Hi, I am getting a General Protection Fault on 4.15-rc1, and the X11 screen locks up. Nov 27 10:16:37 babelfish kernel: Call Trace: Nov 27 10:16:37 babelfish kernel: ? __i915_gem_object_flush_for_display+0x13/0x40 [i915] Nov 27 10:16:37 babelfish kernel: i915_gem_object_wait_priority+0xb2/0x170 [i915] Nov 27 10:16:37 babelfish kernel: intel_prepare_plane_fb+0x16e/0x2e0 [i915] Nov 27 10:16:37 babelfish kernel: drm_atomic_helper_prepare_planes+0x4c/0xd0 Nov 27 10:16:37 babelfish kernel: intel_atomic_commit+0xa3/0x280 [i915] Nov 27 10:16:37 babelfish kernel: drm_atomic_helper_page_flip+0x7c/0x90 Nov 27 10:16:37 babelfish kernel: drm_mode_page_flip_ioctl+0x4c2/0x530 Nov 27 10:16:37 babelfish kernel: ? drm_mode_cursor2_ioctl+0x10/0x10 Nov 27 10:16:37 babelfish kernel: drm_ioctl_kernel+0x59/0xb0 Nov 27 10:16:37 babelfish kernel: drm_ioctl+0x2cb/0x380 Nov 27 10:16:37 babelfish kernel: ? drm_mode_cursor2_ioctl+0x10/0x10 Nov 27 10:16:37 babelfish kernel: ? vfs_writev+0xb9/0x110 Nov 27 10:16:37 babelfish kernel: do_vfs_ioctl+0xa1/0x610 Nov 27 10:16:37 babelfish kernel: SyS_ioctl+0x74/0x80 Nov 27 10:16:37 babelfish kernel: entry_SYSCALL_64_fastpath+0x13/0x6c I have attached the full GPF trace. (Haven't tried to login with ssh yet.) Mike.
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