MB 12 i7/16/512 Beta 20A5374i unusable

[lxmeta]

I moved my MacBook 12 Retina with the i7 16GB RAM and 512GB SSD to Big Sur a few betas ago, as I don't need it for productive work.
Just moved to 20A5374i now.
The MB became unusable right from the beginning. The performance is so bad, that I can't even type anything as the input seems to be discarded. Takes about a minute to open the system preference and look for a new version. (Spinning wheels and freezing)
I can stop pretty much anything running, and it won't change.
System is >50% idle in Activity Monitor.
System load is low double digit %, which is quite high for a system doing nothing.
There is no memory pressure. System log or dmesg shows nothing worrying, apart from the usual Wifi issues (IO80211AWDLPeerManager channel switching all the time)

Any hints what the issue could be, apart from Apple forgetting to put this device on to the no fly list?
My naive assumption is that they would not allow/support a device that does not work at all, right?

 

[lxmeta]

Mostly the same with 20A5384c.
It also appears that hibernate does not work.
Closing the lid will lead to drained battery.
In the past I had pretty good experience with beta versions, not with this.
Hope they don't rush this, otherwise this will end up being the worst release ever.

 

[mikecwest]

Mostly the same with 20A5384c.
It also appears that hibernate does not work.
Closing the lid will lead to drained battery.
In the past I had pretty good experience with beta versions, not with this.
Hope they don't rush this, otherwise this will end up being the worst release ever.

Did you use the feedback app to report the issues you are facing?
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I moved my MacBook 12 Retina with the i7 16GB RAM and 512GB SSD to Big Sur a few betas ago, as I don't need it for productive work.
Just moved to 20A5374i now.
The MB became unusable right from the beginning. The performance is so bad, that I can't even type anything as the input seems to be discarded. Takes about a minute to open the system preference and look for a new version. (Spinning wheels and freezing)
I can stop pretty much anything running, and it won't change.
System is >50% idle in Activity Monitor.
System load is low double digit %, which is quite high for a system doing nothing.
There is no memory pressure. System log or dmesg shows nothing worrying, apart from the usual Wifi issues (IO80211AWDLPeerManager channel switching all the time)

Any hints what the issue could be, apart from Apple forgetting to put this device on to the no fly list?
My naive assumption is that they would not allow/support a device that does not work at all, right?

Did you report the issues in the feedback app??

 

[lxmeta]

Did you use the feedback app to report the issues you are facing?
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Did you report the issues in the feedback app??

Sure! Multiple times. Very easy to reproduce, and I included all logs and data!

 

[IowaLynn]

You just saved me from giving BS a spin!

Spent last week making backups with CCC and making sure I was ready, but apparently my MB 2015 is clearly not.

 

[DimaVR]

I’m on iMac 5 late 2015 I had zero issues since beta 1 funny how many people having issue all over the place. It’s crazy

 

[fisherking]

my 12" macbook is not having any issues. reset the nvram and the smc, perhaps.... or boot into safe mode, see how things go there.

 

[vidalksa]

Clean install of BS 20A5384c on my MacBook (Retina, 12-inch, Early 2016) I5, 8gb.
No issue, all running very smooth.
can also say that battery life seems to be good. No drained when sleeping.

 

[lxmeta]

Clean install of BS 20A5384c on my MacBook (Retina, 12-inch, Early 2016) I5, 8gb.
No issue, all running very smooth.
can also say that battery life seems to be good. No drained when sleeping.

Thats interesting and promising!
I did install it over my previous Catalina keeping all installed apps (Xcode, Office 365 on insider channel, Adobe CC)
I did do the usual thing of NVRAM and SMC and rebooted a few times, let the system do its "optimizing" tasks after install, checked for spotlight issues etc. I checked the console, nothing exciting there. Just the usual sandbox violations, some wifi issues, and some cloudd related issues.
Nothing obvious when profiling the system.
What is apparent: Switching from one app to another sometimes takes forever (no memory pressure though!).

I am on the maxed out 2017 12", so in theory it should be running even better...

 

[chrfr]

Thats interesting and promising!
I did install it over my previous Catalina keeping all installed apps (Xcode, Office 365 on insider channel, Adobe CC)
I did do the usual thing of NVRAM and SMC and rebooted a few times, let the system do its "optimizing" tasks after install, checked for spotlight issues etc. I checked the console, nothing exciting there. Just the usual sandbox violations, some wifi issues, and some cloudd related issues.
Nothing obvious when profiling the system.
What is apparent: Switching from one app to another sometimes takes forever (no memory pressure though!).

I am on the maxed out 2017 12", so in theory it should be running even better...

Are you sure you're looking at "All Processes" in Activity Monitor?

 

[tommiy]

Probably like an iPhone and up need to do a clean install and blow every thing away. Wonder if Macos has start inheriting these wonderful IOS issues?

 

[lxmeta]

Are you sure you're looking at "All Processes" in Activity Monitor?

😂
Yes! Very sure! I am looking at all processes for all users, and I am looking at all GPUs and Cores. At the bottom you see the time spent in System and at User level in %, same for memory pressure, DISK I/O...

 

[lxmeta]

Update with Beta 10 20A5395g.
Works quite nice now. Even the interaction with Sidecar (Wireless!) which always used to be unstable on Catalina, works pretty well now. Performance has improved a lot, and the latest Office update even made Outlook quite stable now.
Maybe the gigabytes of logs I sent did some good