Involuntary reboot log 10.15
Machine was asleep and lid closed, but on opening the laptop lid, couldn’t see the lock screen. It just stayed black. Closing/reopening lid showed display turning off and on again. Hitting Escape turned the display off. Brightness keys still worked. I tried blindly entering my password but that didn’t work. Eventually gave up and did hard reset.
Statistics so far for this machine
- Failure type: hard reset
 
- OS version: 11.4
 
- Uptime at moment of failure: unknown
 
- Kernel panics: 0
 
- Hard resets: 15
 
- Total failures: 15
 
- Start of recording keeping: 31 October 2017
 
- Total days to date: 1378
 
- Average time between failures: 91.87
 
Summary of events for this machine
- 2017-11-16: jammed keyboard on waking from sleep.
 
- 2017-11-16: spontaneous reboot on waking from sleep.
 
- 2018-07-15: frozen mouse pointer.
 
- 2018-11-03: jammed keyboard on waking from sleep.
 
- 2018-11-16: jammed keyboard on waking from sleep.
 
- 2018-11-18: jammed keyboard on waking from sleep.
 
- 2018-11-24: freeze half-way through passphrase entry on waking from sleep.
 
- 2018-11-24: jammed keyboard on waking from sleep.
 
- 2018-11-27: jammed keyboard on waking from sleep (even with Karabiner-Elements partially disabled).
 
- 2018-11-29: jammed keyboard on waking from sleep (even with Karabiner-Elements totally disabled).
 
- 2018-12-03: jammed keyboard on waking from sleep (because key repeat was not turned off; it seems the hook did not run).
 
- 2019-07-06: total freeze on waking from sleep, post-screen-unlock.
 
- 2020-06-22: unable to unlock or make backlight come on.
 
- 2020-12-03: some keys inoperative at lock screen.
 
- 2021-08-09: stuck at blank lock screen.
 
Historical data (all machines)
- 2017-11-16: jammed keyboard on waking from sleep.
 - 2017-11-16: spontaneous reboot on waking from sleep.
 - 2018-07-15: frozen mouse pointer.
 - 2018-11-03: jammed keyboard on waking from sleep.
 - 2018-11-16: jammed keyboard on waking from sleep.
 - 2018-11-18: jammed keyboard on waking from sleep.
 - 2018-11-24: freeze half-way through passphrase entry on waking from sleep.
 - 2018-11-24: jammed keyboard on waking from sleep.
 - 2018-11-27: jammed keyboard on waking from sleep (even with Karabiner-Elements partially disabled).
 - 2018-11-29: jammed keyboard on waking from sleep (even with Karabiner-Elements totally disabled).
 - 2018-12-03: jammed keyboard on waking from sleep (because key repeat was not turned off; it seems the hook did not run).
 - 2019-07-06: total freeze on waking from sleep, post-screen-unlock.
 - 2020-06-22: unable to unlock or make backlight come on.
 - 2020-12-03: some keys inoperative at lock screen.
 - 2021-08-09: stuck at blank lock screen.
 
Historical data (all machines)
For comparison, previous generations of machines (from most oldest to most recent) that I’ve used have had averages of:
| Active? | Average uptime | Total lifetime | Log | Model | Description | 
|---|---|---|---|---|---|
| ❌ | ~13.83 days | ~540 days | #1 — #39 | PowerMac G5 | personal machine | 
| ❌ | 22.73 days | 1,364 days | #40 — #60 | iMac (17", Early 2006) | personal machine | 
| ❌ | 20.06 days | 321 days | 2.x | iMac (27", Late 2009) | personal machine | 
| ❌ | 19.11 days | 707 days | 3.x | MacBook Air (13", Late 2010) | work machine (Causes) | 
| ❌ | 41.86 days | 293 days | 4.x | MacBook Air (13", Mid-2012) | work machine (Causes) | 
| ❌ | 2.0 days | 2 days | 5.x | MacBook (unsure of model) | work machine (Causes), loaner laptop | 
| ❌ | 27.176 days | 462 days | 6.x | MacBook Air (13", Mid-2013) | work machine (Facebook) | 
| ❌ | 35.0 days | 140 days | 7.x | as above, but with a replacement shell | work machine (Facebook) | 
| ❌ | 40.8 days | 245 days | 8.x | MacBook Pro (Retina, 15-inch, Mid 2015) | work machine (Facebook) | 
| ❌ | 87.0 days | 522 days | 9.x | MacBook Pro (Haswell, Mid-2015, dual graphics) | work machine (Facebook) | 
| ✅ | 91.87 days | 1,378+ days | 10.x | MacBook Pro (Haswell, Mid-2015, dual graphics) | personal machine | 
| ❌ | n/a | 844 days | 11.x | MacBook Pro 15-Inch "Core i7" 2.6 Touch/2018 | work machine (Liferay) | 
| ✅ | 33.0 days | 66+ days | 12.x | MacBook Pro 13-Inch "M1" 8-Core 3.2 (2020) | work machine (GitHub) |