SpiralLinux
Occaional media playback stutter #493
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Sometime earlier this year I started to notice that my laptop running SpiralLinux stutters when watching youtube videos. First I thought Google was messing with me because I usually use Invidious. Hence, I didn't investigate and it only happens occasionally. Now, I have realized that this is not limited to online media playback. When this computer has a stutter episode it affects all media playback including music and video living on its SSD. Computer vital statistics: Bog standard Lenovo X230 with newish battery and one year old SSD. Intel i5-3320M Observations: Stutter episodes are occasional, maybe once a day on average. Outside of these episodes everything runs smoothly. I have had this computer for several years and had no problems of this sort until earlier this year. Using btop I notice kworker is busy during stutter episodes. I do not know if the kworker activity is causing the stuttering or is just another thing triggered by whatever is causing the stuttering. I have noticed occasional higher than normal but less high kworker activity when there is no stuttering. CPU load is moderate (~10%) and there is room left in RAM during stutter episodes. Hence, I don't think HW limitations cause this. Internet search: I see reports of Linux media playback stuttering being reported as far back as 10+ years ago but what I have found so far has not been very helpful. Any ideas? TIA /Martin |
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Replies: 2 comments 20 replies
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No-one? /Martin |
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Which browser are you using? Are there any extensions installed? Have you tried a different browser? |
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Did it also have playback stutter at that same time? |
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Yes but I think this is a case of correlation but not causality. Snapper-timeline.service runs each hour on the hour and I have observed it twice more and then there was no hint of stutter. Something else is causing the stutter. Something less frequent and quite possibly random. /Martin |
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Maybe wrong-thinking but what about tweaking kernel settings for low-latency or installing a low-latency kernel? /Martin |
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I decided to test the kernel settings for low-latency a month ago. I have had no stutter episode since then. I can't say with absolute certainty the low-latency tweaking was the cure since I up-date the system all the time. For now it seems this problem is history. /Martin |
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I decided to test the kernel settings for low-latency a month ago.
I have had no stutter episode since then. I can't say with absolute certainty the low-latency tweaking was the cure since I up-date the system all the time.
For now it seems this problem is history.
/Martin