# Sierra window server freezing

**URL:** <https://discuss.binaryage.com/t/sierra-window-server-freezing/5206>\
**Category:** TotalSpaces\
**Created:** [January 7, 2017, 4:32pm UTC](https://discuss.binaryage.com/t/sierra-window-server-freezing/5206 "2017-01-07T16:32:50Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tab](https://discuss.binaryage.com/user_avatar/discuss.binaryage.com/tab/32/1184_2.png) [@tab](https://discuss.binaryage.com/u/tab)\
**Post date:** [January 7, 2017, 4:32pm UTC](https://discuss.binaryage.com/t/sierra-window-server-freezing/5206/1 "2017-01-07T16:32:50Z")

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I’m experiencing the SUNoFeedURL crash reported elsewhere here, but also another issue which may or may not be related: occasionally after triggering a space change, TS will “spaz out” and switch a few spaces on its own, then lock up the entire windowserver, requiring me to force reboot. This happens on a near daily basis, and I’ve only ever seen this behavior on Sierra. Unfortunately I don’t see anything in the system log to indicate the problem, although next time I’ll try to ssh in and get something before restarting.  
In writing this I realized I haven’t actually tried just killing TotalSpaces from a remote shell, so I’ll try that as well.

I’m using Totalspaces 2.4.9 on 10.12.2

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**Author:** ![stephen](https://discuss.binaryage.com/user_avatar/discuss.binaryage.com/stephen/32/2286_2.png) [@stephen](https://discuss.binaryage.com/u/stephen)\
**Post date:** [January 9, 2017, 9:14pm UTC](https://discuss.binaryage.com/t/sierra-window-server-freezing/5206/2 "2017-01-09T21:14:40Z")

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Yikes locking the windows server is bad. If you find something interesting please do let me know.