Simulator and Canvas 27.3 "identityservicesd quit unexpectedly"

Developer Tools & Services Xcode
roxberry OP
Created
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Anyone working with the 27.3 devices beta in Xcode 27.3 on macOS 27.3?

Canvas and device hub/simulator are throwing this error while open, several on first load, then periodically (not sure of the periodicity).

Any help is appreciated. Not sure if it's impacting at the code or app, but it is interfering with active work (it assumes modal position while working).

sim-identityservicesd-crash.txt(37 KB)

Can reproduce from Device Hub only (all other apps, including XCode closed), screencast here - demos 27.2 for the time it is started no errors, 27.3 as soon as it is started "identityservicesd quit unexpectedly" errors. Looks like stages in the rendering also - noticed dock not displayed, error, then dock displayed, next - home icons not displayed, error, then home icons displayed, etc.

https://app.screencast.com/iK0BaVIVpjt0O

Replies  5
Boosts 4
Views  255
Participants  5
joefromdiggity OP

Same here. I was able to resolve it (until xcode respawns sim) like so:

> xcrun simctl --set previews list devices # Get the booted simulator ID
    iPhone 18 Pro (XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX) (Booted)
> SIM=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
> xcrun simctl --set previews spawn $SIM launchctl disable system/com.apple.identityservicesd
> xcrun simctl --set previews spawn $SIM launchctl disable user/foreground/com.apple.identityservicesd
> xcrun simctl --set previews spawn $SIM launchctl bootout user/foreground/com.apple.identityservicesd

I'm not sure if all 3 are needed. The system/com.apple.identityservicesd line is probably useless but I'm just not sure so leaving it in since it's harmless
LFrank OP

Same here - posted Feedback

Error pops up starting any Simulator (very frequent) and during running it (if it finally starts) every few minutes
kmerenda OP

I am also experiencing this issue with identityservicesd on 27.3 beta 1
roxberry OP

Anyone running into this, here is a short term workaround:

NOTE The device simulators need to be booted - you will suffer the initial round of identityservicesd crashes.

Need to download the gist here as clean_xcode_beta.sh
Then chmod +x

clean_xcode_beta.sh simctl default|previews|both enable|disable
And then run:

./clean_xcode_beta.sh simctl previews disable
./clean_xcode_beta.sh simctl default disable
./clean_xcode_beta.sh simctl both enable

Select stable Xcode instead (same principle, but default works off Xcode-beta):
./clean_xcode_beta.sh Xcode simctl both disable

Noticed Previews and Run targets are different SIM ids, so I added both. Added disable and enable options.

DTS Engineer OP
Apple

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