下面列出的一系列消息只是一遍又一遍地重复/var/log/syslog。我在 Dell Latitude 7390 上运行 Xubuntu 21.04，并使用带有 DisplayLink 的 Dell D6000 底座。
Jun 11 17:43:30 hbotha-Latitude-7390 systemd[1]: displaylink-driver.service: Scheduled restart job, restart counter is at 6970.
Jun 11 17:43:30 hbotha-Latitude-7390 systemd[1]: Stopped DisplayLink Driver Service.
Jun 11 17:43:30 hbotha-Latitude-7390 systemd[1]: Starting DisplayLink Driver Service...
Jun 11 17:43:30 hbotha-Latitude-7390 sh[1274016]: modprobe: FATAL: Module evdi not found in directory /lib/modules/5.11.0-18-generic
Jun 11 17:43:30 hbotha-Latitude-7390 sh[1274045]: Kernel preparation unnecessary for this kernel. Skipping...
Jun 11 17:43:30 hbotha-Latitude-7390 sh[1274045]: Building module:
Jun 11 17:43:30 hbotha-Latitude-7390 sh[1274045]: cleaning build area...
Jun 11 17:43:31 hbotha-Latitude-7390 sh[1274045]: make -j8 KERNELRELEASE=5.11.0-18-generic all INCLUDEDIR=/lib/modules/5.11.0-18-generic/build/include KVERSION=5.11.0-18-generic DKMS_BUILD=1...(bad exit status: 2)
Jun 11 17:43:31 hbotha-Latitude-7390 sh[1274696]: ERROR (dkms apport): binary package for evdi: 5.2.14 not found
Jun 11 17:43:31 hbotha-Latitude-7390 sh[1274776]: Error! Bad return status for module build on kernel: 5.11.0-18-generic (x86_64)
Jun 11 17:43:31 hbotha-Latitude-7390 sh[1274776]: Consult /var/lib/dkms/evdi/5.2.14/build/make.log for more information.
Jun 11 17:43:31 hbotha-Latitude-7390 systemd[1]: displaylink-driver.service: Control process exited, code=exited, status=10/n/a
Jun 11 17:43:31 hbotha-Latitude-7390 systemd[1]: displaylink-driver.service: Failed with result 'exit-code'.
Jun 11 17:43:31 hbotha-Latitude-7390 systemd[1]: Failed to start DisplayLink Driver Service.
这些消息是什么意思，我需要做什么来解决这个问题（或进一步调试）？
答案1
问题在于我使用的 DisplayLink 驱动程序无法编译，这是某些驱动程序版本和 Linux 版本组合的已知问题。从 synaptics.com 下载并安装最新版本解决了该问题。