(In reply to comment #107) > So, i tasted with latest git 3.10.0-rc7-00854-gf19c9d3 - same result. > > (gdb) l *intel_crtc_set_config+0x216 > 0x2bab0 is in intel_crtc_set_config > (/home/lex/tmp/linux/drivers/gpu/drm/i915/intel_display.c:8678). > 8673 int num_connectors) > 8674 { > 8675 int i; > 8676 > 8677 for (i = 0; i < num_connectors; i++) > 8678 if (connectors[i].encoder && > 8679 connectors[i].encoder->crtc == crtc && > 8680 connectors[i].dpms != DRM_MODE_DPMS_ON) > 8681 return true; > 8682 > > > I noticed that in some circumstances i null pointer dereference on xhci > driver. Interesting, are these errors connected? Or may be there is some > memory region used by what ever, bios, efi?
This OOPS is fixed by commit 2e57f47d317dd035b18634b0c602272529368fcc Author: Chris Wilson <ch...@chris-wilson.co.uk> Date: Wed Jul 17 12:14:40 2013 +0100 drm/i915: Fix dereferencing invalid connectors in is_crtc_connector_off() In commit e3de42b68478a8c95dd27520e9adead2af9477a5 Author: Imre Deak <imre.d...@intel.com> Date: Fri May 3 19:44:07 2013 +0200 drm/i915: force full modeset if the connector is in DPMS OFF mode No idea why VT-d affects that at all. -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/946311 Title: only external screen is working with asus zenbook ux31e [eDP1] To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/946311/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp