[vbox-dev] After connecting a USB device guest hangs (v6.0.6 and also under v5.2.26)

Andreas Czerniak cognac at amcs.net
Tue May 14 18:20:06 GMT 2019

Hi all, 

thanks for your great work on VirtualBox. I use since a very very long time with success but actually I have a questions regarding v6.0 and USB. Since 2016 I use a USB smart card reader with my VirtualBox (5.x + extpack) on Linux (actually Ubuntu 19.04) and a Win7Pro in the host. 
After I upgrade the VirtualBox 5.2.x to 6.0.6 the Virtualbox freeze after I connect the USB smart card reader to the box. In the first step, I think about new driver for the reader, and so on withoout success. 

Today I switch back to the 5.2.26 and actually the same problem as under v6.0.6 , attached to find the log. The system of Win7Pro booted normally but after I connect the USB device the "guest is unresponsive". 

Do you know these problems? 

Thanks in advance, 

=== from the log === 
00:08:32.415183 GUI: UISession::sltAdditionsChange: GA state really changed, notifying listeners. 

00:08:32.415221 GUI: UIMachineViewNormal::adjustGuestScreenSize: Adjust guest-screen size if necessary. 

00:08:32.415232 GUI: UISession::sltAdditionsChange: GA state change event came, notifying listeners. 

00:08:32.415240 GUI: UIMachineLogicNormal::sltCheckForRequestedVisualStateType: Requested-state=0, Machine-state=5 

00:08:32.415270 GUI: UISession::sltAdditionsChange: GA state change event came, notifying listeners. 

00:08:32.415279 GUI: UIMachineLogicNormal::sltCheckForRequestedVisualStateType: Requested-state=0, Machine-state=5 

00:10:46.395925 VUSB: Attached '00007fabe0c853a0[proxy 0c4b:0500]' to port 2 on RootHub#1 (FullSpeed) 

00:10:51.393209 OHCI#0: Raising unrecoverable error 

00:10:51.393458 OHCI: Software reset 

00:10:51.393637 OHCI: USB Operational 

00:10:51.396362 OHCI#0: Raising unrecoverable error 

00:10:51.396597 OHCI: Software reset 

00:10:51.396712 OHCI: USB Operational 

00:10:55.256206 OHCI#0: Raising unrecoverable error 

00:10:55.257174 OHCI: Software reset 

00:10:55.257289 OHCI#0: Raising unrecoverable error 

00:10:55.258260 OHCI: USB Operational 

00:10:57.868981 VMMDev: vmmDevHeartbeatFlatlinedTimer: Guest seems to be unresponsive. Last heartbeat received 4 seconds ago 

"Yesterday is history, tomorrow is a mystery, but today is a gift. That's why it is called a 'present'. -- Master Oogway 

Andreas Czerniak < [ mailto:andreas at czerniak.eu | andreas ] @czerniak.eu> 
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