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Old 07-22-2015, 03:32 PM   #22
chaley
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Posts: 12,476
Karma: 8025702
Join Date: Jan 2010
Location: Notts, England
Device: Kobo Libra 2
Quote:
Originally Posted by NSILMike View Post
It has started again... sigh...
I think I have some additional info that may help, that I had reported before as well.
1) When it happens, I open windows task manager, close calibre, and can see that two processes take quite a few seconds to shut down (these are calibre.exe and caliber-parallel.exe)
2) If I wait long enough for both processes to terminate (normally... I do not force them) and restart Calibre, CC can find Calibre about 50% of the time and sync nomally. If it fails, I have to reboot windows 7 and it works 100% of the time after that (it's the first thing I do after reboot.)
If you exit a program with network sockets open then it usually takes a minute for the program to quit. This is caused by the timeout on the sockets.

If calibre thinks a device is connected via WiFi then the socket will be open. No other device can connect, and calibre cannot quit. If in fact no device is really connected then the problem should resolve itself in 60 to 90 seconds. If a device is in fact connected then it will remain in this state for a long time.

What happens if instead of rebooting the computer you restart the device?
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