所有视频播放器（包括浏览器）在重新启动之前都无法播放任何视频 [Ubuntu 20.04]

Question

经过一段时间的正常运行（非常随机，可能会在 2 天或一个小时后发生），我的计算机上的视频开始冻结。没有错误消息，任何视频播放都会像暂停一样停止，尽管您可以通过进度条或箭头键浏览视频帧。

据我所知，这种情况在每个视频播放器中都会发生：

• 火狐和铬
• 可见光通信
• 播放器
• 图腾

重启后，一段时间一切正常。

System:    Kernel: 5.11.0-40-generic x86_64 bits: 64 compiler: N/A Desktop: Gnome 3.36.9 
           Distro: Ubuntu 20.04.3 LTS (Focal Fossa) 
Machine:   Type: Laptop System: Dell product: G7 7700 v: N/A serial: <filter> 
           Mobo: Dell model: 06YKK0 v: A00 serial: <filter> UEFI: Dell v: 1.5.0 date: 10/23/2020 
Battery:   ID-1: BAT0 charge: 78.4 Wh condition: 78.4/97.0 Wh (81%) model: BYD DELL XYCW00A status: Full 
CPU:       Topology: 6-Core model: Intel Core i7-10750H bits: 64 type: MT MCP arch: N/A L2 cache: 12.0 MiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 62399 
           Speed: 900 MHz min/max: 800/5000 MHz Core speeds (MHz): 1: 3799 2: 3549 3: 1570 4: 3782 5: 2481 6: 1447 7: 1097 
           8: 900 9: 900 10: 900 11: 900 12: 900 
Graphics:  Device-1: Intel UHD Graphics vendor: Dell driver: i915 v: kernel bus ID: 00:02.0 
           Device-2: NVIDIA vendor: Dell driver: nvidia v: 460.91.03 bus ID: 01:00.0 
           Display: x11 server: X.Org 1.20.11 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa 
           resolution: 1920x1080~144Hz 
           OpenGL: renderer: GeForce RTX 2070/PCIe/SSE2 v: 4.6.0 NVIDIA 460.91.03 direct render: Yes 
Audio:     Device-1: Intel Comet Lake PCH cAVS vendor: Dell driver: sof-audio-pci bus ID: 00:1f.3 
           Device-2: NVIDIA TU106 High Definition Audio vendor: Dell driver: snd_hda_intel v: kernel bus ID: 01:00.1 
           Sound Server: ALSA v: k5.11.0-40-generic 
Network:   Device-1: Intel Wi-Fi 6 AX201 vendor: Bigfoot Networks driver: iwlwifi v: kernel port: 5000 bus ID: 00:14.3 
           IF: wlp0s20f3 state: up mac: <filter> 
           Device-2: Realtek vendor: Dell driver: r8169 v: kernel port: 3000 bus ID: 3b:00.0 
           IF: enp59s0 state: down mac: <filter> 
           IF-ID-1: br-24d6c5dc8ee5 state: down mac: <filter> 
           IF-ID-2: br-8aa82a8a8e13 state: down mac: <filter> 
           IF-ID-3: docker0 state: down mac: <filter> 
Drives:    Local Storage: total: 476.94 GiB used: 431.01 GiB (90.4%) 
           ID-1: /dev/nvme0n1 model: KBG40ZNS512G NVMe KIOXIA 512GB size: 476.94 GiB 
Partition: ID-1: / size: 466.30 GiB used: 430.53 GiB (92.3%) fs: ext4 dev: /dev/dm-1 
           ID-2: /boot size: 704.5 MiB used: 484.9 MiB (68.8%) fs: ext4 dev: /dev/nvme0n1p2 
           ID-3: swap-1 size: 980.0 MiB used: 3.5 MiB (0.4%) fs: swap dev: /dev/dm-2 
Sensors:   System Temperatures: cpu: 46.0 C mobo: N/A gpu: nvidia temp: 47 C 
           Fan Speeds (RPM): N/A

Answer 1

此类问题有时是由硬件加速错误引起的。尝试关闭 Firefox 或 Chromium 中的硬件加速，看看是否仍然遇到此问题。