From the Xorg.0.log.old:
(II) intel(0): [drm] removed 1 reserved context for kernel (II) intel(0): [drm] unmapping 8192 bytes of SAREA 0x2efff000 at 0x2b7a98298000 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 (EE) intel(0): I830 Vblank Pipe Setup Failed 0 (II) intel(0): xf86UnbindGARTMemory: unbind key 0 (II) intel(0): xf86UnbindGARTMemory: unbind key 1 (II) intel(0): xf86UnbindGARTMemory: unbind key 2 (II) intel(0): xf86UnbindGARTMemory: unbind key 3 (II) intel(0): xf86UnbindGARTMemory: unbind key 4
From the Xorg.0.log.old:
(II) intel(0): [drm] removed 1 reserved context for kernel emory: unbind key 0 emory: unbind key 1 emory: unbind key 2 emory: unbind key 3 emory: unbind key 4
(II) intel(0): [drm] unmapping 8192 bytes of SAREA 0x2efff000 at 0x2b7a98298000
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(EE) intel(0): I830 Vblank Pipe Setup Failed 0
(II) intel(0): xf86UnbindGARTM
(II) intel(0): xf86UnbindGARTM
(II) intel(0): xf86UnbindGARTM
(II) intel(0): xf86UnbindGARTM
(II) intel(0): xf86UnbindGARTM