It doesn't happen always, when playing 1080p videos from FreeTube. Sometimes, it even happens when watching 240p videos (but it takes more time to happen).
Although, it always happens when watching to high quality Discord screen sharing.
I'm not necessarily looking for a solution, because there might be none. I need to know how I can debug this.
what I have already
- switching from video window to terminal (
alt + tab), makes CPU load drop about 50%;
- when I use
htopcommand, it shows that the villain is Firefox, sometimes (even though Firefox is just there, with only
- I've just installed
psensorand set an alarm, so I know if this is related to CPU temperature. I'll let you know about possible outcomes.
what do I do to investigate this further, guys? I never faced this problem on Windows, using this laptop. Being able to share my screen on Discord is very important!
I've got 4GB RAM.
Distributor ID: Ubuntu Description: Ubuntu 20.10 Release: 20.10 Codename: groovy
Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 36 bits physical, 48 bits virtual CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 1 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 37 Model name: Intel(R) Core(TM) i5 CPU M 560 @ 2.67GHz Stepping: 5 CPU MHz: 2659.929 BogoMIPS: 5319.85 Virtualization: VT-x L1d cache: 64 KiB L1i cache: 64 KiB L2 cache: 512 KiB L3 cache: 3 MiB NUMA node0 CPU(s): 0,1 Vulnerability Itlb multihit: KVM: Mitigation: VMX disabled
lspci | grep VGA:
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
I ran this command, as requested:
$ sudo apt install -y vainfo
libva info: VA-API version 1.8.0 libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so libva info: Found init function __vaDriverInit_1_8 libva error: /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so init failed libva info: va_openDriver() returns 1 libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so libva info: Found init function __vaDriverInit_1_6 libva info: va_openDriver() returns 0 vainfo: VA-API version: 1.8 (libva 2.8.0) vainfo: Driver version: Intel i965 driver for Intel(R) Ironlake Mobile - 2.4.0 vainfo: Supported profile and entrypoints VAProfileMPEG2Simple : VAEntrypointVLD VAProfileMPEG2Main : VAEntrypointVLD VAProfileH264ConstrainedBaseline: VAEntrypointVLD VAProfileH264Main : VAEntrypointVLD VAProfileH264High : VAEntrypointVLD VAProfileNone : VAEntrypointVideoProc