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[solved] unexpected reboot - how to track/debug?

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Oct 18, 2017
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Motherboard
Thinkpad x1 carbon 5th gen
CPU
intel i7-7600U
Graphics
intel HD620 1920*1280
Mac
  1. MacBook
  2. MacBook Pro
Mobile Phone
  1. Android
  2. iOS
almost everything is working perfectly except when i leave the system idle for enough time (say, 30m or more), there is 50% chance it cause a sudden reboot without closing running apps correctly .. and i have no clue how to track/debug it.
Native power management should be ok according to guide, and standby/hibernation turned off.
PR files attached by using the gen_debug tool.
Any hints is welcome. thanks in advance!
 

Attachments

  • debug_9269.zip
    1.8 MB · Views: 101
almost everything is working perfectly except when i leave the system idle for enough time (say, 30m or more), there is 50% chance it cause a sudden reboot without closing running apps correctly .. and i have no clue how to track/debug it.
Native power management should be ok according to guide, and standby/hibernation turned off.
PR files attached by using the gen_debug tool.
Any hints is welcome. thanks in advance!

Remove unnecessary software (such as VirtualBox) or do a fresh install (if you're not able to eliminate such software manually).
 
Remove unnecessary software (such as VirtualBox) or do a fresh install (if you're not able to eliminate such software manually).
Thank you. as always. However, virtualBox is not the root cause - previous clean install w/o virtualbox still has this issue.
Just wondering how to track issue like this...
 
Open up console and go through the logs, look for the logs just before the reboot to see what is going on. Could it be power management? Hardware perhaps?
 
Thank you. as always. However, virtualBox is not the root cause - previous clean install w/o virtualbox still has this issue.
Just wondering how to track issue like this...

After you remove such unneeded software or do a fresh install, reply with new PR files.
 
After you remove such unneeded software or do a fresh install, reply with new PR files.
VirtualBox 100% removed , this issue remains. Since it's a working machine it's hard to have a fresh install, and i have to have necessary applications installed.
PR attached.
Thanks. Any hints?
 

Attachments

  • debug_2703.zip
    1.4 MB · Views: 86
VirtualBox 100% removed , this issue remains. Since it's a working machine it's hard to have a fresh install, and i have to have necessary applications installed.
PR attached.
Thanks. Any hints?

ioreg is missing.
Please read "Problem Reporting" carefully.
 

Attachments

  • debug_7773.zip
    2 MB · Views: 98
Your ioreg proves components of VirtualBox still installed.

After complete remove VirtualBox and observed 5 days, no more unexpected reboot.
Pls mark this thread SOLVED. thanks for your help.
 
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