我最近注意到，在长时间使用电脑后，会出现视觉故障。故障看起来像是遗留的瑕疵。我还注意到一些奇怪的渲染问题，它似乎以极快的速度在略有不同的位置进行渲染，使得出现故障的任何东西看起来都很模糊。最后，每当出现故障时，只要光标悬停在 Dock 上，Dock 似乎就会默认恢复到其原始大小。
我最近尝试安装 GNOME 主题 - System76 的 PopOS 主题。这可能是原因。我还附上了故障发生时的“重要”日志部分：
12:51:02 wpa_supplicant: dbus: Failed to construct signal
12:51:02 wpa_supplicant: dbus: Failed to construct signal
12:51:02 wpa_supplicant: dbus: wpa_dbus_get_object_properties: failed to get object properties: (none) none
12:51:02 systemd-rfkill: Failed to open device rfkill0: No such device
12:03:49 kernel: pcieport 0000:00:1c.0: [ 0] Receiver Error (First)
11:46:02 spice-vdagent: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0
11:46:01 pulseaudio: [pulseaudio] backend-ofono.c: Failed to register as a handsfree audio agent with ofono: org.freedesktop.DBus.Error.ServiceUnknown: The name org.ofono was not provided by any .service files
11:45:55 spice-vdagent: Cannot access vdagent virtio channel /dev/virtio-ports/com.redhat.spice.0
11:45:53 wpa_supplicant: dbus: Failed to construct signal
11:45:50 kernel: Couldn't get size: 0x800000000000000e
11:45:50 kernel: tpm_crb MSFT0101:00: [Firmware Bug]: ACPI region does not cover the entire command/response buffer. [mem 0xfed40000-0xfed4087f flags 0x201] vs fed40080 f80
故障发生时间大约在 12:51 左右。
硬件：戴尔 Inspiron 13 5000 服务标签 55QL3C2。Silicon POwer 480 GB SSD 第 7 代酷睿 i5，带集成显卡（英特尔高清显卡 620）英特尔双频无线 AC 3165 网络适配器