<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"><style>body { line-height: 1.5; }body { font-size: 10.5pt; font-family: 'Microsoft YaHei UI'; color: rgb(0, 0, 0); line-height: 1.5; }</style></head><body> <div><span></span>Hi,</div><div><br></div><div>I have working passthough VIA usb 3.0 host controller to vm.</div><div>but it's failed. </div><div>The result of <i>dmesg:</i></div><div><span style="font-family: "" microsoft="" yahei="" ui'";="" font-size:="" 14px;="" color:="" rgb(0,="" 0,="" 0);="" background-color:="" rgba(0,="" font-weight:="" normal;="" font-style:="" italic;text-decoration:="" none;'=""> </span><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;"> </span><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;">[ 387.759053] vfio-pci: probe of 0000:89:00.0 failed with error -16</span></div><div><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;">the result of <i>lspci</i></span></div><div><span style="font-family: "" microsoft="" yahei="" ui'";="" font-size:="" 14px;="" color:="" rgb(0,="" 0,="" 0);="" background-color:="" rgba(0,="" font-weight:="" normal;="" font-style:="" normal;text-decoration:="" none;'=""><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;"> </span></span><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;"> </span><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;">89:00.0 USB controller [0c03]: VIA Technologies, Inc. VL805 USB 3.0 Host Controller [1106:3483] (rev 01)</span></div><div><span style="font-family: ''; font-size: 10.5pt; line-height: 1.5; background-color: window;"><br></span></div><div>Is it a hardware <span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">problem of VIA VL805 usb 3.0 host controller or software problem of vfio-pci?</span></div> <div><br></div><hr style="width: 210px; height: 1px;" color="#b5c4df" size="1" align="left"> <div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div style="font-family: 'Microsoft YaHei UI', Tahoma; font-size: 14px; line-height: normal;">Best Regards</div><div style="font-family: 'Microsoft YaHei UI', Tahoma; font-size: 14px; line-height: normal;">Qiang Wang</div></div></span></div> </body></html>