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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
I am running linux-5.14.3 and build VirtualBox from source (in order to get the VNC server).</div>
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I hit known problems building from 6.1.26 source and so tried svn checkout of current revision 91035.</div>
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Build went perfectly including kernel modules.</div>
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I then installed the latest 6.1.26 ExtensionPack.</div>
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However startvm of any VM fails with this</div>
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Oracle VM VirtualBox Headless Interface 6.1.97
<div>(C) 2008-2021 Oracle Corporation</div>
<div>All rights reserved.</div>
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<div>Starting virtual machine: </div>
<div>Operation failed: NS_ERROR_FAILURE</div>
Error: failed to start machine. Error message: Failed to construct device 'usb-ehci' instance #0 (VERR_PDM_DEVHLP_VERSION_MISMATCH)<br>
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Is there any way to get an ExtensionPack corresponding to <span style="background-color:rgb(255, 255, 255);display:inline !important">revision 91035? I don't see that mentioned in the wiki anywhere.</span></div>
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<span style="background-color:rgb(255, 255, 255);display:inline !important"><br>
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<span style="background-color:rgb(255, 255, 255);display:inline !important">Alternatively is there some code change I can make to the <span style="background-color:rgb(255, 255, 255);display:inline !important">revision 91035 build that makes it compatible with
ExtensionPack-6.1.26?</span></span></div>
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<span style="background-color:rgb(255, 255, 255);display:inline !important"><span style="background-color:rgb(255, 255, 255);display:inline !important"><br>
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<span style="background-color:rgb(255, 255, 255);display:inline !important"><span style="background-color:rgb(255, 255, 255);display:inline !important">Or must I lose USB-2?</span></span></div>
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<span style="background-color:rgb(255, 255, 255);display:inline !important"><span style="background-color:rgb(255, 255, 255);display:inline !important"><br>
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<span style="background-color:rgb(255, 255, 255);display:inline !important"><span style="background-color:rgb(255, 255, 255);display:inline !important">Cheers, John Lumby</span></span></div>
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