Google Pixel’s Random Stuttering Woes May End Soon as Developer Finds Custom Kernel Fix

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Pixel’s Random Stuttering Woes May End Soon as Developer Finds Custom Kernel Fix

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’s Pixel smartphones have excelled with AI tricks, yet software performance has consistently been a challenge. Stuttering or microstutters have always been a problem with Pixel devices, going back to the Pixel 6 series. However, new and updated hardware (like on the latest Pixel 9 series) somehow manages to make up for what is known to be a kernel-related issue. There’s even a

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on

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’s official Issue Tracker, which has been up since April 2024 (along with two other duplicates) that has pointed out the same, with no resolution from

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in sight. Finally, a developer decided to take things into his own hands and has come up with a fix that should hopefully be incorporated in

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’s official software channels for everyone.

A developer, Sultan Alsawaf, who offers a custom kernel for some Pixel models, seems to have found a

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to the Pixel’s micro stutters. The developer claims that it is basically a bandwidth management problem. This has to do with the incorrect use of “lock” or “turn-taking rule,” which limits the number of OS queries on a specific path.

He claims that

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uses the term “lock” incorrectly, as it is not strict enough in practice (btsdev->lock vs a mutex_lock). This allows an excessive number of operating system items to share the same path at any given time, akin to a traffic jam caused by too many vehicles clogging a street. This, according to the developer, chokes up the operating system, leading to stuttering at random instances. This is a topic we have previously discussed in our Pixel reviews.

The developer also claims that he has found a fix that has been implemented in his custom kernel that can be flashed on supported devices. The fix implements the right use of “lock” which actually limits the number of OS items, avoiding overloading and more precise bandwidth calculations to the CPU for processing.

Alsawaf has already sent

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his fix for the issue. So, hopefully,

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implements the kernel changes in a future update for all its Pixel smartphones. Those interested in flashing the developer’s custom kernel can also go ahead with the same, but it comes with a clear risk of wiping your data or ending up with a bricked phone. Therefore, it is advisable to simply wait for

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to deliver an official fix.

 

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