window. When I run startx > >> from a terminal, X fails to start and Xorg segfaults (log here: > >> http://users.sussex.ac.uk/~ad374/xorg.log). X seems to work without any > >> issues in v5.1. > > > > 5.2 also has support for Panfrost (Mali-Midgard GPUs) but I'm not > > sure if it already can support X11 yet and your X11 log mentions > > libglamoregl in the segfault stack trace. > > > > Apart from it bisect that Greg suggested you could also just try > > blacklisting either panfrost or vpu kernel modules > > /etc/udev/somewhere . This would prevent them from loading > > > > Hope that helps > > Heiko > > > > > > Hi Heiko, > > Thanks for this. I blacklisted the panfrost driver and X magically > started working again. > > I'll try to do a bisect later to find the offending commit though. > > In related news, it also seems that the sound and wifi drivers aren't > working either in 5.2 (although I need to do a bit more testing to > confirm the latter). > Adding myself and Tomeu. Perhaps we need to disable Panfrost from defconfig from now? Regards, Eze _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
