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macOS unable to open any non-Apple application

(twitter.com)
2603 points mattsolle | 5 comments | 12 Nov 20 21:00 UTC | HN request time: 0.582s | source
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submeta ◴[12 Nov 20 21:15 UTC] No.25075156[source]▶
Unbelievable. When I read the tweet (tried to post here as well), I suddenly realized why my Mac was unresponsive an hour ago.

Here is another tweet that describes the problem in more detail:

https://mobile.twitter.com/llanga/status/1326989724704268289

> I am currently unable to work because macOS sends hashes of every opened executable to some server of theirs and when `trustd` and `syspolicyd` are unable to do so, the entire operating system grinds to a halt.

EDIT:

As others pointed out, I put this to my `/etc/hosts` file and refreshed it like so:

    sudo emacs /etc/hosts # add `0.0.0.0 ocsp.apple.com` 
    sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder # refresh hosts
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1. dylan604 ◴[12 Nov 20 23:34 UTC] No.25076811[source]▶
I keep reading in the tweets how all Macs are unusable. Is this an OS bug that doesn't effect older OSes? I'm on Mojave on my 2017 MBP, and have had zero issues at all.

When was `trustd` introduced?

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2. TMWNN ◴[13 Nov 20 00:50 UTC] No.25077439[source]▶
`/usr/libexec/trustd` exists on Mojave, too. There's a (very unhelpful) manpage.

I think you were just lucky to not open non-Apple applications during the outage.

3. plorkyeran ◴[13 Nov 20 01:22 UTC] No.25077717[source]▶
Checking for notarization on each launch was introduced in catalina. Older versions have trustd, but it was only used for the gatekeeper checks added in 10.8.
4. ericd ◴[13 Nov 20 01:28 UTC] No.25077761[source]▶
I ran into this on trying to load a new video file on VLC, with Mojave, so I guess it's not just apps, but maybe any new file load.
5. jwineinger ◴[13 Nov 20 14:06 UTC] No.25082220[source]▶
My 2018 MPB on Mojave had some serious issues launching apps for a little while yesterday (3PM central) afternoon. It seemed to resolve within an hour though. Not sure how that lines up with the outage described here.