[LAD] Re: Status of Pipewire - Ryzen 5

On Thu, 9 Feb 2023 20:18:59 +0000
John Rigg <[email protected]> wrote:

>On Thu, Feb 09, 2023 at 02:33:18PM +0000, Will Godfrey wrote:
>> 
>> Something that may (or may not be related)
>> There seems to be something odd with Linux image 6.1 preempt
>> 
>> On a Ryzen 5, Rosegarden keeps randomly losing the transport timer
>> sometimes freezing for nearly a second (then blasts poor yoshimi with bunches
>> of notes on all 16 channels). This doesn't happen with the 'normal' 6.1 kernel,
>> nor does it happen with 5.10 preempt.
>> 
>> However the exact same setup on an older Intel Pentium has no problems at all.  
>
>Have you turned off hyperthreading on the Ryzen system (usually called SMT in
>BIOS settings on AMD)? I keep SMT turned off on my Ryzen systems to avoid
>possible scheduling problems. So far no problems with 6.x kernels with dynamic
>preempt enabled.
>
>John
OK. That works thanks. Strange it wasn't needed for kernel 5.10.

-- 
Will J Godfrey {apparently now an 'elderly'}
https://willgodfrey.bandcamp.com/
http://yoshimi.github.io
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.
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