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charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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). Best, Alex _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel