Apple Catalina Appears to Introduce Massive Jitter - SOLVED! - Update!

dc at darwincosta.com dc at darwincosta.com
Sun Nov 22 22:29:55 UTC 2020


> On 22 Nov 2020, at 20:43, J. Hellenthal <jhellenthal at dataix.net> wrote:
> 
> You can supposedly still use 4.5 4.6 on Big Sur if you do the following but I have not tested it on Little Snotch, works fine for personal software and others ...
> 
> codesign -dvvv littlesnitch.package name
> Save the team identifier
> Boot into recovery mode
> Open terminal and type the following...
> spctl kext-consent add <team identifier>
> Reboot into normal user mode and install version 4
Thanks for the hint. Will have a look into it.
> 
> 
> 
> -- 
>  J. Hellenthal
> 
> The fact that there's a highway to Hell but only a stairway to Heaven says a lot about anticipated traffic volume.
> 
>>> On Nov 22, 2020, at 11:55, dc at darwincosta.com wrote:
>>> 
>> 
>>>> On 22 Nov 2020, at 10:17, Mark Tinka <mark.tinka at seacom.com> wrote:
>>>> 
>>>  So after installing Little Snitch and basically denying "trustd" any kind of Internet access, I have been seeing reasonably normal jitter with Bluetooth enabled.
>> I actually “saw the same” on Catalina while using little snitch. 
>> 
>> “Saw the same” after installing yesterday Big Sur and suddenly received a notification “this version of little snitch is no longer supported by macOS. It’s looks like I have to pay 25€ for a new compatible version. 
>>> 
>>> It's not that Bluetooth stops scanning, but it's not scanning as aggressively. So after a few minutes, there will be very high jitter when Bluetooth scans the environment, but it would affect only a single packet. It's easily reduced its chattiness by 99%.
>>> 
>>> I don't have any empirical data to support the claim that Little Snitch has anything to do with it (and I am too lazy to dig further into it), but the reduction in jitter is massively noticeable since Little Snitch. Which means I can now run Catalina with Bluetooth enabled and not have any wi-fi problems.
>>> 
>>> Just FYI, for the archives :-).
>>> 
>>> Mark.
>> 
>> Cheers,
>> Darwin-. 
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