Comments on log files:

Android x86_64_8.1_r1-2019-04-22-16-03-26.log
Android x86_64_8.1_r1-2019-04-22-16-57-29.log

annotations indicated by:
">>" and "<<"


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Android x86_64_8.1_r1-2019-04-22-16-03-26.log

>>
Start up process stops with... 
<<

00:00:09.547013 OHCI: USB Reset
00:00:09.598621 OHCI: Software reset
00:00:09.598742 OHCI: USB Operational
00:00:09.646953 EHCI: USB Suspended
00:00:09.703159 OHCI: USB Suspended
00:00:09.933540 AIOMgr: Flush failed with VERR_INVALID_PARAMETER, disabling async flushes
00:00:11.181479 Display::i_handleDisplayResize: uScreenId=0 pvVRAM=00007f633c000000 w=1600 h=900 bpp=16 cbLine=0xC80 flags=0x0 origin=0,0

>>
Last line -> log line 1358

Machine would not start up.
Hence powering off from main control panel.
<<





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Android x86_64_8.1_r1-2019-04-22-16-57-29.log

New try...

>>
Start up process stops at line 1358, again.
<<

00:00:09.551051 OHCI: USB Reset
00:00:09.602262 OHCI: Software reset
00:00:09.602352 OHCI: USB Operational
00:00:09.651598 EHCI: USB Suspended
00:00:09.707818 OHCI: USB Suspended
00:00:09.934778 AIOMgr: Flush failed with VERR_INVALID_PARAMETER, disabling async flushes
00:00:11.493363 Display::i_handleDisplayResize: uScreenId=0 pvVRAM=00007fc4f4000000 w=1600 h=900 bpp=16 cbLine=0xC80 flags=0x0 origin=0,0

>>
Switching to virtual machine and generating mouse inputs with left click activity (e.g. 25 clicks). Start up continues after a delay of about 7 sec...
<<

00:00:25.477810 EHCI: USB Operational
00:00:25.494321 EHCI: USB Suspended
00:00:25.494460 OHCI: USB Resume
00:00:25.531910 OHCI: USB Operational
00:00:25.560727 OHCI: USB Suspended

>>
Start up successful.
<<

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