MBP 13 2020 won't recognize USB devices from TB dock after sleeping and connecting to the dock. After unplugging the dock MBP crashes and does SMC reset

Gosh... I don't think this issue is something that is a priority for Apple currently. It seems to be a MBP2020 issue and we have not heard from them acknowledging it. I've also had problem yesterday with me MS Team which could not detect my mic and speakers plugged into the hub (even after i restarted my MBP)...

I also think it's not a priority for apple to fix this, which is sad because this computer wasn't released that long ago. I spent a few hours running tests, writing up detailed steps of what I had done, and captured logs of the crashes. Hopefully I'll hear something useful back soon.

I have the exact same problem when plugging to the 2020 MBP 13 the LG Ultrafine 27" or 24", initially I thought the issue was with the 27" due to the double TB3 link to achieve 5K, but with the 24" in 4K happens even more, I have no external dock, this is consistently crashing, terrible experience.

I have a 2018 MBP 13" that doesn't have this problem at all, it is super reliable in connecting/disconnecting the TB3 with the LG Monitors and external Docks, this issue seems related ONLY to the latest version (2020) of the MBP 13

And then? They will tell you that is is an isolated issue, your hardware might be broken and keep exchanging/repairing it without providing a replacement to work with in the meantime. That is what they offered to me when I asked support.

Device: MBP 13" 2020 10th gen i5

Catalina 10.15.6

Monitor: LG 5k2k 34WK95U-W

Similar issue, but without docking station. When I unplug tb3 cable from monitor (which also charges my mbp), next morning I find mac restarted with the same message: "Intel CrashLog recorded due to unexpected reset"

It's an Apple thunderbolt display, requires an adaptor for the MBP 2020, which is marked thunderbolt on both ends, and fits in the USB C port on the laptop.

(But I have a MBP 2015 as well, with the old style TB port, and the camera also stops working with that laptop. Used to work fine before I upgraded to Mojave.)

I've tried almost everything and there is no solution, it is definitely something with the Thunderbolt 3 interface, I planned to go to the Apple store but they no longer have on display any of the LG Ultrafine displays, 4K or 5K, that means I will have to bring my monitor with me as well to show them the issue, too complicated, I hope Apple is doing something with the Kernel Crash logs I am sending them every time the laptop crashes, 5-10/day, at least, this is a shame.

@logicito: firstly, thanks a lot for your time and investigation!

For the differences - open Terminal and paste in

for i in /System/Library/Extensions/*; do echo -ne "$i - "; find -s $i -type f -exec md5 {} \; | md5; done

10.15.7 checksums from my macOS attached, so we can compare them and hopefully we find some difference

All checksums differs. Every folder is different. Bummer. Seems like it gots different signature every single time or maybe on every macOS installation :/

Gone are the times of Snow Leopard hackintosh, which could inject kexts from different minor version of OS X.

Guess we gotta wait for Apple fix after all.

yeah definitely. This should get more interest, because it lasts too

long and affects everyone with Thunderbolt hardware and 2020 Macbook.

Someone with HN account with few positive points, so it gets interest?

Nancy31 wrote:

These are all brilliant suggestions, but why isn't Apple doing anything? I just posted to twitter: Anybody out there remember “I”m a Mac”/“I’m a PC”? Do you feel like the tables have turned? Random reboots, ‘printer not connected’, wonky USB C ports, … A loyal Mac user for 20+ years (heck my 2ci is still in the garage), I’m very disappointed @Apple. 

Same here. It may be actually my last Apple product. Already switched to Android after being loyal to iPhone many years and 2020 MBP may be as well my last MacBook. Apple got me with its "it just works". However it does not seem to be the case anymore. I saw and played with latest Windows 10 a little bit and it's actually great!

The tendency of Windows goes up - Windows 10 with Linux subsystem is great actually. However macOS goes down in my opinion. I liked older OS X better. It definitely worked better. Same for the MacBook hardware - don't get me started with the keyboard and screen issues of the previous MacBooks!

I agree, it is very disappointing, especially with the premium price we pay, compared to the PC world, what is challenging to me, is that the eco system integration that Apple provides me with the phone, watch, laptop and tablet is non existent with Windows and Android, they have something but it is still on early stages.

I have a 2018 MBP 13" as well, the issue with the keyboard is bad, even though they extended the warranty for the keyboard, they will replace it with the same type, so sooner or later, the replacement will fail again, I had mine already replaced. I would say, good intentions by extending the warranty, poor solution.

hey,

I've the same problem with a 2020 MBP 13" -i5. I use a TB3 LG UltraFine 5K monitor. It crashes and gives the message ""Intel CrashLog recorded due to unexpected reset". It's really annoying, I didn't find a solution...

Please Apple, solve this !!