<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Exchange Server">  <style></style> </head> <body> <font face="Calibri" size="2"><span style="font-size:11pt;"> <div>Hi everyone,</div> <div> </div> <div>I pass through a network card to a linux guest using vfio.</div> <div>Then I shut down the guest and boot the guest again but got problem:</div> <div>qemu-system-x86_64: -device vfio-pci,host=0000:04:00.0: vfio error: 0000:04:00.0: failed to open /dev/vfio/11: Device or resource busy</div> <div> </div> <div>I checked the QEMU code and found that the error occured while opening the group.</div> <div>When I booted the guest for the first time the group was added to a container but when the guest shut down the group was not deleted from the container. So I got error while opening the group.</div> <div> </div> <div>Does this work as design or a bug?</div> <div><font face="Times New Roman"> </font></div> <div><font face="Times New Roman"> </font></div> <div><font face="Times New Roman"> </font></div> </span></font> </body> </html>