<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Times New Roman; font-size: 12pt; color: #000000'><div><br></div><div> Hi,</div><div><br></div><div> I think you must mean 5.2.28, not 5.2.26. If it really does not work for you under 5.2.26 then please disregard the following.</div><div><br></div><div> This is a known but not understood problem, and there is a ticket about it: https://www.virtualbox.org/ticket/18593</div><div><br></div><div> It only affects some USB devices, but so far nothing we'd have. Best if you add information about your device to the ticket. The "Raising unrecoverable error" thing is new in 6.0.6 and 5.2.28. Would be good to know what sort of drivers you have in your VM. Actually you wrote "Win7Pro in the host" but you probably meant "Windows 7 Pro as the guest"?</div><div><br></div><div> Regards,</div><div> Michal<br></div><div><br></div><div>----- Original Message -----<br></div>From: cognac@amcs.net<br>To: vbox-dev@virtualbox.org<br>Sent: Tuesday, May 14, 2019 8:20:43 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna<br>Subject: [vbox-dev] After connecting a USB device guest hangs (v6.0.6 and also under v5.2.26)<br><br><div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000"><style> p, li { white-space: pre-wrap; } </style><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">Hi all,<br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">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.<br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">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.<br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">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".<br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">Do you know these problems?<br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">Thanks in advance,<br>Andreas</div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><pre style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;">=== from the log ===<br></pre><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><pre style="-qt-block-indent: 0; text-indent: 0px; margin: 0px;"><!--StartFragment-->00:08:32.415183 GUI: UISession::sltAdditionsChange: GA state really changed, notifying listeners.<br><br>00:08:32.415221 GUI: UIMachineViewNormal::adjustGuestScreenSize: Adjust guest-screen size if necessary.<br><br>00:08:32.415232 GUI: UISession::sltAdditionsChange: GA state change event came, notifying listeners.<br><br>00:08:32.415240 GUI: UIMachineLogicNormal::sltCheckForRequestedVisualStateType: Requested-state=0, Machine-state=5<br><br>00:08:32.415270 GUI: UISession::sltAdditionsChange: GA state change event came, notifying listeners.<br><br>00:08:32.415279 GUI: UIMachineLogicNormal::sltCheckForRequestedVisualStateType: Requested-state=0, Machine-state=5<br><br>00:10:46.395925 VUSB: Attached '00007fabe0c853a0[proxy 0c4b:0500]' to port 2 on RootHub#1 (FullSpeed)<br><br>00:10:51.393209 OHCI#0: Raising unrecoverable error<br><br>00:10:51.393458 OHCI: Software reset<br><br>00:10:51.393637 OHCI: USB Operational<br><br>00:10:51.396362 OHCI#0: Raising unrecoverable error<br><br>00:10:51.396597 OHCI: Software reset<br><br>00:10:51.396712 OHCI: USB Operational<br><br>00:10:55.256206 OHCI#0: Raising unrecoverable error<br><br>00:10:55.257174 OHCI: Software reset<br><br>00:10:55.257289 OHCI#0: Raising unrecoverable error<br><br>00:10:55.258260 OHCI: USB Operational<br><br>00:10:57.868981 VMMDev: vmmDevHeartbeatFlatlinedTimer: Guest seems to be unresponsive. Last heartbeat received 4 seconds ago<!--EndFragment--></pre></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br></div><div style="font-family: tahoma,new york,times,serif; font-size: 10pt; color: #000000;"><br><br><div>-- <br></div><div><div>"Yesterday is history, tomorrow is a mystery, but today is a gift. That's why it is called a 'present'. -- Master Oogway <br></div><hr><div style="font-family: Verdana; font-size: 10pt;">Andreas Czerniak <<a href="mailto:andreas@czerniak.eu" target="_blank" rel="noopener">andreas</a>@czerniak.eu><br><div style="font-size: 8pt;">This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error, please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and deleted this e-mail from your system. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this information is strictly prohibited. <br> <br>Diese E-Mail enthält vertrauliche und/oder rechtlich geschützte Informationen. Wenn Sie nicht der richtige Adressat sind oder diese E-Mail irrtümlich erhalten haben, informieren Sie bitte sofort den Absender und vernichten Sie diese Mail. Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser Mail ist nicht gestattet.</div></div></div></div></div></div></div></div></body></html>