NSTimer fires later than configured when app in background mode on locked and not charging device
| Originator: | anivaros | ||
| Number: | rdar://37386167 | Date Originated: | 09.02.2018 |
| Status: | Resolved: | ||
| Product: | iOS + SDK | Product Version: | iOS 10.3.3 - 11.3b2 |
| Classification: | Reproducible: | Sometimes |
Area: Foundation Summary: NSTimer fires later than configured when app in background mode on locked and not charging device. Steps to Reproduce: 1) Create app that works in background (sample project in attachment) 2) Run NSTimer with timeout 10 sec on some thread 3) Lock device 4) Unplug from charger 5) Wait (log.txt in attachment) Expected Results: Timer fires after 10 sec Actual Results: Timer fires after 10-500 sec Version/Build: iOS 10.3.3 - 11.3b2 Configuration: iPad Air 2, iPhone X
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