[Solved] Ubuntu, VBox 6, Problem with save the machine state.

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[Solved] Ubuntu, VBox 6, Problem with save the machine state.

Postby siuks24 » 2. Jul 2019, 13:54

Hi,
I compiled VirtualBox-6.0.8 with disabling-hardening and debugging on Ubuntu 18.04 (kernel: 4.19.50).
Almost everything is fine, but I have a problem because I can't save the state of the working virtual machine. When I want to save the state of the virtual machine instead of Power off , I get a window with the message "Saving the execution state of the virtual machine ...", when the window was closed in the terminal, when VBox has run, I received warning :

Code: Select all   Expand viewCollapse view
 WARNING: failed to send RELEASE event, file /home/username/VirtualBox-6.0.8/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp, line 2338


In GUI I can see that machine state has been saved but I can't run it again because start button is blurred. In log file I found log "assertion failed":

Code: Select all   Expand viewCollapse view
00:01:06.113179
00:01:06.113181 !!Assertion Failed!!
00:01:06.113181 Expression: pDev->hUrbIoThread != NIL_RTTHREAD
00:01:06.113182 Location  : /home/username/VirtualBox-6.0.8/src/VBox/Devices/USB/VUSBDevice.cpp(1635) int vusbDevIoThreadExecV(PVUSBDEV, uint32_t, PFNRT, unsigned int, __va_list_tag*)
00:01:06.113200 Stack     :
00:01:06.113201 00007f8c7bf30c73 VBoxRT.so!RTAssertMsg2V+0x51f (rva:0x262c73)
00:01:06.113201


When I used ldd command for check if VirtualBox see VBoxRT.so and everything is OK.

Does anyone have a similar problem? On which component should I focus, where should I look for problems?
Last edited by socratis on 9. Jul 2019, 19:44, edited 1 time in total.
Reason: Marked as [Solved].
siuks24
 
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Re: Ubuntu, VBox 6, Problem with save the machine state.

Postby siuks24 » 9. Jul 2019, 12:12

Problem was caused by second version of VirtualBox which was installed on my pc, when I remove it and run again "make install" on compiled version everything work fine.
siuks24
 
Posts: 12
Joined: 28. Mar 2019, 18:04

Re: Ubuntu, VBox 6, Problem with save the machine state.

Postby socratis » 9. Jul 2019, 19:44

Thank you for the feedback and the solution, hope someone finds it useful in the future. Marking as [Solved].
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