vmware虚拟机ubuntu开机黑屏问题解决

早上开ubuntu虚拟机的时候发现开机界面可以显示，但进去后就黑屏了。

我感觉是图形界面的问题，于是尝试ssh连接，连上了，查看内核情况：

#dmesg
[    6.065797] cryptd: max_cpu_qlen set to 1000
[    6.094021] NET: Registered protocol family 40
[    6.148656] AVX2 version of gcm_enc/dec engaged.
[    6.148657] AES CTR mode by8 optimization enabled
[   22.790820] [drm:vmw_cotable_resize [vmwgfx]] *ERROR* Failed waiting for cotable unbind.
[   22.790845] [drm:vmw_resource_validate [vmwgfx]] *ERROR* Out of device device resources for context guest backed object tables.
[   22.790850] [drm:vmw_validation_res_validate [vmwgfx]] *ERROR* Failed to validate resource.
[   33.026133] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:crtc-0] flip_done timed out
[   43.267720] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:33:plane-0] flip_done timed out
[   53.508250] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:crtc-0] flip_done timed out
[   63.748037] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:33:plane-0] flip_done timed out
[   78.848761] [drm:vmw_cotable_resize [vmwgfx]] *ERROR* Failed waiting for cotable unbind.
[   78.848785] [drm:vmw_resource_validate [vmwgfx]] *ERROR* Out of device device resources for context guest backed object tables.
[   78.848792] [drm:vmw_validation_res_validate [vmwgfx]] *ERROR* Failed to validate resource.
[   89.088949] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:crtc-0] flip_done timed out
[   99.329846] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CONNECTOR:35:Virtual-1] flip_done timed out
[  109.569247] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:33:plane-0] flip_done timed out
[  119.809712] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [CRTC:37:crtc-0] flip_done timed out
[  130.051274] [drm:drm_atomic_helper_wait_for_dependencies [drm_kms_helper]] *ERROR* [PLANE:33:plane-0] flip_done timed out

我去搜索解决方法，网上找不到任何有用的信息。

我想到把CPU的核数降到2个，不用4个，就成功启动了。。。。。。。。

可能是vmware的问题吧。