seg fault in Fedora 25 with all desktop managers marco error 4 in libX11-xcb.so.1.0.0

Thomas L├╝bking thomas.luebking at gmx.de
Tue Apr 4 20:16:36 UTC 2017


On Tue, Apr 04, 2017 at 10:21:39AM -0400, Robert Kudyba wrote:

>Rebooted. Still seg fault. I created a Bugzilla entry at https://bugzilla.redhat.com/show_bug.cgi?id=1438059


Just a hunch but you're loading the (builtin) modesetting driver, vesa
and fbdev and they're apparently all in the process of probing the HW
and then you run into a pciaccess segfault.

=> try uninstalling xf86-video-vesa and xf86-video-fbdevhw (so you'll
only use the modesetting driver since apparently modesetting itself
seems to work and you don't have xf86-video-ati installed) and see
whether that makes any difference.
Also see eg. https://bugs.freedesktop.org/show_bug.cgi?id=81678 and
google for pci_device_vgaarb_init - this seems a quite common issue...

Cheers,
Thomas


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